FPUS55 KTFX 200632 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 1232 AM MDT Wed May 20 2026 Spot temperatures and probabilities of measurable precipitation are for .TONIGHT THROUGH TODAY..., Thursday, Thursday night, and Friday. MTZ301-211000- East Glacier Park Region- Including the cities of East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with rain showers, snow showers likely and slight chance of thunderstorms. Snow accumulation up to 2 inches. Snow level 6300 feet. Highs 38 to 48. Lows 27 to 38. Northwest winds up to 15 mph with gusts to around 35 mph. Chance of precipitation 70 percent. .THURSDAY...Not as cool. Partly sunny. Highs 47 to 59. Northwest winds up to 10 mph. .THURSDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 33 to 39. Southwest winds 5 to 10 mph. .FRIDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 51 to 63. West winds 5 to 15 mph. .FRIDAY NIGHT...Partly cloudy. Lows 37 to 43. Southwest winds 5 to 10 mph with gusts to around 25 mph. .SATURDAY THROUGH SUNDAY NIGHT...Breezy. Partly cloudy. Highs 55 to 69. Lows 41 to 48. .MEMORIAL DAY...Breezy. Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 55 to 67. .MONDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then chance of rain and snow after midnight. Lows 38 to 44. Chance of precipitation 50 percent. .TUESDAY...Mostly cloudy with rain and snow likely. Highs 49 to 57. Chance of precipitation 70 percent. .TUESDAY NIGHT...Mostly cloudy. Rain likely in the evening, then chance of rain and snow likely after midnight. Lows 34 to 40. Chance of precipitation 60 percent. .WEDNESDAY...Partly sunny. Chance of rain and snow in the morning, then chance of rain in the afternoon. Highs 51 to 59. Chance of precipitation 50 percent. $$ MTZ307-211000- Southern Rocky Mountain Front- Including the city of Rogers Pass 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with rain showers with possible thunderstorms and snow showers likely. Snow accumulation up to 2 inches. Snow level 6600 feet. Highs 41 to 51. Lows 26 to 36. North winds up to 15 mph with gusts to around 35 mph. Chance of precipitation 90 percent. .THURSDAY...Partly sunny. Highs 45 to 55. North winds up to 10 mph with gusts to around 25 mph. .THURSDAY NIGHT...Partly cloudy. Lows 29 to 35. West winds up to 5 mph. Gusts up to 20 mph in the evening. .FRIDAY...Not as cool. Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs 50 to 62. West winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows 34 to 40. West winds up to 10 mph with gusts to around 25 mph. .SATURDAY THROUGH SUNDAY NIGHT...Partly cloudy. Highs 54 to 71. Lows 38 to 46. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 58 to 70. .MONDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then chance of rain and snow after midnight. Lows 38 to 44. Chance of precipitation 40 percent. .TUESDAY...Partly sunny. Chance of rain and snow in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 50 to 60. Chance of precipitation 70 percent. .TUESDAY NIGHT...Mostly cloudy. Rain likely in the evening, then chance of rain and snow after midnight. Lows 33 to 39. Chance of precipitation 60 percent. .WEDNESDAY...Partly sunny. Chance of rain and snow in the morning, then chance of rain in the afternoon. Highs 50 to 58. Chance of precipitation 50 percent. $$ MTZ302-211000- Northern High Plains- Including the cities of Browning, Heart Butte, and Dupuyer 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with rain showers and slight chance of thunderstorms. Highs around 50. Lows 32 to 39. Northwest winds 5 to 15 mph with gusts to around 35 mph. Chance of precipitation 90 percent. .THURSDAY...Partly sunny. Highs around 60. Northwest winds 5 to 15 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. Southwest winds 5 to 10 mph. .FRIDAY...Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the upper 60s. West winds 5 to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. West winds 5 to 10 mph. .SATURDAY THROUGH MEMORIAL DAY...Partly cloudy. Highs 70 to 76. Lows in the upper 40s. .MONDAY NIGHT AND TUESDAY...Cooler. Mostly cloudy. A 50 percent chance of rain. Lows in the mid 40s. Highs in the lower 60s. .TUESDAY NIGHT...Mostly cloudy. Rain likely in the evening, then chance of rain after midnight. Lows in the lower 40s. Chance of rain 60 percent. .WEDNESDAY...Breezy. Partly sunny with a 50 percent chance of rain. Highs in the lower 60s. $$ MTZ308-211000- Southern High Plains- Including the cities of Bynum, Choteau, and Pendroy 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with rain showers and chance of thunderstorms. Highs in the lower 50s. Lows 34 to 40. Northwest winds up to 15 mph with gusts to around 30 mph. Chance of precipitation 90 percent. .THURSDAY...Partly sunny. Highs around 60. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. West winds up to 10 mph. