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Polson High School Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY |
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| Rain | Chance of T-Storm | Chance of Rain | Chance of Rain | Chance of Rain | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Rain | Chance of Rain | Chance of T-Storm | Chance of Rain |
| 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: 66°FHi: 19°C | Lo: 40°FLo: 4°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C |
| POP: 30% | POP: 70% | POP: 50% | POP: 50% | POP: 50% | POP: 40% | POP: 50% | POP: 30% | POP: 30% | POP: 20% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 PM MDT Tue Sep 01 2026 
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Issued: 1132 AM MDT Tue Sep 1 2026
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KEY MESSAGES:- Widespread showers and thunderstorms this afternoon and evening, with gusty outflow winds of 30-50 mph, brief moderate rainfall, and lightning, strongest storms south of Highway 200.
- Another round of storms Wednesday capable of 30-50 mph outflows and heavy rain rates up to 0.5 inches per hour.
- Persistent active pattern late week into the weekend under southwesterly flow, with a 20 percent chance of a tropical moisture tap on Sunday or Monday.
As low pressure off the Pac...