Weather WorldLower Miller Reservoir, OR Weather Forecast
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Lower Miller Reservoir Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY |
 |  |  |  |  | | |  |  |  | | |
| Mostly Sunny | Smoke | Increasing Clouds | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Sunny | Partly Cloudy | Partly Cloudy | Chance of Showers | Partly Cloudy | Partly Cloudy |
| Hi: 98°FHi: 37°C | Lo: 64°FLo: 18°C | Hi: 100°FHi: 38°C | Lo: 66°FLo: 19°C | Hi: 94°FHi: 34°C | Lo: 60°FLo: 16°C | Hi: 89°FHi: 32°C | Hi: 91°FHi: 33°C Lo: 57°FLo: 14°C | Hi: 91°FHi: 33°C Lo: 57°FLo: 14°C | Lo: 60°FLo: 16°C | Hi: 91°FHi: 33°C Lo: 60°FLo: 16°C | Hi: 91°FHi: 33°C Lo: 60°FLo: 16°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1236 AM MDT Thu Aug 20 2026 
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Issued: 1153 PM MDT Wed Aug 19 2026
Key Messages
- Heat Advisory Thursday afternoon through Friday in the Treasure Valley, western Magic Valley, and Upper Weiser River Valley.
- Increased chance of afternoon and evening showers and thunderstorms over higher terrain Friday through Sunday.
- Above normal temperatures next week with a chance of afternoon thunderstorms each day over the mountains of southwest Idaho.
Aviation
/06Z Thursday through Friday/... Issued 1126 PM MDT WED AUG 19 2026 VFR with increasing hi...