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the upper 60s. Lows in the lower 40s. West winds up to 10 mph. .SATURDAY THROUGH MEMORIAL DAY...Partly cloudy. Highs in the upper 70s. Lows around 50. .MONDAY NIGHT...Mostly cloudy with a 30 percent chance of rain. Lows in the upper 40s. .TUESDAY...Cooler. Partly sunny. Chance of rain in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 60 percent. .TUESDAY NIGHT...Mostly cloudy. Rain likely in the evening, then chance of rain after midnight. Lows in the mid 40s. Chance of rain 60 percent. .WEDNESDAY...Partly sunny with a 50 percent chance of rain. Highs in the mid 60s. $$ MTZ303-211000- Eastern Glacier, Western Toole, and Central Pondera- Including the cities of Cut Bank, Ethridge, and Santa Rita 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with rain showers likely and slight chance of thunderstorms. Highs in the mid 50s. Lows 33 to 40. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent. .THURSDAY...Partly sunny. Highs in the lower 60s. Northwest winds 5 to 15 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. Northeast winds 5 to 10 mph shifting to the south after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the upper 60s. Lows in the lower 40s. Southwest winds up to 10 mph. .SATURDAY THROUGH SUNDAY...Partly cloudy. Highs in the upper 70s. Lows in the mid 40s. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s. .MEMORIAL DAY...Mostly sunny. Highs in the upper 70s. .MONDAY NIGHT...Mostly cloudy with a 40 percent chance of rain. Lows in the mid 40s. .TUESDAY AND TUESDAY NIGHT...Breezy, cooler. Mostly cloudy. A 50 percent chance of rain. Highs in the upper 60s. Lows in the lower 40s. .WEDNESDAY...Breezy. Partly sunny with a 40 percent chance of rain. Highs in the mid 60s. && TEMPERATURE / PRECIPITATION Cut Bank 35 62 37 69 / 70 10 0 0 $$ MTZ304-211000- Eastern Toole and Liberty- Including the cities of Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs in the mid 50s. Lows 34 to 40. Northwest winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .THURSDAY...Partly sunny. Highs in the lower 60s. Northwest winds 5 to 15 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. North winds up to 10 mph shifting to the south after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs around 70. Lows in the mid 40s. Southwest winds up to 10 mph. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs in the mid 70s. Lows in the upper 40s. .SUNDAY...Sunny. Highs around 80. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy. Lows around 50. Highs 77 to 83. .MONDAY NIGHT...Mostly cloudy with a 40 percent chance of rain. Lows in the upper 40s. .TUESDAY...Mostly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs in the lower 70s. Chance of rain 30 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s. .WEDNESDAY...Partly sunny with a 40 percent chance of rain. Highs in the upper 60s. $$ MTZ305-211000- Hill County- Including the city of Havre 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs in the upper 50s. Lows 34 to 41. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .THURSDAY...Partly sunny. Highs in the lower 60s. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. North winds up to 10 mph shifting to the south after midnight. .FRIDAY...Mostly sunny. Highs in the lower 70s. Southwest winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. Northeast winds 5 to 10 mph shifting to the south after midnight. .SATURDAY...Sunny. Highs in the upper 70s. .SATURDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 40s. .SUNDAY...Sunny. Highs in the lower 80s. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy. Lows around 50. Highs in the mid 80s. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of rain. Lows in the upper 40s. .TUESDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the mid 70s. .TUESDAY NIGHT...Breezy. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows in the mid 40s. Chance of precipitation 50 percent. .WEDNESDAY...Partly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs around 70. Chance of rain 40 percent. && TEMPERATURE / PRECIPITATION Havre 36 65 35 73 / 50 20 0 0 $$ MTZ306-211000- Northern Blaine County- Including the cities of Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 60. Lows 34 to 39. West winds up to 20 mph. Chance of precipitation 50 percent. .THURSDAY...Partly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the lower 60s. Northwest winds 5 to 15 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. Northwest winds up to 10 mph shifting to the east after midnight. .FRIDAY...Sunny. Highs around 70. West winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. Southwest winds 5 to 10 mph shifting to the southeast after midnight. .SATURDAY...Sunny. Highs in the upper 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY...Sunny. Highs in the lower 80s. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy. Lows around 50. Highs in the mid 80s. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the lower 50s. .TUESDAY...Breezy. Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 70s. .TUESDAY NIGHT...Windy. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows in the upper 40s. Chance of precipitation 40 percent. .WEDNESDAY...Breezy. Partly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs in the lower 70s. Chance of rain 40 percent. $$ MTZ309-211000- Eastern Pondera and Eastern Teton- Including the cities of Brady, Conrad, and Ledger 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Cooler. Mostly cloudy with rain showers and slight chance of thunderstorms. Highs in the mid 50s. Lows 32 to 39. Northwest winds 5 to 15 mph. Chance of precipitation 90 percent. .THURSDAY...Partly sunny. Highs in the lower 60s. