Expires:202512111700;;382025 FPUS55 KBOI 110908 ZFPBOI Zone Forecasts for Southwest Idaho/Southeast Oregon National Weather Service Boise ID 207 AM MST Thu Dec 11 2025 Spot temperatures are for today, tonight, and Friday. IDZ014-111700- Upper Treasure Valley- 207 AM MST Thu Dec 11 2025 ...AIR STAGNATION ADVISORY IN EFFECT FROM 4 AM PST /5 AM MST/ FRIDAY TO 4 AM PST /5 AM MST/ MONDAY... .TODAY...Sunny. Highs 56 to 61. North winds up to 10 mph. .TONIGHT...Mostly clear. Patchy fog after midnight. Lows 30 to 38. Northwest winds up to 10 mph in the evening, becoming light after midnight. .FRIDAY...Patchy fog in the morning. Sunny. Highs 54 to 59. Light winds. .FRIDAY NIGHT...Mostly clear. Lows 26 to 33. Light winds. .SATURDAY...Mostly sunny. Highs 52 to 57. Light winds. .SATURDAY NIGHT...Decreasing clouds. Lows 24 to 33. .SUNDAY...Sunny. Highs 50 to 55. .SUNDAY NIGHT...Partly cloudy. Lows 29 to 34. .MONDAY...Partly cloudy. A slight chance of rain in the afternoon. Chance of rain 20 percent. Highs 52 to 57. .MONDAY NIGHT AND TUESDAY...Mostly cloudy. A 40 percent chance of rain. Lows 36 to 41. Highs 54 to 59. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows 36 to 41. .WEDNESDAY...Decreasing clouds. A chance of rain and snow. Chance of precipitation 50 percent. Highs 51 to 56. && TEMPERATURE Boise 58 38 56 Mountain Home 58 30 56 $$ =