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Access Reservoir Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | MONDAY | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | |  | | | |  |  | |  | |
| Partly Cloudy | Sunny | Partly Cloudy | Chance of Rain | Rain | Sunny | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Rain and Snow | Rain and Snow |
| Lo: 41°FLo: 5°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 31°FLo: -1°C | Hi: 45°FHi: 7°C | Hi: 45°FHi: 7°C Lo: 25°FLo: -4°C | Hi: 45°FHi: 7°C Lo: 25°FLo: -4°C | Hi: 49°FHi: 9°C Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C Lo: 29°FLo: -2°C | Lo: 29°FLo: -2°C | Hi: 45°FHi: 7°C |
| POP: 30% | POP: 90% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1141 PM MDT Wed Oct 21 2026 
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Issued: 1113 PM MDT Wed Oct 21 2026
Key Messages
- Dry and warm conditions will continue through tonight.
- A cold front will push east through the CWA Friday afternoon bringing gusty winds and rough conditions for Fort Peck Lake.
- Precipitation chances are expected over the northwestern half of the CWA Friday afternoon and evening.
- Cooler and drier weather expected for the weekend, that continues into early next week.
Discussion
... Today and tonight: A fairly large upper low over the California coast will keep an induced ridge to its ea...