Expires:202601030500;;682495 FPUS55 KBOI 022108 ZFPBOI Zone Forecasts for Southwest Idaho/Southeast Oregon National Weather Service Boise ID 207 PM MST Fri Jan 2 2026 Spot temperatures are for tonight, Saturday, Saturday night, and Sunday. IDZ030-030500- Southern Twin Falls County- 207 PM MST Fri Jan 2 2026 .TONIGHT...Mostly cloudy. Lows 33 to 38. Breezy. .SATURDAY...Rain likely, mainly in the afternoon. Chance of rain 60 percent. Highs 46 to 51. Breezy. .SATURDAY NIGHT...Rain likely in the evening, then a chance of rain and snow after midnight. Chance of precipitation 60 percent. Little or no snow accumulation. Lows 35 to 40. Breezy. .SUNDAY...Rain and snow likely, mainly in the afternoon. Chance of precipitation 60 percent. Little snow accumulation expected. Highs 46 to 51. .SUNDAY NIGHT...A chance of rain. Snow likely, mainly in the evening. Chance of precipitation 60 percent. Little snow accumulation expected. Lows 30 to 35. .MONDAY...Partly cloudy with a chance of rain and snow, mainly in the morning. Chance of precipitation 30 percent. Highs 43 to 48. .MONDAY NIGHT...Mostly cloudy. A slight chance of snow in the evening. Chance of snow 20 percent. Lows 27 to 32. .TUESDAY...Partly sunny. Highs 43 to 48. .TUESDAY NIGHT...Mostly cloudy. A chance of rain and snow after midnight. Chance of precipitation 30 percent. Lows 27 to 32. .WEDNESDAY...Mostly cloudy with a 50 percent chance of snow. Highs 37 to 42. .WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of snow. Lows 20 to 25. .THURSDAY...Partly cloudy with a 30 percent chance of snow. Highs 30 to 35. .THURSDAY NIGHT...Mostly cloudy with a slight chance of snow in the evening, then partly cloudy after midnight. Chance of snow 20 percent. Lows 17 to 22. .FRIDAY...Partly sunny. Highs 31 to 36. Wind chills as low as zero in the morning. $$ =