Moose Lake, MT Weather Forecast
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Moose Lake Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY |
| Chance of T-Storm | Chance of T-Storm | Patchy Fog | Partly Cloudy | Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Sunny |
| Hi: 50°FHi: 10°C | Lo: 39°FLo: 4°C | Hi: 56°FHi: 13°C | Lo: 38°FLo: 3°C | Hi: 64°FHi: 18°C | Hi: 65°FHi: 18°C Lo: 42°FLo: 6°C | Hi: 65°FHi: 18°C Lo: 42°FLo: 6°C | Lo: 43°FLo: 6°C | Hi: 66°FHi: 19°C Lo: 44°FLo: 7°C | Hi: 66°FHi: 19°C Lo: 44°FLo: 7°C | Hi: 67°FHi: 19°C |
| POP: 100% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 336 AM MDT Sat Sep 19 2026 

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Issued: 520 AM MDT Sat Sep 19 2026
Key Messages
- Localized flooding possible in areas with moderate rainfall across parts of central and southwest Montana today.
- Drier and warmer weather pattern develops for the upcoming week
Discussion
...- Meteorological Overview:
A vertically stacked mid-upper level low, centered over southern Idaho early this morning, will slowly track east into Wyoming through tonight while gradually weakening. This setup will sustain a deep, anomalously moist easterly flow across southwestern Montana today. Wides...
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