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. Northeast winds up to 5 mph shifting to the south after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the lower 70s. Lows in the lower 40s. Southwest winds up to 10 mph. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs in the upper 70s. Lows in the upper 40s. .SUNDAY...Sunny. Highs in the lower 80s. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy. Lows in the upper 40s. Highs in the lower 80s. .MONDAY NIGHT...Mostly cloudy with a 40 percent chance of rain. Lows in the mid 40s. .TUESDAY...Cooler. Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 70. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the lower 40s. .WEDNESDAY...Partly sunny with a 40 percent chance of rain. Highs in the upper 60s. $$ MTZ310-211000- Western and Central Chouteau County- Including the cities of Floweree, Carter, and Fort Benton 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with rain showers likely and chance of thunderstorms. Highs in the upper 50s. Lows 35 to 41. West winds up to 15 mph. Chance of precipitation 70 percent. .THURSDAY...Partly sunny. Highs in the lower 60s. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. North winds up to 10 mph shifting to the south after midnight. .FRIDAY...Mostly sunny. Highs in the lower 70s. Southwest winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. South winds up to 10 mph. .SATURDAY...Sunny. Highs in the upper 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY...Sunny. Highs in the lower 80s. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s. .MONDAY NIGHT...Mostly cloudy with a 20 percent chance of rain. Lows around 50. .TUESDAY...Mostly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain after midnight. Lows in the mid 40s. Chance of precipitation 50 percent. .WEDNESDAY...Partly sunny with a 50 percent chance of rain. Highs in the upper 60s. $$ MTZ311-211000- Bears Paw Mountains and Southern Blaine- Including the city of Rocky Boy 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with a 50 percent chance of thunderstorms. Highs 55 to 61. Lows 35 to 42. West winds up to 15 mph. .THURSDAY...Partly sunny. A 20 percent chance of rain showers in the afternoon. Highs 57 to 63. Northwest winds 5 to 15 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. Northwest winds up to 10 mph shifting to the southwest after midnight. .FRIDAY...Warmer, sunny. Highs 66 to 72. West winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. West winds up to 10 mph shifting to the south after midnight. .SATURDAY...Sunny. Highs 72 to 78. .SATURDAY NIGHT...Partly cloudy. Lows around 50. .SUNDAY...Sunny. Highs 77 to 83. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 79 to 85. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the lower 50s. .TUESDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 72 to 78. Chance of precipitation 30 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows in the upper 40s. Chance of precipitation 50 percent. .WEDNESDAY...Partly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 65 to 71. Chance of precipitation 40 percent. $$ MTZ312-211000- Cascade County below 5000ft- Including the city of Great Falls 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with rain showers and chance of thunderstorms. Highs in the mid 50s. Lows 35 to 41. West winds up to 15 mph. Chance of precipitation 90 percent. .THURSDAY...Mostly cloudy. A 20 percent chance of rain showers in the morning. Highs around 60. Northwest winds up to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. Northwest winds up to 10 mph shifting to the south after midnight. .FRIDAY...Mostly sunny. Highs in the upper 60s. Southwest winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. Southwest winds up to 10 mph. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY...Sunny. Highs around 80. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s. .MONDAY NIGHT...Mostly cloudy. Slight chance of thunderstorms in the evening, then chance of rain after midnight. Lows around 50. Chance of precipitation 30 percent. .TUESDAY AND TUESDAY NIGHT...Not as warm. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Highs around 70. Lows in the mid 40s. Chance of precipitation 50 percent. .WEDNESDAY...Partly sunny with a 50 percent chance of rain. Highs in the mid 60s. && TEMPERATURE / PRECIPITATION Great Falls Arpt 37 60 37 70 / 90 20 0 0 $$ MTZ313-211000- Judith Basin County and Judith Gap- Including the cities of Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with rain showers and chance of thunderstorms. Highs in the mid 50s. Lows 34 to 39. Northwest winds 5 to 15 mph. Chance of precipitation 90 percent. .THURSDAY...Partly sunny. Slight chance of rain showers in the morning, then slight chance of thunderstorms in the afternoon. Highs in the mid 50s. Northwest winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 20 percent. .THURSDAY NIGHT...Mostly clear. Lows in the mid 30s. Northwest winds up to 10 mph shifting to the southwest after midnight. .FRIDAY...Sunny. Highs in the mid 60s. Southwest winds up to 10 mph shifting to the northwest in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the lower 40s. Southwest winds up to 10 mph. .SATURDAY...Sunny. Highs in the lower 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY...Sunny. Highs in the upper 70s. .SUNDAY NIGHT...Partly cloudy. Lows around 50. .MEMORIAL DAY AND MONDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms. Highs in the upper 70s. Lows around 50. .TUESDAY AND TUESDAY NIGHT...Cooler. