Expires:202512110500;;354561 FPUS55 KBOI 102108 ZFPBOI Zone Forecasts for Southwest Idaho/Southeast Oregon National Weather Service Boise ID 207 PM MST Wed Dec 10 2025 Spot temperatures are for tonight, Thursday, Thursday night, and Friday. ORZ064-110500- Oregon Lower Treasure Valley- 207 PM MST Wed Dec 10 2025 /107 PM PST Wed Dec 10 2025/ ...AIR STAGNATION ADVISORY IN EFFECT FROM 4 AM PST /5 AM MST/ FRIDAY TO 4 AM PST /5 AM MST/ MONDAY... .TONIGHT...Mostly cloudy. Patchy fog this evening. Areas of fog after midnight. Lows 37 to 42. Light winds. .THURSDAY...Areas of fog in the morning. Mostly sunny. Highs 53 to 58. Light winds. .THURSDAY NIGHT...Increasing clouds. Areas of fog after midnight. Lows 33 to 38. Light winds. .FRIDAY...Areas of fog in the morning. Mostly sunny. Highs 49 to 54. Light winds. .FRIDAY NIGHT...Partly cloudy. Areas of fog after midnight. Lows 28 to 34. Light winds. .SATURDAY...Areas of fog in the morning. Mostly sunny. Highs 46 to 52. .SATURDAY NIGHT...Partly cloudy in the evening, then clearing. Lows 26 to 32. .SUNDAY...Patchy fog in the morning. Mostly sunny. Highs 45 to 50. .SUNDAY NIGHT...Increasing clouds. Lows 29 to 34. .MONDAY...Partly cloudy. A chance of rain, mainly in the afternoon. Chance of rain 30 percent. Highs 44 to 49. .MONDAY NIGHT...Rain likely. Chance of rain 60 percent. Lows 34 to 39. .TUESDAY...Partly cloudy with a 40 percent chance of rain. Highs 52 to 57. .TUESDAY NIGHT...Mostly cloudy with a 50 percent chance of rain. Lows 36 to 41. .WEDNESDAY...Partly cloudy with a chance of rain and snow. Chance of precipitation 40 percent. Highs 50 to 55. && TEMPERATURE Ontario 37 54 33 50 $$ =