Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

12°F

-11°C

Humidity 85%
Wind Speed N 0 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 9°F (-13°C)
Visibility 9.00 mi
Last update 21 Jan 09:20 AM MST
Extended Forecast for

28 Miles SSW Shoup ID

  • Today

    Today: Sunny, with a high near 32. Southwest wind 3 to 6 mph.

    High: 32 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 16. West wind 3 to 5 mph.

    Low: 16 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 30. Calm wind becoming west around 6 mph in the afternoon.

    High: 30 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 10. West southwest wind 3 to 6 mph.

    Low: 10 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 22. North northwest wind 3 to 8 mph.

    High: 22 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 22.

    High: 22 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 7.

    Low: 7 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 26.

    High: 26 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 32. Southwest wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 16. West wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 30. Calm wind becoming west around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 10. West southwest wind 3 to 6 mph.
Friday
Sunny, with a high near 22. North northwest wind 3 to 8 mph.
Friday Night
Mostly clear, with a low around 5.
Saturday
Sunny, with a high near 22.
Saturday Night
Mostly clear, with a low around 7.
Sunday
Sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 30.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
28 Miles SSW Shoup ID
 45°N 114.5°W (Elev. 7444 ft)
2:06 am MST Jan 21, 2026
9am MST Jan 21, 2026-6pm MST Jan 27, 2026
 
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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