Pratt Lake, MT Weather Forecast
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Pratt Lake Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Rain | Patchy Fog | Patchy Fog | Chance of Rain | Mostly Sunny | Clear | Mostly Sunny | Partly Cloudy | Chance of Rain | Chance of Rain | Partly Cloudy | Mostly Clear |
| Hi: 56°FHi: 13°C | Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 66°FHi: 19°C | Lo: 40°FLo: 4°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 66°FHi: 19°C | Lo: 45°FLo: 7°C |
| POP: 50% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 AM MDT Mon Sep 14 2026 

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Issued: 208 AM MDT Mon Sep 14 2026
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KEY MESSAGES:- Widespread rain showers, high elevation snow and breezy conditions today
- Drying and warming conditions by mid-week.
- Trending wetter late Thursday into Friday.
A low pressure system moving along the northwest Montana and Canadian border will slowly shift eastward today. This system is producing widespread rain showers across all of western Montana and north-central Idaho, with heavier showers focusing on northwest Montana and north-central Idaho today. Snow levels droppe...
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