FPUS55 KBOI 230637 ZFPBOI Zone Forecasts for Southwest Idaho/Southeast Oregon National Weather Service Boise ID 1236 AM MDT Sun Aug 23 2026 Spot temperatures are for today, tonight, and Monday. IDZ011-231400- West Central Mountains- 1236 AM MDT Sun Aug 23 2026 .TODAY...Areas of fog this morning. Sunny. Highs 71 to 85. .TONIGHT...Mostly clear. Lows 44 to 56. .MONDAY...Mostly sunny. Highs 77 to 90. .MONDAY NIGHT...Partly cloudy. Lows 50 to 61. .TUESDAY...Sunny. Highs 78 to 91. .TUESDAY NIGHT...Mostly cloudy. Lows 52 to 62. .WEDNESDAY THROUGH THURSDAY NIGHT...Partly cloudy. Highs 75 to 90. Lows 49 to 60. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs 72 to 86. Lows 47 to 57. && TEMPERATURE McCall 79 44 84 $$ = IDZ013-231400- Boise Mountains- 1236 AM MDT Sun Aug 23 2026 .TODAY...Areas of fog this morning. Sunny. Highs 74 to 89. .TONIGHT...Increasing clouds. Patchy smoke in the evening. Lows 42 to 57. .MONDAY...Mostly sunny. Highs 79 to 94. .MONDAY NIGHT...Partly cloudy. A slight chance of rain showers and thunderstorms in the evening. Chance of rain 20 percent. Lows 45 to 60. .TUESDAY...Sunny. Highs 80 to 95. .TUESDAY NIGHT...Decreasing clouds. Lows 47 to 62. .WEDNESDAY THROUGH FRIDAY...Partly cloudy. Highs 78 to 93. Lows 45 to 60. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 43 to 58. Highs 75 to 89. && TEMPERATURE Idaho City 87 46 92 $$ = IDZ028-231400- Camas Prairie- 1236 AM MDT Sun Aug 23 2026 .TODAY...Areas of fog this morning. Sunny. Highs 82 to 87. Breezy. Northwest winds up to 10 mph this morning, increasing to west 10 to 20 mph with gusts to 30 mph this afternoon. .TONIGHT...Mostly clear. Patchy smoke after midnight. Lows 46 to 52. Breezy. Northwest winds 10 to 20 mph. Gusts to 30 mph in the evening. .MONDAY...Partly sunny. Highs 85 to 90. Northeast winds around 10 mph in the morning, shifting to south in the afternoon. .MONDAY NIGHT...Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Chance of rain 20 percent. Lows 49 to 54. Southeast winds 10 to 15 mph in the evening, becoming light after midnight. .TUESDAY...Sunny. Highs 86 to 91. Northeast winds around 10 mph in the morning, shifting to south in the afternoon. Gusts to 20 mph. .TUESDAY NIGHT...Decreasing clouds. Lows 51 to 56. .WEDNESDAY THROUGH SATURDAY...Partly cloudy. Highs 81 to 91. Lows 46 to 56. && TEMPERATURE Fairfield 85 46 87 $$ = IDZ033-231400- Upper Weiser River- 1236 AM MDT Sun Aug 23 2026 .TODAY...Sunny. Highs 84 to 90. West winds 10 to 15 mph. .TONIGHT...Increasing clouds. Lows 54 to 61. North winds 10 to 15 mph with gusts to 25 mph. .MONDAY...Mostly sunny. Highs 88 to 94. Northeast winds 10 to 15 mph in the morning, shifting to southwest in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 60 to 66. South winds around 10 mph in the evening, shifting to northeast after midnight. .TUESDAY...Sunny. Highs 90 to 96. Northeast winds up to 10 mph in the morning, shifting to southwest around 10 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy. Lows 62 to 67. .WEDNESDAY THROUGH THURSDAY NIGHT...Partly cloudy. Highs 86 to 95. Lows 57 to 66. .FRIDAY...Sunny. Highs 85 to 91. .FRIDAY NIGHT...Increasing clouds. Lows 57 to 63. .SATURDAY...Sunny. Highs 84 to 90. && TEMPERATURE Council 89 59 94 Cambridge 90 54 94 $$ = ORZ064-231400- Oregon Lower Treasure Valley- 1236 AM MDT Sun Aug 23 2026 /1136 PM PDT Sat Aug 22 2026/ .TODAY...Sunny. Highs 89 to 94. West winds 10 to 15 mph with gusts to 25 mph. .TONIGHT...Partly cloudy. Lows 57 to 64. Northwest winds 10 to 15 mph with gusts to 25 mph. .MONDAY...Partly sunny. Highs 90 to 95. Northwest winds around 10 mph in the morning, becoming light in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 60 to 67. East winds around 10 mph in the evening, shifting to northwest up to 10 mph after midnight. .TUESDAY...Sunny. Highs 93 to 98. Light winds in the morning, becoming southeast up to 10 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy. Lows 63 to 69. .WEDNESDAY THROUGH THURSDAY NIGHT...Partly cloudy. Highs 91 to 98. Lows 58 to 67. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs 89 to 95. Lows 58 to 64. && TEMPERATURE Ontario 91 57 92 $$ = IDZ012-231400- Lower Treasure Valley- 1236 AM MDT Sun Aug 23 2026 .TODAY...Sunny. Highs 88 to 93. Northwest winds 10 to 15 mph. .TONIGHT...Partly cloudy. Lows 56 to 61. Northwest winds 10 to 15 mph. .MONDAY...Mostly sunny. Highs 90 to 95. Northwest winds up to 10 mph. .MONDAY NIGHT...Partly cloudy. Lows 59 to 64. East winds around 10 mph. .TUESDAY...Sunny. Highs 93 to 98. Southeast winds up to 10 mph. .TUESDAY NIGHT...Mostly cloudy. Lows 62 to 67. .WEDNESDAY THROUGH THURSDAY NIGHT...Partly cloudy. Highs 89 to 97. Lows 57 to 65. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs 87 to 93. Lows 57 to 62. && TEMPERATURE Caldwell 91 56 93 $$ = IDZ014-231400- Upper Treasure Valley- 1236 AM MDT Sun Aug 23 2026 .TODAY...Sunny. Highs 88 to 93. Northwest winds 10 to 15 mph with gusts to 25 mph. .TONIGHT...Increasing clouds. Lows 56 to 61. Northwest winds 10 to 15 mph. Gusts to 25 mph in the evening. .MONDAY...Partly sunny. Highs 91 to 96. Southeast winds around 10 mph with gusts to 20 mph. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Chance of rain 20 percent. Lows 58 to 65. Southeast winds 10 to 15 mph. .TUESDAY...Sunny. Highs 93 to 98. Southeast winds around 10 mph with gusts to 20 mph. .TUESDAY NIGHT...Decreasing clouds. Lows 60 to 67. .WEDNESDAY THROUGH FRIDAY...Partly cloudy. Highs 89 to 99. Lows 57 to 65. .FRIDAY NIGHT...Decreasing clouds. Lows 56 to 62. .SATURDAY...Mostly sunny. Highs 87 to 92. && TEMPERATURE Boise 89 61 93 Mountain Home 92 57 95 $$ = IDZ016-231400- Western Magic Valley- 1236 AM MDT Sun Aug 23 2026 .TODAY...Sunny. Highs 86 to 91. West winds 10 to 15 mph with gusts to 25 mph. .TONIGHT...Partly cloudy. Lows 57 to 62. West winds 10 to 15 mph in the evening, shifting to south after midnight. .MONDAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Thunderstorms may produce gusty winds in the afternoon. Chance of rain 30 percent. Highs 87 to 92. East winds around 10 mph with gusts to 20 mph. .MONDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Chance of rain 30 percent. Lows 57 to 62. Southeast winds 10 to 15 mph. .TUESDAY...Sunny. Highs 89 to 94. East winds around 10 mph. .TUESDAY NIGHT...Decreasing clouds. Lows 59 to 64. .WEDNESDAY THROUGH SATURDAY...Partly cloudy. Highs 84 to 94. Lows 56 to 64. && TEMPERATURE Jerome 86 59 88 Twin Falls 87 61 88 $$ = IDZ029-231400- Owyhee Mountains- 1236 AM MDT Sun Aug 23 2026 .TODAY...Sunny. Highs 81 to 87. .TONIGHT...Partly cloudy. Lows 54 to 62. .MONDAY...Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Thunderstorms may produce gusty winds in the afternoon. Chance of rain 20 percent. Highs 83 to 91. .MONDAY NIGHT...Partly cloudy. Lows 56 to 64. .TUESDAY...Sunny. Highs 86 to 92. .TUESDAY NIGHT...Decreasing clouds. Lows 58 to 67. .WEDNESDAY THROUGH FRIDAY...Partly cloudy. Highs 82 to 92. Lows 55 to 65. .FRIDAY NIGHT...Mostly clear. Lows 54 to 62. .SATURDAY...Mostly sunny. Highs 80 to 87. $$ = IDZ015-231400- Southwest Highlands- 1236 AM MDT Sun Aug 23 2026 .TODAY...Sunny. Highs 85 to 90. .TONIGHT...Increasing clouds. Lows 56 to 61. .MONDAY...Mostly cloudy in the morning, then partly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Thunderstorms may produce gusty winds in the afternoon. Chance of rain 30 percent. Highs 86 to 91. .MONDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Chance of rain 30 percent. Lows 55 to 60. Breezy. .TUESDAY...Mostly sunny. Highs 87 to 93. .TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Lows 57 to 62. Highs 88 to 