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Highs in the upper 60s. Lows in the mid 40s. Chance of precipitation 50 percent. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of precipitation 50 percent. $$ MTZ314-211000- Fergus County below 4500ft- Including the cities of Hilger and Lewistown 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with chance of thunderstorms and slight chance of rain. Highs 56 to 62. Lows 36 to 41. West winds 5 to 15 mph. Chance of precipitation 50 percent. .THURSDAY...Mostly cloudy. A 20 percent chance of rain showers in the afternoon. Highs 56 to 62. Northwest winds 5 to 15 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. Northwest winds up to 10 mph shifting to the southwest after midnight. .FRIDAY...Warmer, sunny. Highs 65 to 71. Southwest winds up to 5 mph shifting to the northwest in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 40s. West winds up to 5 mph shifting to the south after midnight. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY...Sunny. Highs around 80. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 50s. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the lower 50s. .TUESDAY...Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 72 to 78. Chance of precipitation 40 percent. .TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows in the upper 40s. Highs 64 to 70. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Lewistown 34 55 33 66 / 80 40 0 0 $$ MTZ315-211000- Upper Blackfoot and MacDonald Pass- Including the cities of Marysville, Lincoln, Flesher Pass, and MacDonald Pass 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with rain showers, chance of thunderstorms and snow showers. Snow accumulation up to 1 inch. Highs 47 to 57. Lows 30 to 36. North winds up to 15 mph. Chance of precipitation 90 percent. .THURSDAY...Partly sunny. Highs 47 to 57. North winds up to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. Northwest winds up to 5 mph shifting to the southwest after midnight. .FRIDAY...Warmer. Mostly sunny. Highs 56 to 66. West winds up to 10 mph. .FRIDAY NIGHT...Mostly clear. Lows in the upper 30s. West winds up to 10 mph. .SATURDAY...Sunny. Highs 61 to 71. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SUNDAY...Sunny. Highs 67 to 75. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 67 to 75. .MONDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. A 30 percent chance of rain. Lows in the mid 40s. .TUESDAY...Partly sunny. Chance of rain in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 55 to 63. Chance of precipitation 60 percent. .TUESDAY NIGHT...Mostly cloudy. Rain likely in the evening, then chance of rain after midnight. Lows in the upper 30s. Chance of rain 60 percent. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 52 to 60. Chance of precipitation 40 percent. $$ MTZ316-211000- Gates of the Mountains- Including the cities of Canyon Creek, Wolf Creek, and Craig 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with rain showers and chance of thunderstorms. Highs 51 to 59. Lows 34 to 40. Northwest winds up to 15 mph. Chance of precipitation 90 percent. .THURSDAY...Partly sunny. A 20 percent chance of rain showers in the morning. Highs 53 to 61. North winds up to 10 mph. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. North winds up to 10 mph shifting to the southwest after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 62 to 70. Lows in the lower 40s. Southwest winds up to 10 mph. .SATURDAY...Sunny. Highs 68 to 76. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 40s. .SUNDAY...Sunny. Highs 72 to 80. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows around 50. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 72 to 80. .MONDAY NIGHT...Partly cloudy. Slight chance of rain in the evening, then chance of rain after midnight. Lows in the upper 40s. Chance of rain 30 percent. .TUESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 62 to 68. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy. Rain likely in the evening, then chance of rain after midnight. Lows in the lower 40s. Chance of rain 60 percent. .WEDNESDAY...Partly sunny with a 50 percent chance of rain. Highs 59 to 65. $$ MTZ317-211000- Little Belt and Highwood Mountains- Including the cities of Monarch, Neihart, and Kings Hill Pass 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with rain showers, chance of thunderstorms and snow showers. Snow accumulation up to 2 inches. Highs 45 to 53. Lows 29 to 38. Northwest winds up to 15 mph. Chance of precipitation 90 percent. .THURSDAY...Mostly cloudy. Slight chance of rain showers and snow showers in the morning, then chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 45 to 53. Northwest winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly clear. Lows 29 to 37. Northwest winds up to 10 mph shifting to the southwest after midnight. .FRIDAY...Not as cool. Mostly sunny. Highs 55 to 63. Southwest winds up to 10 mph shifting to the west in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows 35 to 43. West winds up to 10 mph shifting to the south after midnight. .SATURDAY...Warmer, sunny. Highs 62 to 70. .SATURDAY NIGHT...Partly cloudy. Lows 41 to 49. .SUNDAY...Sunny. Highs 67 to 73. