| NWS Forecast for: Upper Treasure Valley Issued by: National Weather Service Boise, ID Last Update: 208 PM MST Sat Jan 17 2026 | |
Tonight: Increasing clouds. Areas of fog. Lows 19 to 25. Light winds. Sunday: Mostly sunny. Areas of fog in the morning. Patchy fog in the afternoon. Highs 33 to 38. Light winds. Sunday Night: Mostly clear. Patchy fog. Lows 21 to 26. Light winds. Martin Luther King Jr Day: Patchy fog in the morning. Sunny. Highs 34 to 39. Light winds. Monday Night: Mostly clear. Patchy fog. Lows 21 to 26. Light winds. Tuesday: Patchy fog in the morning. Sunny. Highs 42 to 47. Tuesday Night Through Thursday Night: Partly cloudy. Lows 21 to 30. Highs 42 to 48. Friday: Partly sunny. Highs 43 to 48. Friday Night: Decreasing clouds. A slight chance of rain and snow. Chance of precipitation 20 percent. Lows 26 to 31. Saturday: Partly cloudy with a slight chance of rain and snow. Chance of precipitation 20 percent. Highs 45 to 50. | |
| Zone Forecast: Upper Treasure Valley | |
Visit your local NWS office at: https://www.weather.gov/boi |