94. .WEDNESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows 54 to 63. Highs 85 to 92. Breezy. .FRIDAY NIGHT...Mostly clear. Lows 54 to 60. Breezy. .SATURDAY...Mostly sunny. Highs 84 to 89. $$ = IDZ030-231400- Southern Twin Falls County- 1236 AM MDT Sun Aug 23 2026 .TODAY...Partly cloudy. A chance of showers with a slight chance of thunderstorms this afternoon. Thunderstorms may produce gusty winds this afternoon. Chance of rain 30 percent. Highs 84 to 89. .TONIGHT...Increasing clouds. Lows 58 to 63. .MONDAY...Showers likely with a slight chance of thunderstorms in the afternoon. Thunderstorms may produce gusty winds in the afternoon. Chance of rain 60 percent. Highs 85 to 90. .MONDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Chance of rain 30 percent. Lows 57 to 62. .TUESDAY...Sunny. Highs 87 to 92. .TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Lows 59 to 64. Highs 88 to 93. .WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...Partly cloudy. Lows 58 to 65. Highs 87 to 92. .FRIDAY...Partly cloudy. A slight chance of showers in the afternoon. Chance of rain 20 percent. Highs 85 to 90. .FRIDAY NIGHT...Partly cloudy. Lows 57 to 62. .SATURDAY...Partly cloudy. A slight chance of showers in the afternoon. Chance of rain 20 percent. Highs 83 to 88. $$ = ORZ062-231400- Baker County- 1136 PM PDT Sat Aug 22 2026 .TODAY...Areas of fog this morning. Sunny. Highs 81 to 90. Northwest winds 10 to 15 mph. .TONIGHT...Mostly clear. Lows 41 to 56. Northwest winds 10 to 15 mph with gusts to 25 mph. .MONDAY...Partly sunny. Highs 86 to 94. North winds up to 10 mph in the morning, shifting to southeast in the afternoon. .MONDAY NIGHT...Partly cloudy. Lows 48 to 62. Southeast winds 10 to 15 mph in the evening, shifting to north after midnight. .TUESDAY...Sunny. Highs 88 to 96. Northeast winds up to 10 mph in the morning, shifting to south with gusts to 25 mph in the afternoon. .TUESDAY NIGHT...Decreasing clouds. Lows 51 to 64. .WEDNESDAY THROUGH THURSDAY NIGHT...Partly cloudy. Highs 85 to 95. Lows 42 to 57. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs 81 to 91. Lows 42 to 57. && TEMPERATURE Baker City 84 41 90 $$ = ORZ061-231400- Harney County- 1136 PM PDT Sat Aug 22 2026 .TODAY...Sunny. Highs 77 to 87. West winds up to 10 mph with gusts to 20 mph. .TONIGHT...Partly cloudy. Lows 44 to 55. North winds 10 to 15 mph. .MONDAY...Decreasing clouds. Highs 81 to 91. Northeast winds around 10 mph in the morning, shifting to south with gusts to 25 mph in the afternoon. .MONDAY NIGHT...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Chance of rain 30 percent. Lows 47 to 57. South winds 10 to 15 mph. Gusts to 25 mph in the evening. .TUESDAY...Mostly sunny. Highs 82 to 92. Light winds in the morning, becoming south 10 to 15 mph with gusts to 30 mph in the afternoon. .TUESDAY NIGHT...Decreasing clouds. Lows 49 to 59. .WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 81 to 91. Lows 46 to 57. .THURSDAY NIGHT THROUGH SATURDAY...Mostly clear. Lows 44 to 55. Highs 79 to 89. && TEMPERATURE Burns 85 44 90 $$ = ORZ063-231400- Malheur County- 1236 AM MDT Sun Aug 23 2026 /1136 PM PDT Sat Aug 22 2026/ .TODAY...Sunny. Highs 85 to 91. West winds 10 to 15 mph. .TONIGHT...Partly cloudy. Lows 51 to 61. North winds 10 to 15 mph with gusts to 25 mph. .MONDAY...Partly sunny. Highs 88 to 94. Northeast winds 10 to 15 mph. .MONDAY NIGHT...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Chance of rain 20 percent. Lows 53 to 63. South winds 10 to 15 mph. .TUESDAY...Mostly sunny. Highs 90 to 96. Light winds in the morning, becoming south 10 to 15 mph with gusts to 25 mph in the afternoon. .TUESDAY NIGHT...Mostly cloudy. Lows 56 to 66. .WEDNESDAY THROUGH THURSDAY NIGHT...Partly cloudy. Highs 88 to 95. Lows 51 to 61. .FRIDAY THROUGH SATURDAY...Mostly clear. Highs 85 to 92. Lows 51 to 61. $$ =