| NWS Forecast for: Upper Treasure Valley Issued by: National Weather Service Boise, ID Last Update: 206 AM MST Sun Jan 11 2026 |  |
Today: Sunny. Highs 41 to 46. Southeast winds up to 10 mph with gusts to 20 mph. Tonight: Mostly clear. Lows 20 to 25. Light winds. Monday: Mostly sunny. Highs 40 to 45. Light winds. Monday Night: Partly cloudy. Patchy fog after midnight. Lows 20 to 25. Light winds. Tuesday: Patchy fog in the morning. Partly sunny. Highs 40 to 45. Light winds. Tuesday Night: Partly cloudy. Lows 20 to 25. Wednesday: Patchy fog in the morning. Sunny. Highs 42 to 47. Wednesday Night: Mostly clear. Areas of fog after midnight. Lows 21 to 26. Thursday Through Friday: Patchy fog in the morning. Patchy fog through the day. Mostly clear. Highs 41 to 47. Lows 21 to 26. Friday Night And Saturday: Mostly clear. Lows 20 to 25. Highs 42 to 47. | |
| Zone Forecast: Upper Treasure Valley | |
Visit your local NWS office at: https://www.weather.gov/boi |