National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

Lat: 45.11667°NLon: 113.88333°WElev: 4045.0ft.

Overcast

45°F

7°C

Humidity 61%
Wind Speed W 3 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 12 Oct 06:15 PM MDT
Extended Forecast for

16 Miles WSW Salmon ID

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Light northwest wind.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 54. Calm wind becoming north northwest around 5 mph.

    High: 54 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 58. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 58 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 33.

    Low: 33 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 26. Light northwest wind.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 54. Calm wind becoming north northwest around 5 mph.
Tuesday Night
Mostly clear, with a low around 26. Calm wind.
Wednesday
Sunny, with a high near 58. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 63.
Thursday Night
Clear, with a low around 33.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 38.
Monday
Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles WSW Salmon ID
 45.11°N 114.22°W (Elev. 5000 ft)
Last Update:
2:01 pm MDT Oct 12, 2026
Forecast Valid:
6pm MDT Oct 12, 2026-6pm MDT Oct 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation