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

28°F

-2°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 21 Jan 01:30 PM MST
Extended Forecast for

25 Miles SW Salmon ID

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 26. West northwest wind around 7 mph.

    High: 26 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 13. West northwest wind 7 to 9 mph.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 23. Northwest wind 6 to 8 mph.

    High: 23 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 7. Wind chill values as low as -4. West northwest wind around 8 mph.

    Low: 7 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 14. West northwest wind 9 to 14 mph, with gusts as high as 22 mph.

    High: 14 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around -1.

    Low: -1 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 15.

    High: 15 °F

    Sunny

  • Saturday Night

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

    Low: 5 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 19.

    High: 19 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 26. West northwest wind around 7 mph.
Tonight
Partly cloudy, with a low around 13. West northwest wind 7 to 9 mph.
Thursday
Partly sunny, with a high near 23. Northwest wind 6 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 7. Wind chill values as low as -4. West northwest wind around 8 mph.
Friday
Mostly sunny, with a high near 14. West northwest wind 9 to 14 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around -1.
Saturday
Sunny, with a high near 15.
Saturday Night
Mostly clear, with a low around 5.
Sunday
Sunny, with a high near 19.
Sunday Night
Mostly clear, with a low around 7.
Monday
Mostly sunny, with a high near 22.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
Mostly sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles SW Salmon ID
 44.88°N 114.21°W (Elev. 8983 ft)
1:01 pm MST Jan 21, 2026
1pm 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