Salmon, ID Weather Forecast
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Salmon Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 56°FHi: 13°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: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 46°FLo: 8°C |
| POP: 70% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 AM MDT Sat Sep 19 2026 

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Issued: 140 AM MDT Sat Sep 19 2026
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KEY MESSAGES:- Steady precipitation today south of about I-90.
- Warming and drying trend Sunday into the first part of next week.
Satellite imagery early this morning indicates a cutoff upper level low pressure circulation moving across southern Idaho. A deformation zone north and east of the low pressure center is bringing rain to north-central Idaho, along with west-central and southwest Montana. Rainfall is heavy at times, with rates of up to about 0.30 inches per hour in the Clearw...
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