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Stump Lake, MT Weather Forecast
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Stump Lake Weather Forecast
| REST OF TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  | | | | |  |  | |  |  |
| Partly Cloudy | Mostly Sunny | Windy | Windy | Windy | Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Sunny | Rain and Snow | Partly Cloudy |
| Lo: 31°FLo: -1°C | Hi: 53°FHi: 12°C | Lo: 45°FLo: 7°C | Hi: 54°FHi: 12°C | Lo: 34°FLo: 1°C | Hi: 49°FHi: 9°C | Lo: 36°FLo: 2°C | Hi: 54°FHi: 12°C Lo: 39°FLo: 4°C | Hi: 54°FHi: 12°C Lo: 39°FLo: 4°C | Hi: 49°FHi: 9°C | Lo: 35°FLo: 2°C | Hi: 48°FHi: 9°C Lo: 38°FLo: 3°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 747 PM MDT Thu Oct 15 2026 
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Issued: 802 PM MDT Thu Oct 15 2026
Key Messages
- Temperatures trend warmer through Saturday before cooling slightly Sunday into early next week.
- Gusty to locally strong westerly winds develop along the Rocky Mountain Front and the plains Friday and especially Saturday.
- Pacific weather systems look to bring cooler temperatures and periods of rain and mostly mountain snow heading towards the second half of next week.
Discussion
... /Issued 509 PM MDT Thu Oct 15 2026/- Meteorological Overview:
Ridging aloft migrates into the Northern Rock...