Major Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold in the North-Central U.S.

A large, long-duration winter storm is expected to bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies/Plains into the Mid-South beginning Friday, spreading eastward to the Mid-Atlantic and New England this weekend. An Arctic front will bring frigid temperatures and gusty winds that will lead to dangerous wind chills from the Northern Plains and Upper Midwest. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

28°F

-2°C

Humidity 58%
Wind Speed N 0 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 22 Jan 01:00 PM MST
Extended Forecast for

28 Miles SSW Shoup ID

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 30. West southwest wind 3 to 5 mph.

    High: 30 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 12. West wind 5 to 7 mph becoming north in the evening.

    Low: 12 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 21. North wind 5 to 10 mph.

    High: 21 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 2. Wind chill values as low as -5. North wind 5 to 9 mph becoming light and variable  in the evening.

    Low: 2 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 18. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 18 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 2.

    Low: 2 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 25.

    High: 25 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 30. West southwest wind 3 to 5 mph.
Tonight
Mostly cloudy, with a low around 12. West wind 5 to 7 mph becoming north in the evening.
Friday
Mostly sunny, with a high near 21. North wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 2. Wind chill values as low as -5. North wind 5 to 9 mph becoming light and variable in the evening.
Saturday
Sunny, with a high near 18. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 2.
Sunday
Sunny, with a high near 25.
Sunday Night
Mostly clear, with a low around 10.
Monday
Mostly sunny, with a high near 29.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 30.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Partly sunny, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
28 Miles SSW Shoup ID
 45°N 114.5°W (Elev. 7444 ft)
1:02 pm MST Jan 22, 2026
1pm MST Jan 22, 2026-6pm MST Jan 28, 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