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Storm Lakes, MT Weather Forecast
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Storm Lakes Weather Forecast
| REST OF TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  | | |  | | | |  |  | |
| Thunderstorms | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Thunderstorms | Thunderstorms | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Rain Showers | Chance of T-Storm |
| Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 31°FLo: -1°C | Hi: 65°FHi: 18°C | Lo: 35°FLo: 2°C | Hi: 69°FHi: 21°C | Lo: 31°FLo: -1°C |
| POP: 70% | POP: 20% | POP: 80% | POP: 90% | POP: 90% | POP: 80% | POP: 60% | POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1253 PM MDT Thu Sep 17 2026 
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Issued: 122 PM MDT Thu Sep 17 2026
Key Messages
- Isolated to scattered showers and thunderstorms this afternoon and evening. Locally heavy rain possible over SE Montana with any showers/thunderstorms.
- A few strong thunderstorms are possible, mainly around and east of Billings Friday afternoon and evening.
- Flood Watch Friday night through Sunday for much of the area. Widespread precipitation Friday afternoon through the weekend, with the potential for locally heavy rainfall widespread through Saturday night.
- Chance for at least an i...