Expires:202512300500;;457109 FPUS55 KBOI 292110 ZFPBOI Zone Forecasts for Southwest Idaho/Southeast Oregon National Weather Service Boise ID 209 PM MST Mon Dec 29 2025 Spot temperatures are for tonight, Tuesday, Tuesday night, and Wednesday. IDZ033-300500- Upper Weiser River- 209 PM MST Mon Dec 29 2025 ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST /10 AM MST/ THURSDAY... .TONIGHT...Partly cloudy. Lows 21 to 26. Light winds. .TUESDAY...Sunny. Highs 35 to 40. Light winds. .TUESDAY NIGHT...Mostly clear. Lows 23 to 28. Light winds. .WEDNESDAY...Mostly sunny. Highs 36 to 42. Light winds. .WEDNESDAY NIGHT...Mostly cloudy. Lows 26 to 31. Light winds. .NEW YEARS DAY...Mostly cloudy with a chance of rain and snow. Chance of precipitation 50 percent. Highs 37 to 42. .THURSDAY NIGHT AND FRIDAY...Rain likely. Areas of fog. Chance of rain 70 percent. Lows 30 to 35. Highs 41 to 46. .FRIDAY NIGHT...Rain likely, mainly after midnight. Areas of fog. Chance of rain 60 percent. Lows 32 to 37. .SATURDAY...Areas of fog in the morning. Rain and snow likely. Chance of precipitation 70 percent. Little snow accumulation expected. Highs 41 to 46. .SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Patchy fog. A chance of rain and snow. Chance of precipitation 50 percent. Lows 30 to 35. Highs 39 to 44. .SUNDAY NIGHT...Mostly cloudy with a chance of rain and snow. Patchy fog after midnight. Chance of precipitation 40 percent. Lows 29 to 34. .MONDAY...Decreasing clouds. Patchy fog in the morning. A chance of rain and snow. Chance of precipitation 50 percent. Highs 39 to 44. && TEMPERATURE Council 22 40 24 42 Cambridge 22 39 23 40 $$ =