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Powell Reservoirs Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
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| Smoke | Smoke | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Partly Cloudy | Chance of Rain | Chance of Rain |
| Hi: 76°FHi: 24°C | Lo: 46°FLo: 8°C | Hi: 80°FHi: 27°C | Lo: 46°FLo: 8°C | Hi: 80°FHi: 27°C | Lo: 46°FLo: 8°C | Hi: 80°FHi: 27°C | Lo: 46°FLo: 8°C | Hi: 76°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 40°FLo: 4°C |
| POP: 40% | POP: 40% | POP: 40% | POP: 40% | POP: 40% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 AM MDT Mon Aug 24 2026 
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Issued: 338 AM MDT Mon Aug 24 2026
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KEY MESSAGES:- High pressure rebuilding today with warming temperatures and light diurnal winds.
- Thunderstorm chances expand northward Tuesday and Wednesday.
High pressure will rebuild across the Northern Rockies today bringing stable conditions and generally light winds. High temperatures will be on the uptrend, topping out about 10 degrees above seasonal norms by Tuesday and Wednesday.
Monsoonal moisture will begin spreading northward for Tuesday, introducing shower and thunderstorm ...