Weather WorldLower Chapman Reservoir, OR Weather Forecast
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Lower Chapman Reservoir Weather Forecast
| REST OF TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | MONDAY | TUESDAY |
 |  | |  |  | |  | | | |
| Smoke | Increasing Clouds | Smoke | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Sunny |
| Hi: 95°FHi: 35°C | Lo: 62°FLo: 17°C | Hi: 93°FHi: 34°C | Lo: 59°FLo: 15°C | Hi: 82°FHi: 28°C | Lo: 54°FLo: 12°C | Hi: 84°FHi: 29°C Lo: 51°FLo: 11°C | Hi: 84°FHi: 29°C Lo: 51°FLo: 11°C | Hi: 84°FHi: 29°C Lo: 51°FLo: 11°C | Hi: 83°FHi: 28°C |
| POP: 20% | POP: 40% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 503 AM MDT Wed Aug 26 2026 
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Issued: 638 AM MDT Wed Aug 26 2026
Key Messages
- Isolated afternoon thunderstorms Wednesday and Thursday, mainly forming over the central Idaho mountains, and southern Twin Falls County.
- Thunderstorms capable of producing gusty erratic outflow winds up to 40 mph.
- Scattered showers and isolated thunderstorms over southwest Idaho on Friday and Saturday capable of producing wetting rains.
Aviation
/12Z Wednesday through Thursday/... Issued 635 AM MDT WED AUG 26 2026 VFR. Isolated showers and virga during morning hours. A slight chance o...