FPUS55 KTFX 192137 ZFPTFX Zone Forecast Product for Central and Southwest Montana National Weather Service Great Falls MT 336 PM MDT Tue May 19 2026 Spot temperatures and probabilities of measurable precipitation are for tonight, Wednesday, Wednesday night, and Thursday. MTZ301-201000- East Glacier Park Region- Including the cities of East Glacier Park, Kiowa, Babb, Saint Mary, Marias Pass, and Logan Pass 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy. Chance of snow showers early in the evening. Slight chance of rain showers in the evening. Slight chance of rain after midnight. Lows 32 to 38. West winds 10 to 20 mph with gusts to around 35 mph. Chance of precipitation 40 percent. .WEDNESDAY...Rain and snow likely in the morning, then rain showers, snow showers and slight chance of thunderstorms in the afternoon. Snow accumulation up to 2 inches. Snow level 6400 feet. Highs 39 to 49. Northwest winds up to 10 mph. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain and snow in the evening, then partly cloudy after midnight. Lows 28 to 34. North winds up to 10 mph. .THURSDAY...Not as cool. Mostly sunny. Highs 46 to 58. Northwest winds up to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows 33 to 39. Southwest winds up to 10 mph. .FRIDAY...Not as cool. Mostly sunny. A 20 percent chance of rain in the afternoon. Highs 51 to 63. .FRIDAY NIGHT...Partly cloudy. Lows 37 to 43. .SATURDAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 55 to 67. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Breezy. Partly cloudy. Lows 40 to 47. Highs 56 to 68. .MEMORIAL DAY...Breezy. Mostly sunny with a 20 percent chance of rain. Highs 53 to 65. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. A 40 percent chance of rain and snow. Lows 37 to 43. Highs 48 to 58. $$ MTZ307-201000- Southern Rocky Mountain Front- Including the city of Rogers Pass 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. Slight chance of rain showers and snow showers early in the evening, then slight chance of rain showers late in the evening. Lows 30 to 36. West winds 5 to 15 mph with gusts to around 35 mph. Chance of precipitation 20 percent. .WEDNESDAY...Partly sunny with slight chance of rain and snow in the morning, then cloudy with rain showers likely, chance of thunderstorms and snow showers likely in the afternoon. Snow accumulation up to 2 inches. Snow level 7000 feet. Highs 41 to 51. West winds 5 to 10 mph with gusts to around 25 mph. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Mostly cloudy. Rain showers, snow showers likely and slight chance of thunderstorms in the evening, then chance of snow and rain after midnight. Snow accumulation up to 2 inches. Total snow accumulation up to 4 inches. Snow level 6400 feet. Lows 28 to 34. North winds up to 10 mph with gusts to around 25 mph. Chance of precipitation 70 percent. .THURSDAY...Mostly sunny. A 20 percent chance of snow in the morning. Highs 45 to 55. Northwest winds up to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows 30 to 36. West winds up to 10 mph. .FRIDAY...Not as cool. Mostly sunny. A 20 percent chance of rain in the afternoon. Highs 50 to 62. .FRIDAY NIGHT...Partly cloudy. Lows 34 to 40. .SATURDAY...Warmer, sunny. Highs 55 to 67. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 38 to 46. Highs 58 to 70. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs 56 to 68. .MONDAY NIGHT...Partly cloudy with slight chance of rain in the evening, then mostly cloudy with chance of rain and snow after midnight. Lows 36 to 42. Chance of precipitation 30 percent. .TUESDAY...Partly sunny. Chance of snow and slight chance of rain in the morning, then chance of rain in the afternoon. Highs 50 to 60. Chance of precipitation 30 percent. $$ MTZ302-201000- Northern High Plains- Including the cities of Browning, Heart Butte, and Dupuyer 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the upper 30s. West winds 10 to 20 mph with gusts to around 35 mph. .WEDNESDAY...Rain likely in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 50s. Northwest winds 5 to 15 mph. Chance of precipitation near 100 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the mid 30s. Northwest winds 5 to 10 mph. .THURSDAY...Mostly sunny. Highs in the upper 50s. Northwest winds 5 to 15 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. West winds 5 to 10 mph. .FRIDAY...Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the upper 60s. .FRIDAY NIGHT THROUGH MEMORIAL DAY...Breezy. Partly cloudy. Lows 42 to 48. Highs in the lower 70s. .MONDAY NIGHT...Mostly cloudy. Slight chance of rain in the evening, then chance of rain after midnight. Lows in the lower 40s. Chance of rain 40 percent. .TUESDAY...Breezy. Mostly sunny. Chance of rain in the morning, then slight chance of rain in the afternoon. Highs in the lower 60s. Chance of rain 30 percent. $$ MTZ308-201000- Southern High Plains- Including the cities of Bynum, Choteau, and Pendroy 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. A 20 percent chance of rain showers early in the evening. Lows in the upper 30s. West winds 5 to 10 mph with gusts to around 30 mph. .WEDNESDAY...Mostly cloudy. Chance of rain in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs in the mid 50s. Northwest winds up to 10 mph. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then slight chance of rain after midnight. Lows in the mid 30s. Northwest winds up to 10 mph. Chance of rain 50 percent. .THURSDAY...Mostly sunny. Highs around 60. Northwest winds 5 to 10 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. West winds up to 10 mph. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the upper 60s. Lows in the lower 40s. .SATURDAY THROUGH MEMORIAL DAY...Partly cloudy. Highs in the mid 70s. Lows in the upper 40s. .MONDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of rain. Lows in the upper 40s. .TUESDAY...Mostly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs in the upper 60s. Chance of rain 30 percent. $$ MTZ303-201000- Eastern Glacier, Western Toole, and Central Pondera- Including the cities of Cut Bank, Ethridge, and Santa Rita 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy. A 20 percent chance of rain showers early in the evening. Lows in the upper 30s. West winds 5 to 15 mph with gusts to around 30 mph. .WEDNESDAY...Rain likely in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the mid 50s. Northwest winds 10 to 15 mph. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the mid 30s. Northwest winds 5 to 15 mph. .THURSDAY...Mostly sunny. Highs in the lower 60s. Northwest winds 5 to 15 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. North 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. .SATURDAY THROUGH MEMORIAL DAY...Breezy. Partly cloudy. Highs in the mid 70s. Lows in the upper 40s. .MONDAY NIGHT...Breezy. Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of rain. Lows in the mid 40s. .TUESDAY...Breezy. Mostly sunny with a 20 percent chance of rain. Highs in the upper 60s. && TEMPERATURE / PRECIPITATION Cut Bank 38 54 34 62 / 10 80 50 0 $$ MTZ304-201000- Eastern Toole and Liberty- Including the cities of Devon, Shelby, Chester, Galata, Joplin, Lothair, and Whitlash 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the upper 30s. West winds 5 to 10 mph with gusts to around 25 mph. .WEDNESDAY...Chance of rain in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the mid 50s. Northwest winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in the evening, then partly cloudy after midnight. Lows in the mid 30s. Northwest winds 5 to 10 mph with gusts to around 25 mph. .THURSDAY...Mostly sunny. Highs in the lower 60s. Northwest winds 5 to 15 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. North winds up to 10 mph shifting to the south after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 67 to 73. Lows in the lower 40s. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs in the mid 70s. Lows in the upper 40s. .SUNDAY...Sunny. Highs in the upper 70s. .SUNDAY NIGHT AND MEMORIAL DAY...Partly cloudy. Lows in the upper 40s. Highs 75 to 81. .MONDAY NIGHT AND TUESDAY...Partly cloudy. A 20 percent chance of rain. Lows in the mid 40s. Highs in the lower 70s. $$ MTZ305-201000- Hill County- Including the city of Havre 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy. Chance of rain showers early in the evening, then slight chance of rain showers late in the evening. Lows around 40. Southwest winds 5 to 10 mph. Chance of showers 50 percent. .WEDNESDAY...Mostly cloudy. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 60. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 30s. Northwest winds 5 to 15 mph. .THURSDAY...Mostly sunny. Highs in the mid 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 southeast after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the lower 70s. Lows in the lower 40s. .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...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 40s. .TUESDAY...Mostly sunny. Highs in the mid 70s. && TEMPERATURE / PRECIPITATION Havre 39 62 35 65 / 30 60 20 10 $$ MTZ306-201000- Northern Blaine County- Including the cities of Chinook, Zurich, Harlem, Hogeland, and Fort Belknap 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the upper 30s. Southwest winds up to 10 mph. .WEDNESDAY...Mostly cloudy. Slight chance of rain in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 60s. West winds 5 to 15 mph shifting to the northwest 15 to 20 mph in the afternoon. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 30s. Northwest winds 5 to 15 mph. .THURSDAY...Partly sunny. Highs in the lower 60s. Northwest winds 5 to 15 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. North winds up to 10 mph. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs around 70. Lows in the lower 40s. .SATURDAY THROUGH MEMORIAL DAY...Partly cloudy. Highs 77 to 82. Lows in the upper 40s. .MONDAY NIGHT AND TUESDAY...Windy. Partly cloudy. A 20 percent chance of rain. Lows in the upper 40s. Highs in the upper 70s. $$ MTZ309-201000- Eastern Pondera and Eastern Teton- Including the cities of Brady, Conrad, and Ledger 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. A 20 percent chance of rain showers early in the evening. Lows in the upper 30s. West winds 5 to 10 mph. .WEDNESDAY...Mostly cloudy. Chance of rain in the morning, then rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 50s. Northwest winds 5 to 10 mph. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Mostly cloudy. A 50 percent chance of rain in the evening. Lows in the mid 30s. Northwest winds 5 to 10 mph. .THURSDAY...Mostly sunny. Highs in the lower 60s. Northwest winds 5 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 AND FRIDAY NIGHT...Partly cloudy. Highs around 70. Lows in the lower 40s. .SATURDAY THROUGH MEMORIAL DAY...Partly cloudy. Highs in the upper 70s. Lows in the upper 40s. .MONDAY NIGHT AND TUESDAY...Partly cloudy. A 20 percent chance of rain. Lows in the mid 40s. Highs in the lower 70s. $$ MTZ310-201000- Western and Central Chouteau County- Including the cities of Floweree, Carter, and Fort Benton 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. A 20 percent chance of rain showers in the evening. Lows around 40. Southwest winds 5 to 10 mph with gusts to around 25 mph. .WEDNESDAY...Mostly cloudy. Slight chance of rain in the morning, then rain showers likely and slight chance of thunderstorms in the afternoon. Highs in the upper 50s. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Mostly cloudy. Chance of rain in the evening, then slight chance of rain after midnight. Lows in the upper 30s. West winds up to 10 mph. Chance of rain 50 percent. .THURSDAY...Mostly sunny. A 20 percent chance of rain in the morning. Highs in the lower 60s. Northwest winds 5 to 15 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. North winds up to 10 mph shifting to the south after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the lower 70s. Lows in the lower 40s. .SATURDAY THROUGH MEMORIAL DAY...Partly cloudy. Highs in the upper 70s. Lows in the upper 40s. .MONDAY NIGHT AND TUESDAY...Partly cloudy. A 20 percent chance of rain. Lows in the upper 40s. Highs in the mid 70s. $$ MTZ311-201000- Bears Paw Mountains and Southern Blaine- Including the city of Rocky Boy 336 PM MDT Tue May 19 2026 .TONIGHT...Not as cool. Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. Chance of rain showers and slight chance of thunderstorms early in the evening, then slight chance of rain showers late in the evening. Lows in the lower 40s. Southwest winds up to 10 mph. Chance of precipitation 50 percent. .WEDNESDAY...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 56 to 62. West winds 5 to 15 mph. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Mostly cloudy. Lows in the upper 30s. Northwest winds up to 10 mph with gusts to around 25 mph. .THURSDAY...Partly sunny. A 20 percent chance of rain in the afternoon. Highs 58 to 64. 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 AND FRIDAY NIGHT...Partly cloudy. Highs 65 to 71. Lows in the mid 40s. .SATURDAY...Sunny. Highs 72 to 78. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Partly cloudy. Lows in the lower 50s. Highs 76 to 83. .MONDAY NIGHT AND TUESDAY...Partly cloudy. A 20 percent chance of rain. Lows in the lower 50s. Highs 72 to 78. $$ MTZ312-201000- Cascade County below 5000ft- Including the city of Great Falls 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy early in the evening then becoming partly cloudy. A 20 percent chance of rain showers early in the evening. Lows around 40. Southwest winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. Chance of rain in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs in the upper 50s. West winds 5 to 10 mph shifting to the north in the afternoon. Chance of precipitation 90 percent. .WEDNESDAY NIGHT...Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain after midnight. Lows in the upper 30s. Northwest winds up to 10 mph. Chance of precipitation 50 percent. .THURSDAY...Mostly sunny. Chance of rain in the morning, then slight chance of rain in the afternoon. Highs around 60. Northwest winds up to 10 mph. Chance of rain 40 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. West winds up to 10 mph shifting to the south after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the upper 60s. Lows in the mid 40s. .SATURDAY THROUGH SUNDAY NIGHT...Partly cloudy. Highs in the upper 70s. Lows in the lower 50s. .MEMORIAL DAY AND MONDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms. Highs in the upper 70s. Lows in the upper 40s. .TUESDAY...Partly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs in the lower 70s. Chance of rain 30 percent. && TEMPERATURE / PRECIPITATION Great Falls Arpt 39 57 38 61 / 20 90 60 20 $$ MTZ313-201000- Judith Basin County and Judith Gap- Including the cities of Raynesford, Geyser, Stanford, Windham, Benchland, Hobson, and Moccasin 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows in the upper 30s. Southwest winds 5 to 15 mph. .WEDNESDAY...Mostly cloudy. A 50 percent chance of thunderstorms in the afternoon. Highs in the upper 50s. Northwest winds 10 to 15 mph. .WEDNESDAY NIGHT...Cloudy with a 50 percent chance of rain. Lows in the mid 30s. Northwest winds up to 10 mph. .THURSDAY...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 50s. Northwest winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. West 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. .SATURDAY...Sunny. Highs in the lower 70s. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. Highs in the mid 70s. .MEMORIAL DAY AND MONDAY NIGHT...Partly cloudy. A 20 percent chance of thunderstorms. Highs in the upper 70s. Lows in the upper 40s. .TUESDAY...Mostly sunny with a 20 percent chance of rain. Highs around 70. $$ MTZ314-201000-Fergus County below 4500ft- Including the cities of Hilger and Lewistown 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy with slight chance of thunderstorms early in the evening, then mostly cloudy with slight chance of rain showers late in the evening. Partly cloudy after midnight. Lows in the upper 30s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent. .WEDNESDAY...Mostly cloudy. A 50 percent chance of thunderstorms in the afternoon. Highs 58 to 64. West winds 5 to 15 mph. .WEDNESDAY NIGHT...Cloudy with a 50 percent chance of rain. Lows around 40. Northwest winds 5 to 10 mph. .THURSDAY...Mostly cloudy with a 50 percent chance of rain. Highs 56 to 62. Northwest winds 5 to 15 mph. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. Northwest winds 5 to 10 mph shifting to the southwest after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 65 to 71. Lows in the lower 40s. .SATURDAY...Sunny. Highs 72 to 78. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Partly cloudy. Lows around 50. Highs around 80. .MONDAY NIGHT AND TUESDAY...Breezy. Partly cloudy. A 20 percent chance of rain. Lows in the lower 50s. Highs 72 to 78. && TEMPERATURE / PRECIPITATION Lewistown 35 58 35 55 / 20 80 70 40 $$ MTZ315-201000- Upper Blackfoot and MacDonald Pass- Including the cities of Marysville, Lincoln, Flesher Pass, and MacDonald Pass 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy with a 20 percent chance of rain showers early in the evening, then partly cloudy in the late evening and overnight. Lows in the mid 30s. West winds 5 to 10 mph with gusts to around 25 mph. .WEDNESDAY...Partly sunny. A 50 percent chance of thunderstorms in the afternoon. Highs 48 to 58. West winds 5 to 15 mph. .WEDNESDAY NIGHT...Rain showers, slight chance of thunderstorms and snow showers in the evening, then chance of rain and snow after midnight. Snow accumulation up to 1 inch. Lows in the mid 30s. North winds up to 10 mph. Chance of precipitation near 100 percent. .THURSDAY...Partly sunny. A 20 percent chance of rain and snow in the morning. 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 with gusts to around 20 mph shifting to the southwest after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 56 to 66. Lows in the upper 30s. .SATURDAY...Sunny. Highs 62 to 70. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SUNDAY...Sunny. Highs 66 to 74. .SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 65 to 73. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows in the lower 40s. .TUESDAY...Mostly sunny. Slight chance of rain and snow in the morning, then chance of rain in the afternoon. Highs 56 to 64. Chance of precipitation 30 percent. $$ MTZ316-201000- Gates of the Mountains- Including the cities of Canyon Creek, Wolf Creek, and Craig 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy then becoming partly cloudy late in the evening then becoming mostly cloudy. A 20 percent chance of rain showers early in the evening. Lows in the upper 30s. Southwest winds up to 10 mph with gusts to around 25 mph. .WEDNESDAY...Mostly cloudy. Rain showers likely and chance of thunderstorms in the afternoon. Highs 53 to 61. Southwest winds up to 10 mph shifting to the northwest in the afternoon. Gusts up to 25 mph. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Mostly cloudy. Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain and slight chance of snow after midnight. No snow accumulation. Lows in the upper 30s. North winds up to 10 mph with guststo around 25 mph. Chance of precipitation 70 percent. .THURSDAY...Partly sunny. Chance of snow and slight chance of rain in the morning. Highs 53 to 61. North winds up to 10 mph. Chance of precipitation 40 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. Northwest winds up to 10 mph shifting to the southwest after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 62 to 70. Lows in the lower 40s. .SATURDAY...Sunny. Highs 68 to 76. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. Highs 71 to 79. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 71 to 79. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows in the mid 40s. .TUESDAY...Mostly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs 63 to 69. Chance of rain 30 percent. $$ MTZ317-201000- Little Belt and Highwood Mountains- Including the cities of Monarch, Neihart, and Kings Hill Pass 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy with chance of rain showers and snow showers early in the evening, then partly cloudy with slight chance of rain showers late in the evening. Partly cloudy after midnight. Lows 32 to 38. Southwest winds 5 to 10 mph with gusts to around 25 mph. Chance of precipitation 50 percent. .WEDNESDAY...Mostly cloudy. Slight chance of rain in the morning, then chance of thunderstorms and snow showers in the afternoon. Highs 46 to 54. West winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Cloudy. Rain showers likely, slight chance of thunderstorms and snow in the evening, then snow likely and chance of rain after midnight. Snow accumulation up to 2 inches. Snow level 6600 feet. Lows 31 to 37. North winds up to 10 mph with gusts to around 25 mph. Chance of precipitation 70 percent. .THURSDAY...