River Park, ID Weather Forecast
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River Park Weather Forecast
| REST OF TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | MONDAY |
| Mostly Cloudy | Mostly Clear | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of T-Storm | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy |
| Hi: 77°FHi: 25°C | Lo: 46°FLo: 8°C | Hi: 71°FHi: 22°C | Lo: 47°FLo: 8°C | Hi: 76°FHi: 24°C | Lo: 53°FLo: 12°C | Hi: 67°FHi: 19°C | Lo: 41°FLo: 5°C | Hi: 60°FHi: 16°C Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C Lo: 40°FLo: 4°C |
| POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1135 AM PDT Tue Sep 22 2026 

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Issued: 1056 AM PDT Tue Sep 22 2026
Key Messages
- Cloud cover increases and winds become breezy out of the west Tuesday into Wednesday.
- Afternoon highs trend cooler Tuesday through the weekend, falling into the upper 50s to mid 60s by Saturday.
- An incoming weather system brings stronger winds and an increasing risk for rain and high mountain snow Thursday through Saturday.
Discussion
... Tuesday through Wednesday: An upper level low pressure system is set to strengthen just off the northern British Columbia coast, brushing the northwe...
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