Riverside Park Polson, MT Weather Forecast
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Riverside Park Polson Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Patchy Fog | Patchy Fog | Mostly Clear | Partly Cloudy | Chance of Rain | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain |
| Lo: 36°FLo: 2°C | Hi: 76°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 85°FHi: 29°C | Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C | Lo: 40°FLo: 4°C | Hi: 66°FHi: 19°C | Lo: 40°FLo: 4°C | Hi: 70°FHi: 21°C | Lo: 40°FLo: 4°C | Hi: 75°FHi: 24°C |
| POP: 30% | POP: 70% | POP: 40% | POP: 40% | POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 PM MDT Sun Aug 30 2026 

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Issued: 137 AM MDT Sun Aug 30 2026
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KEY MESSAGES:- Elevated post-frontal winds creating choppy conditions on Flathead Lake through early Sunday.
- Unseasonably cold temperatures (10 to 15 degrees below average) bringing high- elevation valley frost Sunday and Monday mornings.
- Brief warm-up early next week followed by another cool, active trough late next week.
Today through Tuesday: Early morning showers across southwest Montana will taper off, with primary weather impacts shifting to northwest Montana today as moisture w...
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