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Big Dry School Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Chance of T-Storm | Chance of Showers | Chance of Showers | Mostly Sunny | Mostly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of Showers |
| Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Hi: 79°FHi: 26°C Lo: 41°FLo: 5°C | Hi: 79°FHi: 26°C Lo: 41°FLo: 5°C | Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C |
| POP: 90% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1241 AM MDT Mon Sep 14 2026 
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Issued: 1256 AM MDT Mon Sep 14 2026
Key Messages
- Accumulating rain showers and embedded thunderstorms at times going through 9 PM this evening beside low amounts in Petroleum and southwest Phillips counties.
- Winds will reach Lake Wind Advisory Criteria today. Wave heights will have the potential to reach 4 to 5 ft with localized areas to 6 feet on the widest parts of Fort Peck Lake.
- Slight chances for rain showers are possible Tuesday night and again Thursday night into the weekend.
Discussion
... A low pressure system is on its way ...