Grover Reservoir, OR Weather Forecast
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Grover Reservoir Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Smoke | Fog | Sunny | Clearing | Sunny | Increasing Clouds | Partly Sunny | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 78°FHi: 26°C | Lo: 40°FLo: 4°C | Hi: 76°FHi: 24°C | Lo: 41°FLo: 5°C | Hi: 85°FHi: 29°C | Lo: 51°FLo: 11°C | Hi: 84°FHi: 29°C | Lo: 46°FLo: 8°C | Hi: 75°FHi: 24°C | Lo: 46°FLo: 8°C | Hi: 73°FHi: 23°C Lo: 42°FLo: 6°C | Hi: 73°FHi: 23°C Lo: 42°FLo: 6°C |
| POP: 30% | POP: 20% | POP: 30% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 130 AM PDT Sat Aug 29 2026 

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Issued: 606 AM MDT Sat Aug 29 2026
Key Messages
- Isolated showers and thunderstorms today. Stronger storms producing gusty winds possible in SW Idaho.
- Cool and dry Sunday then warmer early next week.
- A deeper low pressure system expected later next week for cooler and wetter conditions.
Aviation
/12Z Saturday through Sunday/... Issued 602 AM MDT SAT AUG 29 2026 Mid to high clouds today. Isolated thunderstorms with gusty erratic winds 25-45 kt possible this afternoon mainly across south-central Idaho. Local reductions in visibility fr...
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