Weather WorldShell Rock Reservoir, OR Weather Forecast
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Shell Rock Reservoir Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | SATURDAY |
 |  |  |  | |  |  | | | |
| Sunny | Partly Cloudy | Partly Sunny | Chance of T-Storm | Mostly Sunny | Mostly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear |
| Hi: 89°FHi: 32°C | Lo: 57°FLo: 14°C | Hi: 92°FHi: 33°C | Lo: 59°FLo: 15°C | Hi: 94°FHi: 34°C | Lo: 62°FLo: 17°C | Hi: 92°FHi: 33°C Lo: 57°FLo: 14°C | Hi: 92°FHi: 33°C Lo: 57°FLo: 14°C | Hi: 89°FHi: 32°C Lo: 57°FLo: 14°C | Hi: 89°FHi: 32°C Lo: 57°FLo: 14°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 230 AM MDT Sun Aug 23 2026 
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Issued: 1130 AM MDT Sun Aug 23 2026
Key Messages
- Dry and slightly cooler Sunday, then several degrees warmer again Monday.
- A slight chance of thunderstorms along NV border today south of Twin Falls.
Aviation
/18Z Sunday through Monday/... Issued 1130 AM MDT SUN AUG 23 2026
VFR. Isolated thunderstorms south and east of KTWF this afternoon. Thunderstorms capable of outflows of 30-40 kt. Surface winds: W-NW 10-20 kt. Winds aloft at 10kft MSL: SW 10-25 kt.
KBOI...VFR. Surface winds: NW 7-12 kt with gusts to around 18 kt this afternoon.