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Corkscrew Lake, MT Weather Forecast
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Corkscrew Lake Weather Forecast
| REST OF TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  | |  |  |  | |  | | |  | |
| Chance of Showers | Chance of Showers | Chance of Showers | Patchy Fog | Mostly Clear | Sunny | Chance of Showers | Chance of T-Storm | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 31°FLo: -1°C | Hi: 60°FHi: 16°C | Lo: 29°FLo: -2°C | Hi: 69°FHi: 21°C | Lo: 31°FLo: -1°C | Hi: 70°FHi: 21°C | Lo: 35°FLo: 2°C | Hi: 69°FHi: 21°C | Lo: 35°FLo: 2°C | Hi: 71°FHi: 22°C | Lo: 39°FLo: 4°C | Hi: 71°FHi: 22°C |
| POP: 30% | POP: 40% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1053 PM MDT Sat Sep 19 2026 
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Issued: 638 PM MDT Sat Sep 19 2026
Key Messages
- A few strong thunderstorms are expected over southeast Montana through this evening. Main threat is heavy rain and strong winds.
- Flood Watch in effect through Sunday for much of the area. Widespread precipitation through the weekend.
- Widespread 50-95% chance of an inch of rainfall. 50-80% chance of two inches of rainfall for portions of south central Montana.
Discussion
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Rest of Today through Friday...
Widespread rain will continue over the next 24 hours. An estimated 0.75-1.25" of ra...