| NWS Forecast for: Lower Treasure Valley Issued by: National Weather Service Boise, ID Last Update: 256 AM MST Thu Jan 1 2026 |  |
| Today: Rain and snow likely this morning, then rain this afternoon. Areas of fog. Chance of precipitation near 100 percent. No snow accumulation. Highs 36 to 41. Light winds. Tonight: Rain. Areas of fog. Chance of rain near 100 percent. Lows 30 to 35. Temperature rising into the mid 30s after midnight. Light winds. Friday: Rain likely in the morning. Areas of dense fog. Chance of rain 60 percent. Highs 41 to 47. Light winds. Friday Night: Mostly cloudy. Areas of fog. Lows 33 to 38. Light winds in the evening, becoming southeast up to 10 mph after midnight. Saturday: Areas of fog in the morning. Mostly cloudy with a slight chance of rain in the morning, then partly cloudy with a chance of rain in the afternoon. Chance of rain 30 percent. Highs 46 to 51. Southeast winds 10 to 15 mph. Gusts to 25 mph in the afternoon. Saturday Night: Mostly cloudy with a 30 percent chance of rain. Lows 36 to 41. Sunday: Rain likely. Chance of rain 60 percent. Highs 46 to 52. Sunday Night: Rain likely. Patchy fog after midnight. Chance of rain 60 percent. Lows 34 to 39. Monday: Areas of fog in the morning. Rain likely, mainly in the morning. Chance of rain 60 percent. Highs 46 to 51. Monday Night: Mostly cloudy with a 30 percent chance of rain. Patchy fog after midnight. Lows 31 to 36. Tuesday And Tuesday Night: Mostly cloudy. A 20 percent chance of rain. Areas of fog in the morning. Areas of fog after midnight. Highs 43 to 48. Lows 29 to 34. Wednesday: Decreasing clouds. Areas of fog in the morning. A 30 percent chance of rain. Highs 42 to 47. | |
| Zone Forecast: Lower Treasure Valley | |
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