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Lows 44 to 52. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 69 to 75. .MONDAY NIGHT...Partly cloudy. Slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows 44 to 50. Chance of precipitation 20 percent. .TUESDAY...Mostly sunny with slight chance of rain in the morning, then mostly cloudy with rain showers likely and slight chance of thunderstorms in the afternoon. Highs 59 to 65. Chance of precipitation 60 percent. .TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows 37 to 43. Highs 54 to 60. Chance of precipitation 50 percent. $$ MTZ318-211000- Snowy and Judith Mountains- 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with rain showers likely, chance of thunderstorms and snow showers. Snow accumulation up to 2 inches. Highs 47 to 55. Lows 31 to 37. Northwest winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 70 percent. .THURSDAY...Mostly cloudy. Slight chance of rain showers and snow in the morning, then chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 46 to 54. Northwest winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly clear. Lows in the lower 30s. Northwest winds 5 to 10 mph with gusts to around 25 mph shifting to the southwest after midnight. .FRIDAY...Not as cool. Sunny. Highs 56 to 64. West winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows around 40. West winds up to 5 mph shifting to the south after midnight. .SATURDAY...Warmer, sunny. Highs 63 to 71. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SUNDAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 68 to 76. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 40s. .MEMORIAL DAY...Mostly sunny. Highs 71 to 79. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the upper 40s. .TUESDAY...Partly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 64 to 70. Chance of precipitation 40 percent. .TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Lows in the lower 40s. Highs 56 to 62. Chance of precipitation 50 percent. $$ MTZ319-211000- Helena Valley- Including the city of Helena 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with rain showers and chance of thunderstorms. Highs in the lower 60s. Lows in the mid 30s. Northwest winds up to 15 mph. Chance of precipitation 90 percent. .THURSDAY...Partly sunny. Highs in the lower 60s. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. North winds up to 5 mph shifting to the south after midnight. .FRIDAY...Mostly sunny. Highs around 70. South winds up to 5 mph shifting to the west in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows around 40. Northwest winds up to 10 mph shifting to the southwest after midnight. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SUNDAY...Sunny. Highs around 80. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s. .MONDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of rain. Lows in the mid 40s. .TUESDAY...Cooler. Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 70. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the lower 40s. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 40 percent. && TEMPERATURE / PRECIPITATION Helena 37 61 37 70 / 90 20 0 0 $$ MTZ320-211000- Big Belt, Bridger and Castle Mountains- Including the cities of Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Rain showers, chance of thunderstorms and snow showers. Snow accumulation up to 2 inches. Highs 46 to 56. Lows 31 to 36. North winds up to 15 mph with gusts to around 30 mph. Chance of precipitation near 100 percent. .THURSDAY...Partly sunny. Slight chance of snow in the morning, then chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 44 to 54. North winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly clear. Lows in the lower 30s. North winds up to 10 mph with gusts to around 25 mph shifting to the south after midnight. .FRIDAY...Not as cool. Mostly sunny. Highs 53 to 63. South winds up to 10 mph shifting to the west in the afternoon. Gusts up to 25 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 30s. West winds up to 10 mph with gusts to around 25 mph shifting to the south after midnight. .SATURDAY...Warmer, sunny. Highs 61 to 71. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the mid 40s. Highs 65 to 75. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 40s. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 67 to 77. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows in the upper 40s. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Highs 59 to 67. Lows around 40. Chance of precipitation 50 percent. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 54 to 62. Chance of precipitation 50 percent. $$ MTZ321-211000- Meagher County Valleys- Including the cities of Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with rain showers, chance of thunderstorms and snow. Little or no snow accumulation. Highs in the mid 50s. Lows in the lower 30s. Northwest winds up to 15 mph. Chance of precipitation 90 percent. .THURSDAY...Partly sunny. Slight chance of rain and snow in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Northwest winds 5 to 15 mph. Chance of precipitation 40 percent. .THURSDAY NIGHT...Mostly clear. Lows in the lower 30s. North winds up to 10 mph with gusts to around 25 mph shifting to the south after midnight. .FRIDAY...Mostly sunny. Highs in the lower 60s. Southwest winds up to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 30s. West winds up to 10 mph shifting to the south after midnight. .SATURDAY...Sunny. Highs around 70. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. Highs in the mid 70s. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 70s. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain after midnight. Lows in the mid 40s. .TUESDAY AND TUESDAY NIGHT...Cooler. Mostly cloudy. Chance of rain showers and slight chance of thunderstorms. Highs in the mid 60s. Lows around 40. Chance of precipitation 50 percent. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of precipitation 50 percent. $$ MTZ322-211000- Elkhorn and Boulder Mountains- Including the cities of Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with rain showers, snow showers and chance of thunderstorms. Snow accumulation up to 2 inches. Snow level 7000 feet. Highs 47 to 57. Lows 29 to 36. North winds up to 10 mph with gusts to around 35 mph. Chance of precipitation 90 percent. .THURSDAY...Partly sunny. A 20 percent chance of snow in the morning. Highs 45 to 55. North winds 5 to 15 mph. Gusts up to 40 mph decreasing to 30 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows 30 to 36. North winds up to 10 mph with gusts to around 25 mph shifting to the southwest after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 54 to 64. Lows 36 to 42. Southwest winds up to 10 mph. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs 61 to 71. Lows 40 to 46. .SUNDAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 66 to 76. .SUNDAY NIGHT...Partly cloudy. Lows 42 to 48. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 67 to 77. .MONDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of rain. Lows 41 to 47. .TUESDAY...Partly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 57 to 65. Chance of precipitation 50 percent. .TUESDAY NIGHT...Colder. Mostly cloudy. Rain likely in the evening, then chance of rain and snow after midnight. Lows 34 to 42. Chance of precipitation 60 percent. .WEDNESDAY...Partly sunny. Chance of rain and snow in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 52 to 60. Chance of precipitation 40 percent. $$ MTZ323-211000- Canyon Ferry Area- Including the cities of Toston, Townsend, and Winston 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with rain showers and chance of thunderstorms. Highs in the upper 50s. Lows 35 to 40. North winds up to 15 mph with gusts to around 35 mph. Chance of precipitation 90 percent. .THURSDAY...Partly sunny. Highs in the upper 50s. North winds 5 to 20 mph. Gusts up to 40 mph decreasing to 30 mph in the afternoon. .THURSDAY NIGHT...Mostly clear. Lows in the upper 30s. North winds up to 10 mph shifting to the south after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the mid 60s. Lows in the lower 40s. South winds up to 10 mph. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 40s. .SUNDAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 70s. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 40s. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs around 80. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows in the upper 40s. .TUESDAY...Cooler. Mostly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain after midnight. Lows in the lower 40s. Chance of precipitation 50 percent. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 40 percent. $$ MTZ324-211000- Missouri Headwaters- Including the cities of Harrison, Three Forks, Willow Creek, Pony, and Whitehall 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Rain showers and chance of thunderstorms. Highs around 60. Lows in the mid 30s. North winds up to 15 mph with gusts to around 30 mph. Chance of precipitation near 100 percent. .THURSDAY...Mostly cloudy with a 50 percent chance of rain in the morning, then mostly sunny in the afternoon. Highs in the upper 50s. North winds 5 to 15 mph. Gusts up to 35 mph in the morning. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. Northeast winds up to 10 mph shifting to the southwest after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the mid 60s. Lows in the lower 40s. Southwest winds up to 10 mph. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 40s. .SUNDAY...Sunny. Highs in the upper 70s. .SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the upper 40s. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 80s. .MONDAY NIGHT...Partly cloudy. Lows in the upper 40s. .TUESDAY...Cooler. Mostly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 70. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the lower 40s. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 50 percent. $$ MTZ325-211000- Madison River Valley- Including the cities of Cameron, Ennis, Jeffers, McAllister, and Norris 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Rain showers with possible snow and thunderstorms likely. Little or no snow accumulation. Highs in the upper 50s. Lows 32 to 37. North winds up to 15 mph with gusts to around 35 mph. Chance of precipitation near 100 percent. .THURSDAY...Breezy. Cloudy with rain and snow likely in the morning, then mostly sunny in the afternoon. Little or no snow accumulation. Highs in the lower 50s. North winds 10 to 25 mph with gusts to around 40 mph. Chance of precipitation 70 percent. .THURSDAY NIGHT...Mostly clear. Lows in the lower 30s. Northeast winds 5 to 10 mph with gusts to around 25 mph shifting to the south after midnight. .FRIDAY...Warmer. Mostly sunny. Highs in the mid 60s. South winds up to 5 mph shifting to the west in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows around 40. Northwest winds up to 10 mph shifting to the south after midnight. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 40s. .SUNDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the upper 70s. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 40s. .MEMORIAL DAY...Windy. Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs around 80. .MONDAY NIGHT...Breezy. Partly cloudy. Lows in the upper 40s. .TUESDAY...Breezy, cooler. Mostly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 40 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the lower 40s. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 60s. Chance of precipitation 50 percent. $$ MTZ326-211000- Gallatin Valley- Including the cities of Bozeman and Gallatin Gateway 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Rain showers with possible thunderstorms and snow. Little or no snow accumulation. Highs around 60. Lows in the mid 30s. Northwest winds up to 10 mph with gusts to around 30 mph. Chance of precipitation near 100 percent. .THURSDAY...Cloudy with chance of rain showers in the morning, then partly sunny with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 50s. North winds up to 10 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly clear. Lows in the lower 30s. North winds up to 10 mph shifting to the southeast after midnight. .FRIDAY...Mostly sunny. Highs in the mid 60s. South winds up to 5 mph shifting to the northwest with gusts to around 20 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the upper 30s. North winds up to 5 mph shifting to the southeast after midnight. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 40s. .SUNDAY...Sunny. Highs in the upper 70s. .SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the upper 40s. .MEMORIAL DAY AND MONDAY NIGHT...Partly cloudy. Highs in the lower 80s. Lows in the upper 40s. .TUESDAY...Cooler. Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the lower 40s. .WEDNESDAY...Partly sunny. Chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION Bozeman Airport 33 56 31 66 / 90 50 0 0 Bozeman MSU 35 54 33 65 / 90 70 0 0 $$ MTZ330-211000- Gallatin and Madison County Mountains and Centennial Mountains- Including the cities of Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Snow showers, rain showers and chance of thunderstorms. Snow accumulation up to 5 inches. Snow level 7400 feet. Highs 45 to 55. Lows 27 to 33. North winds up to 15 mph with gusts to around 35 mph. Chance of precipitation near 100 percent. .THURSDAY...Mostly cloudy. Chance of snow showers in the morning, then chance of snow showers and slight chance of thunderstorms in the afternoon. Highs 39 to 49. North winds 10 to 15 mph with gusts to around 45 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Mostly clear. Lows 25 to 31. North winds 5 to 15 mph with gusts to around 35 mph shifting to the southeast after midnight. .FRIDAY...Not as cool. Mostly sunny. Highs 49 to 61. South winds up to 5 mph shifting to the west in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows 32 to 38. West winds up to 10 mph shifting to the south after midnight. Gusts up to 25 mph. .SATURDAY...Warmer, sunny. Highs 56 to 68. .SATURDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows 37 to 43. .SUNDAY...Warmer. Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 63 to 73. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows 39 to 47. .MEMORIAL DAY...Breezy. Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 65 to 75. .MONDAY NIGHT...Partly cloudy. Lows 40 to 46. .TUESDAY...Breezy. Mostly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 57 to 65. Chance of precipitation 50 percent. .TUESDAY NIGHT...Colder. Mostly cloudy. Chance of rain in the evening, then chance of rain and snow after midnight. Lows 33 to 39. Chance of precipitation 50 percent. .WEDNESDAY...Partly sunny. Chance of rain and snow in the morning, then chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 50 to 58. Chance of precipitation 50 percent. && TEMPERATURE / PRECIPITATION West Yellowstone 27 51 23 62 / 90 40 0 0 $$ MTZ327-211000- Northwest Beaverhead County- Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Mostly cloudy with rain showers, snow showers likely and slight chance of thunderstorms. Snow accumulation up to 1 inch. Snow level 7300 feet. Highs 46 to 56. Lows around 30. North winds up to 15 mph with gusts to around 35 mph. Chance of precipitation 70 percent. .THURSDAY...Mostly sunny. Highs 46 to 56. North winds 5 to 15 mph. Gusts up to 45 mph decreasing to 30 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows around 30. North winds 5 to 10 mph shifting to the east after midnight. Gusts up to 25 mph. .FRIDAY...Not as cool. Mostly sunny. Highs 53 to 63. South winds up to 5 mph shifting to the west in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 30s. Northwest winds up to 10 mph with gusts to around 25 mph shifting to the south after midnight. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs 58 to 70. Lows in the upper 30s. .SUNDAY...Sunny. Highs 64 to 74. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 40s. .MEMORIAL DAY...Breezy. Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 63 to 73. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain after midnight. Lows in the upper 30s. .TUESDAY...Partly sunny. Chance of snow and slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 53 to 61. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain and snow. Lows in the lower 30s. .WEDNESDAY...Partly sunny. Chance of rain and snow in the morning, then chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 49 to 57. Chance of precipitation 40 percent. $$ MTZ328-211000- Beaverhead and Western Madison below 6000ft- Including the cities of Bannack, Dillon, Glen, and Waterloo 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Rain showers with possible snow and thunderstorms. Snow accumulation up to 1 inch. Highs 56 to 62. Lows in the mid 30s. North winds up to 15 mph with gusts to around 35 mph. Chance of precipitation near 100 percent. .THURSDAY...Breezy. Partly sunny. A 50 percent chance of rain and snow in the morning. Highs 53 to 59. North winds 10 to 25 mph with gusts to around 45 mph decreasing to 10 to 15 mph with gusts to around 35 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. Northeast winds 5 to 10 mph with gusts to around 30 mph shifting to the southeast after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 62 to 68. Lows in the upper 30s. South winds up to 10 mph. .SATURDAY...Warmer, sunny. Highs 70 to 76. .SATURDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 40s. .SUNDAY...Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 74 to 80. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the mid 40s. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 75 to 81. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. .TUESDAY...Breezy. Mostly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 64 to 70. Chance of precipitation 50 percent. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows in the upper 30s. .WEDNESDAY...Partly sunny. Chance of rain and snow in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 58 to 64. Chance of precipitation 40 percent. && TEMPERATURE / PRECIPITATION Dillon 33 58 32 66 / 80 30 0 0 $$ MTZ329-211000- Ruby Mountains and Southern Beaverhead Mountains- Including the city of Monida Pass 1232 AM MDT Wed May 20 2026 .REST OF TONIGHT...Rain showers, snow showers and slight chance of thunderstorms. Snow accumulation up to 2 inches. Snow level 7500 feet. Highs 49 to 57. Lows in the lower 30s. North winds up to 15 mph with gusts to around 40 mph. Chance of precipitation near 100 percent. .THURSDAY...Breezy. Mostly cloudy with a 50 percent chance of snow showers in the morning, then mostly sunny in the afternoon. Highs 45 to 53. North winds 10 to 25 mph with gusts to around 50 mph. .THURSDAY NIGHT...Mostly clear. Lows around 30. North winds 10 to 15 mph with gusts to around 35 mph becoming southeast up to 5 mph after midnight. .FRIDAY...Not as cool. Mostly sunny. Highs 54 to 62. South winds up to 5 mph shifting to the west with gusts to around 25 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 30s. Northwest winds 5 to 10 mph with gusts to around 25 mph shifting to the south after midnight. .SATURDAY...Warmer, sunny. Highs 61 to 69. .SATURDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 40s. .SUNDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 66 to 74. .SUNDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the lower 40s. .MEMORIAL DAY...Windy, sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 67 to 75. .MONDAY NIGHT...Breezy. Partly cloudy. Lows in the lower 40s. .TUESDAY...Windy. Mostly sunny. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 58 to 64. Chance of precipitation 40 percent. .TUESDAY NIGHT...Breezy. Mostly cloudy. Chance of rain in the evening, then chance of rain and snow after midnight. Lows in the mid 30s. Chance of precipitation 50 percent. .WEDNESDAY...Partly sunny. Chance of rain and snow in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 52 to 58. Chance of precipitation 40 percent. $$