| NWS Forecast for: Upper Weiser River Issued by: National Weather Service Boise, ID Last Update: 230 AM MDT Sat Sep 5 2026 |  |
| Today: Areas of fog this morning. Sunny. Highs 68 to 74. Light winds. Tonight: Increasing clouds. A slight chance of showers after midnight. Chance of rain 20 percent. Lows 46 to 52. Light winds. Sunday: Partly cloudy. A slight chance of showers in the morning. Areas of fog in the morning. Chance of rain 20 percent. Highs 69 to 75. Light winds in the morning, becoming southwest around 10 mph in the afternoon. Sunday Night: A slight chance of thunderstorms. Showers, mainly after midnight. Patchy fog in the evening. Areas of fog after midnight. Chance of rain 90 percent. Lows 46 to 51. West winds 10 to 15 mph. Gusts to 30 mph in the evening, decreasing to 20 mph after midnight. Labor Day: Areas of fog in the morning. Showers. A slight chance of thunderstorms in the afternoon. Chance of rain 90 percent. Highs 60 to 65. Southwest winds 10 to 15 mph. Monday Night: Partly cloudy in the evening, then clearing. Areas of fog. Lows 41 to 46. Tuesday: Areas of fog in the morning. Sunny. Highs 68 to 74. Tuesday Night Through Thursday: Partly cloudy. Lows 45 to 54. Highs 74 to 81. Thursday Night: Partly cloudy with a 20 percent chance of showers. Lows 52 to 57. Friday: Partly cloudy with a 20 percent chance of showers. Highs 74 to 80. | |
| Zone Forecast: Upper Weiser River | |
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