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 45 to 53. Northwest winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. Lows 29 to 37. Northwest winds up to 10 mph with gusts to around 25 mph shifting to the southwest after midnight. .FRIDAY...Not as cool. Mostly sunny. A 20 percent chance of rain in the afternoon. Highs 55 to 63. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows 35 to 43. Highs 61 to 69. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 40 to 51. Highs 65 to 73. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 67 to 73. .MONDAY NIGHT...Partly cloudy. Slight chance of thunderstorms in the evening, then slight chance of rain and snow after midnight. Lows 41 to 49. Chance of precipitation 20 percent. .TUESDAY...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 60 to 66. Chance of precipitation 40 percent. $$ MTZ318-201000- Snowy and Judith Mountains- 336 PM MDT Tue May 19 2026 .TONIGHT...Not as cool. Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows in the mid 30s. Southwest winds up to 10 mph with gusts to around 25 mph. .WEDNESDAY...Mostly cloudy. A 50 percent chance of thunderstorms in the afternoon. Highs 49 to 57. West winds 5 to 15 mph with gusts to around 30 mph. .WEDNESDAY NIGHT...Chance of rain and slight chance of snow in the evening, then rain and snow likely after midnight. Snow accumulation up to 2 inches. Lows in the mid 30s. Northwest winds 5 to 10 mph with gusts to around 25 mph. Chance of precipitation 70 percent. .THURSDAY...Mostly cloudy. Chance of rain and snow in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 46 to 54. Northwest winds 10 to 15 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. Northwest winds 5 to 10 mph shifting to the southwest after midnight. Gusts up to 25 mph. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 55 to 63. Lows around 40. .SATURDAY...Warmer, sunny. Highs 64 to 70. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. Highs 68 to 76. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 70 to 78. .MONDAY NIGHT...Partly cloudy. Slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows in the upper 40s. Chance of precipitation 20 percent. .TUESDAY...Mostly sunny with a 20 percent chance of rain. Highs 64 to 72. $$ MTZ319-201000- Helena Valley- Including the city of Helena 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy until early morning then becoming partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 30s. West winds up to 10 mph shifting to the south after midnight. .WEDNESDAY...Partly sunny. Rain showers likely and chance of thunderstorms in the afternoon. Highs in the lower 60s. Southwest winds up to 5 mph shifting to the northwest 5 to 15 mph in the afternoon. Chance of precipitation 70 percent. .WEDNESDAY NIGHT...Mostly cloudy. Rain showers and slight chance of thunderstorms in the evening, then chance of rain after midnight. Lows in the mid 30s. Northwest winds 5 to 10 mph. Chance of precipitation 90 percent. .THURSDAY...Partly sunny. A 20 percent chance of rain in the morning. Highs in the lower 60s. North winds 5 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 AND FRIDAY NIGHT...Partly cloudy. Highs around 70. Lows around 40. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. Highs in the upper 70s. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs around 80. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows in the mid 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. && TEMPERATURE / PRECIPITATION Helena 38 64 38 61 / 20 60 90 30 $$ MTZ320-201000- Big Belt, Bridger and Castle Mountains- Including the cities of Trident, Maudlow, Battle Ridge Pass, Bozeman Pass, and Deep Creek Pass 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 30s. Southwest winds up to 10 mph with gusts to around 30 mph. .WEDNESDAY...Partly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 47 to 57. West winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Rain, slight chance of thunderstorms and snow showers in the evening, then rain and snow likely after midnight. Snow accumulation up to 3 inches. Lows in the mid 30s. North winds 5 to 10 mph with gusts to around 30 mph. Chance of precipitation near 100 percent. .THURSDAY...Partly sunny. Chance of rain and snow in the morning, then chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 43 to 53. North winds 5 to 15 mph with gusts to around 35 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. Lows 30 to 36. North winds up to 10 mph with gusts to around 25 mph shifting to the south after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 53 to 63. Lows in the upper 30s. .SATURDAY THROUGH SUNDAY NIGHT...Partly cloudy. Highs 62 to 75. Lows in the mid 40s. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 66 to 76. .MONDAY NIGHT...Partly cloudy with a 20 percent chance of rain. Lows in the mid 40s. .TUESDAY...Mostly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs 60 to 68. Chance of rain 40 percent. $$ MTZ321-201000- Meagher County Valleys- Including the cities of Martinsdale, Checkerboard, Ringling, and White Sulphur Springs 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy with a 20 percent chance of rain showers in the evening, then partly cloudy after midnight. Lows in the lower 30s. West winds up to 10 mph with gusts to around 25 mph shifting to the south after midnight. .WEDNESDAY...Partly sunny. A 50 percent chance of thunderstorms in the afternoon. Highs in the mid 50s. West winds 5 to 15 mph. .WEDNESDAY NIGHT...Rain and slight chance of thunderstorms in the evening, then rain and snow likely after midnight. No snow accumulation. Lows in the mid 30s. North winds up to 10 mph. Chance of precipitation near 100 percent. .THURSDAY...Partly sunny. 