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City of Missoula, MTMissoula, MT Weather Forecast
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Missoula Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
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| Patchy Fog | Smoke | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of Rain | Partly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear |
| Hi: 81°FHi: 27°C | Lo: 47°FLo: 8°C | Hi: 83°FHi: 28°C | Lo: 50°FLo: 10°C | Hi: 90°FHi: 32°C | Lo: 53°FLo: 12°C | Hi: 90°FHi: 32°C | Lo: 53°FLo: 12°C | Hi: 87°FHi: 31°C | Lo: 50°FLo: 10°C | Hi: 83°FHi: 28°C | Lo: 46°FLo: 8°C |
| POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 AM MDT Sun Aug 23 2026 
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Missoula Forecast Discussion
Issued: 1220 PM MDT Sat Aug 22 2026
Discussion
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KEY MESSAGES:- Strong thunderstorms today through the afternoon and evening. Gusty outflow winds as the main threat.
- Cold front Sunday brings cooler temperatures but gusty westerly winds and dry air.
- Ridge rebuilds early next week, warming and drying trend.
Partial clearing across southern and central Idaho has allowed for diurnal heating and weak instability by midday. Showers and thunderstorms are expected to increasingly initiate over higher terrain early this afternoon over Idaho ...