Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Overcast

25°F

-4°C

Humidity 79%
Wind Speed NW 3 MPH
Barometer 30.45 in (1031.16 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 29 Jan 09:20 AM MST
Extended Forecast for

28 Miles SSW Shoup ID

  • Today

    Today: A slight chance of snow between 2pm and 4pm.  Mostly cloudy, with a high near 30. Southwest wind 5 to 7 mph.  Chance of precipitation is 20%.

    High: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around 23. West southwest wind around 5 mph.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 36. Southwest wind 5 to 9 mph.

    High: 36 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. Southwest wind around 8 mph.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 39. South southwest wind around 6 mph.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow.  Partly sunny, with a high near 34.

    High: 34 °F

    Slight Chance
    Snow

Detailed Forecast

Today
A slight chance of snow between 2pm and 4pm. Mostly cloudy, with a high near 30. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 23. West southwest wind around 5 mph.
Friday
Mostly cloudy, with a high near 36. Southwest wind 5 to 9 mph.
Friday Night
Mostly cloudy, with a low around 23. Southwest wind around 8 mph.
Saturday
Mostly sunny, with a high near 39. South southwest wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 26.
Monday
A slight chance of snow. Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Sunny, with a high near 40.
Basemap Options
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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 29, 2026
9am MST Jan 29, 2026-6pm MST Feb 4, 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