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. North winds 5 to 15 mph with gusts to around 30 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. North winds up to 10 mph with gusts to around 25 mph shifting to the south after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs in the lower 60s. Lows in the upper 30s. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs in the upper 60s. Lows in the lower 40s. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs in the mid 70s. Lows in the mid 40s. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 70s. .MONDAY NIGHT...Partly cloudy. Slight chance of thunderstorms in the evening, then slight chance of rain after midnight. Lows in the lower 40s. Chance of precipitation 20 percent. .TUESDAY...Partly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs in the upper 60s. Chance of rain 40 percent. $$ MTZ322-201000- Elkhorn and Boulder Mountains- Including the cities of Montana City, Clancy, Boulder, Corbin, Wickes, Elk Park Pass, and Homestake Pass 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy. Slight chance of thunderstorms and snow showers early in the evening, then slight chance of rain showers late in the evening. Lows 30 to 36. West winds up to 10 mph. Chance of precipitation 20 percent. .WEDNESDAY...Partly sunny. Chance of thunderstorms and slight chance of snow showers in the afternoon. Highs 48 to 58. West winds up to 10 mph with gusts to around 25 mph. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Rain, snow and slight chance of thunderstorms in the evening, then snow and rain likely after midnight. Snow accumulation up to 2 inches. Snow level 6900 feet. Lows 31 to 37. North winds 5 to 10 mph. Gusts up to 30 mph increasing to 40 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Partly sunny. A 50 percent chance of snow and rain in the morning. Highs 45 to 55. North winds 5 to 15 mph. Gusts up to 45 mph decreasing to 30 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows 30 to 36. North winds up to 10 mph with gusts to around 25 mph shifting to the southwest after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 55 to 65. Lows 35 to 41. .SATURDAY...Warmer, sunny. Highs 61 to 71. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 40 to 48. Highs 66 to 76. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 65 to 75. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows 39 to 45. .TUESDAY...Mostly sunny. Slight chance of rain and snow in the morning, then chance of rain in the afternoon. Highs 57 to 67. Chance of precipitation 30 percent. $$ MTZ323-201000- Canyon Ferry Area- Including the cities of Toston, Townsend, and Winston 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the upper 30s. Northwest winds up to 10 mph shifting to the south after midnight. .WEDNESDAY...Partly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs around 60. Southwest winds up to 5 mph shifting to the northwest in the afternoon. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Rain and slight chance of thunderstorms in the evening, then rain likely after midnight. Lows in the upper 30s. North winds 5 to 20 mph. Gusts up to 40 mph after midnight. Chance of precipitation 90 percent. .THURSDAY...Breezy. Partly sunny. A 20 percent chance of rain in the morning. Highs in the upper 50s. North winds 15 to 25 mph with gusts to around 40 mph decreasing to 10 to 15 mph with gusts to around 30 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows in the upper 30s. North winds 5 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. .SATURDAY...Sunny. Highs in the lower 70s. .SATURDAY NIGHT THROUGH MEMORIAL DAY...Partly cloudy. Lows in the upper 40s. Highs in the upper 70s. .MONDAY NIGHT AND TUESDAY...Partly cloudy. A 20 percent chance of rain. Lows in the mid 40s. Highs around 70. $$ MTZ324-201000- Missouri Headwaters- Including the cities of Harrison, Three Forks, Willow Creek, Pony, and Whitehall 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 30s. West winds up to 5 mph. Gusts up to 20 mph in the evening. .WEDNESDAY...Partly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the lower 60s. West winds up to 10 mph. .WEDNESDAY NIGHT...Rain and slight chance of thunderstorms in the evening, then rain after midnight. Lows in the upper 30s. North winds 5 to 10 mph. Gusts up to 35 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Mostly cloudy with chance of rain in the morning, then mostly sunny with slight chance of thunderstorms in the afternoon. Highs in the mid 50s. North winds 5 to 20 mph. Gusts up to 40 mph decreasing to 30 mph in the afternoon. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. Northeast winds up to 10 mph shifting to the southwest after midnight. .FRIDAY AND FRIDAY NIGHT...Warmer. Partly cloudy. Highs in the upper 60s. Lows in the lower 40s. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT...Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 40s. .SUNDAY...Sunny. Highs in the upper 70s. .SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. .MEMORIAL DAY...Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs around 80. .MONDAY NIGHT...Partly cloudy. Lows in the mid 40s. .TUESDAY...Mostly sunny. Slight chance of rain in the morning, then chance of rain in the afternoon. Highs in the lower 70s. Chance of rain 30 percent. $$ MTZ325-201000- Madison River Valley- Including the cities of Cameron, Ennis, Jeffers, McAllister, and Norris 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 30s. North winds up to 10 mph shifting to the south after midnight. .WEDNESDAY...Partly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs around 60. South winds up to 10 mph shifting to the northwest in the afternoon. .WEDNESDAY NIGHT...Rain and slight chance of thunderstorms in the evening, then rain and slight chance of snow after midnight. No snow accumulation. Lows in the mid 30s. North winds up to 10 mph with gusts to around 25 mph. Chance of precipitation near 100 percent. .THURSDAY...Breezy. Cloudy with rain and snow in the morning, then partly sunny with slight chance of thunderstorms and snow showers in the afternoon. Highs in the lower 50s. North winds 10 to 25 mph with gusts to around 40 mph. Chance of precipitation 80 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. North winds 5 to 10 mph with gusts to around 25 mph shifting to the south after midnight. .FRIDAY AND FRIDAY NIGHT...Warmer. Partly cloudy. Highs in the mid 60s. Lows around 40. .SATURDAY...Sunny. Highs in the lower 70s. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the upper 40s. Highs in the upper 70s. .MEMORIAL DAY...Windy. Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs around 80. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. 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 30 percent. $$ MTZ326-201000- Gallatin Valley- Including the cities of Bozeman and Gallatin Gateway 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 30s. West winds up to 5 mph shifting to the south after midnight. .WEDNESDAY...Mostly sunny in the morning, then mostly cloudy with a 20 percent chance of thunderstorms in the afternoon. Highs in the lower 60s. Southwest winds up to 5 mph shifting to the northwest in the afternoon. .WEDNESDAY NIGHT...Rain and slight chance of thunderstorms in the evening, then rain and slight chance of snow after midnight. No snow accumulation. Lows in the upper 30s. Northwest winds up to 10 mph. Gusts up to 30 mph after midnight. Chance of precipitation near 100 percent. .THURSDAY...Cloudy with rain and slight chance of snow 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. Gusts up to 35 mph decreasing to 25 mph in the afternoon. Chance of precipitation 90 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. North winds up to 5 mph shifting to the southeast after midnight. .FRIDAY AND FRIDAY NIGHT...Warmer. Partly cloudy. Highs in the mid 60s. Lows in the upper 30s. .SATURDAY...Sunny. Highs in the mid 70s. .SATURDAY NIGHT...Partly cloudy. Lows in the mid 40s. .SUNDAY...Sunny. Highs in the upper 70s. .SUNDAY NIGHT...Partly cloudy. 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. A 20 percent chance of rain in the evening. Lows in the mid 40s. .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 lower 70s. Chance of precipitation 30 percent. && TEMPERATURE / PRECIPITATION Bozeman Airport 33 62 35 55 / 20 20 100 70 Bozeman MSU 36 61 36 53 / 20 30 90 80 $$ MTZ330-201000- Gallatin and Madison County Mountains and Centennial Mountains-Including the cities of Big Sky, West Yellowstone, Targhee Pass, and Raynolds Pass 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy. Slight chance of rain showers and snow showers early in the evening, then slight chance of snow showers late in the evening. Lows 27 to 33. Southwest winds up to 10 mph. Gusts up to 25 mph in the evening. Chance of precipitation 20 percent. .WEDNESDAY...Partly sunny. Chance of rain showers, snow showers and slight chance of thunderstorms in the afternoon. Highs 44 to 56. West winds up to 15 mph. Chance of precipitation 50 percent. .WEDNESDAY NIGHT...Rain, snow and slight chance of thunderstorms in the evening, then snow and rain after midnight. Snow accumulation up to 4 inches. Snow level 7700 feet. Lows 29 to 35. North winds up to 10 mph with gusts to around 25 mph. Chance of precipitation near 100 percent. .THURSDAY...Cloudy with snow and slight chance of rain in the morning, then partly sunny with chance of snow showers, rain showers and slight chance of thunderstorms in the afternoon. Light snow accumulations. Snow level 6800 feet. Highs 39 to 49. North winds 10 to 15 mph with gusts to around 45 mph. Chance of precipitation 90 percent. .THURSDAY NIGHT...Partly cloudy. Lows 26 to 32. North winds 5 to 15 mph with gusts to around 35 mph shifting to the south up to 5 mph with gusts to around 20 mph after midnight. .FRIDAY AND FRIDAY NIGHT...Warmer. Partly cloudy. Highs 49 to 61. Lows 32 to 38. .SATURDAY...Warmer, sunny. Highs 58 to 68. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows 37 to 47. Highs 63 to 73. .MEMORIAL DAY...Breezy. Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 63 to 75. .MONDAY NIGHT...Partly cloudy. Lows 39 to 45. .TUESDAY...Mostly sunny. Slight chance of rain and snow in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 56 to 66. Chance of precipitation 40 percent. && TEMPERATURE / PRECIPITATION West Yellowstone 26 57 30 51 / 10 30 90 60 $$ MTZ327-201000- Northwest Beaverhead County- Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass, and Chief Joseph Pass 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. A 20 percent chance of rain showers and snow showers in the evening. Lows around 30. West winds up to 10 mph with gusts to around 25 mph. .WEDNESDAY...Partly sunny. Highs 46 to 56. West winds up to 5 mph increasing to 5 to 15 mph in the afternoon. .WEDNESDAY NIGHT...Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms in the evening, then snow with rain likely after midnight. Snow accumulation up to 1 inch. Snow level 7500 feet. Lows in the lower 30s. Northwest winds up to 15 mph with gusts to around 30 mph. Chance of precipitation 90 percent. .THURSDAY...Partly sunny. A 50 percent chance of snow in the morning. Highs 45 to 55. North winds 5 to 15 mph. Gusts up to 45 mph decreasing to 30 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. North winds 5 to 10 mph with gusts to around 30 mph shifting to the southeast with gusts to around 20 mph after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 53 to 63. Lows in the mid 30s. .SATURDAY...Warmer, sunny. Highs 59 to 69. .SATURDAY NIGHT...Partly cloudy. Lows in the upper 30s. .SUNDAY...Sunny. Highs 63 to 73. .SUNDAY NIGHT...Partly cloudy. Lows in the lower 40s. .MEMORIAL DAY...Breezy. Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 62 to 72. .MONDAY NIGHT...Partly cloudy. A 20 percent chance of rain in the evening. Lows 35 to 41. .TUESDAY...Mostly sunny. Slight chance of rain and snow in the morning, then chance of rain and snow in the afternoon. Highs 53 to 63. Chance of precipitation 40 percent. $$ MTZ328-201000- Beaverhead and Western Madison below 6000ft- Including the cities of Bannack, Dillon, Glen, and Waterloo 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 30s. North winds up to 10 mph shifting to the southwest after midnight. .WEDNESDAY...Mostly sunny in the morning then becoming mostly cloudy. Highs 57 to 63. Southwest winds up to 5 mph shifting to the west 5 to 15 mph in the afternoon. .WEDNESDAY NIGHT...Chance of rain showers and slight chance of thunderstorms in the evening, then rain and snow after midnight. Snow accumulation up to 1 inch. Lows in the mid 30s. North winds 5 to 15 mph. Gusts up to 35 mph after midnight. Chance of precipitation 90 percent. .THURSDAY...Breezy. Mostly cloudy with a 50 percent chance of rain and snow in the morning, then mostly sunny in the afternoon. Highs 52 to 58. North winds 10 to 25 mph with gusts to around 50 mph decreasing to 10 to 15 mph with gusts to around 35 mph in the afternoon. .THURSDAY NIGHT...Partly cloudy. Lows in the mid 30s. Northeast winds 5 to 10 mph with gusts to around 30 mph shifting to the south after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 62 to 68. Lows in the upper 30s. .SATURDAY...Sunny. Highs 69 to 75. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the mid 40s. Highs 74 to 80. .MEMORIAL DAY...Breezy. Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 74 to 80. .MONDAY NIGHT AND TUESDAY...Partly cloudy. A 20 percent chance of rain. Lows in the mid 40s. Highs 66 to 72. && TEMPERATURE / PRECIPITATION Dillon 34 62 35 57 / 20 10 90 40 $$ MTZ329-201000- Ruby Mountains and Southern Beaverhead Mountains- Including the city of Monida Pass 336 PM MDT Tue May 19 2026 .TONIGHT...Mostly cloudy until early morning then becoming partly cloudy. A 20 percent chance of rain showers and snow showers in the evening. Lows in the lower 30s. Southwest winds up to 10 mph. Gusts up to 25 mph in the evening. .WEDNESDAY...Mostly sunny in the morning then becoming mostly cloudy. Highs 49 to 57. West winds up to 5 mph with gusts to around 20 mph increasing to 10 to 15 mph with gusts to around 30 mph in the afternoon. .WEDNESDAY NIGHT...Rain likely, slight chance of thunderstorms and snow in the evening, then snow and rain after midnight. Snow accumulation up to 2 inches. Snow level 7900 feet. Lows in the lower 30s. Northwest winds 5 to 15 mph. Gusts up to 30 mph increasing to 40 mph after midnight. Chance of precipitation 90 percent. .THURSDAY...Breezy. Mostly cloudy. Chance of snow and slight chance of rain in the morning. Highs 44 to 52. North winds 15 to 25 mph with gusts to around 50 mph. Chance of precipitation 50 percent. .THURSDAY NIGHT...Partly cloudy. Lows in the lower 30s. North winds 10 to 15 mph with gusts to around 35 mph becoming southeast up to 5 mph after midnight. .FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 54 to 62. Lows in the mid 30s. .SATURDAY...Sunny. Highs 62 to 68. .SATURDAY NIGHT THROUGH SUNDAY NIGHT...Partly cloudy. Lows in the lower 40s. Highs 65 to 73. .MEMORIAL DAY...Windy. Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs 66 to 74. .MONDAY NIGHT...Windy. Partly cloudy. Lows in the lower 40s. .TUESDAY...Breezy. Mostly sunny. Slight chance of rain and snow in the morning, then slight chance of rain in the afternoon. Highs 59 to 65. Chance of precipitation 20 percent. $$