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Clark Fork Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY |
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| Partly Cloudy | Mostly Cloudy | Chance of T-Storm | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Rain Showers | Chance of Showers | Patchy Fog | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 77°FHi: 25°C | Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C | Lo: 46°FLo: 8°C | Hi: 66°FHi: 19°C | Lo: 45°FLo: 7°C | Hi: 60°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C | Hi: 70°FHi: 21°C Lo: 40°FLo: 4°C | Hi: 70°FHi: 21°C Lo: 40°FLo: 4°C | Hi: 70°FHi: 21°C Lo: 40°FLo: 4°C |
| POP: 40% | POP: 50% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 258 AM PDT Thu Sep 10 2026 
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Issued: 1237 AM PDT Thu Sep 10 2026
Key Messages
- Breezy and dry on Thursday. Elevated fire weather conditions in dry grasses. A 20 percent chance for patchy blowing dust along I-90 from Moses Lake to Ritzville southward across the Columbia Basin.
- Cooler Friday into the weekend. Showers return over the weekend. A 60-90 percent chance for greater than a quarter of an inch of precipitation over southeast Washington into the southern to central Idaho Panhandle Saturday and Sunday.
Discussion
... Thursday through Friday morning: A low pre...