| NWS Forecast for: Lower Hells Canyon/Salmon River Region Issued by: National Weather Service Missoula, MT Last Update: 1122 PM PDT Fri Sep 18 2026 | |
| Today: Mostly cloudy with a 20 percent chance of rain early in the morning, then partly cloudy in the late morning and afternoon. Highs in the 60s to upper 70s. Tonight: Mostly clear. Lows in the upper 40s to mid 50s. Sunday: Mostly sunny. Highs in the 70s to mid 80s. Sunday Night: Clear. Lows in the 50s. Monday: Mostly sunny. Highs 76 to 89. Monday Night: Mostly clear. Lows in the 50s to lower 60s. Tuesday: Mostly sunny. Highs 76 to 89. Tuesday Night: Mostly clear. Lows in the 50s. Wednesday: Mostly sunny. Highs in the mid 70s to upper 80s. Wednesday Night: Mostly clear. Lows in the 50s. Thursday: Mostly sunny. Highs in the mid 70s to upper 80s. Thursday Night: Partly cloudy. Lows in the 50s. Friday: Partly cloudy. Highs in the 70s to lower 80s. | |
| Zone Forecast: Lower Hells Canyon/Salmon River Region | |
Visit your local NWS office at: https://www.weather.gov/mso |