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

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Overcast

14°F

-10°C

Humidity 78%
Wind Speed S 3 MPH
Barometer 30.41 in (1029.8 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 27 Jan 03:00 AM MST
Extended Forecast for

31 Miles WNW Challis ID

  • Overnight

    Overnight: Partly cloudy, with a low around 14. West southwest wind around 11 mph.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27. Southwest wind 7 to 10 mph.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19. South southeast wind 9 to 13 mph.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of snow. Mostly cloudy, with a high near 23. West wind 9 to 13 mph. Little or no snow accumulation expected.

    High: 23 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 15. South southwest wind around 10 mph.

    Low: 15 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of snow, mainly after 11am. Mostly cloudy, with a high near 31.

    High: 31 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 14. West southwest wind around 11 mph.
Tuesday
Mostly sunny, with a high near 27. Southwest wind 7 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 19. South southeast wind 9 to 13 mph.
Wednesday
A 40 percent chance of snow. Mostly cloudy, with a high near 23. West wind 9 to 13 mph. Little or no snow accumulation expected.
Wednesday Night
Mostly cloudy, with a low around 15. South southwest wind around 10 mph.
Thursday
Mostly cloudy, with a high near 25.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
A chance of snow, mainly after 11am. Mostly cloudy, with a high near 31.
Friday Night
Mostly cloudy, with a low around 24.
Saturday
Partly sunny, with a high near 32.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 35.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Monday
A chance of snow. Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
31 Miles WNW Challis ID
 44.76°N 114.76°W (Elev. 9058 ft)
Last Update:
2:07 am MST Jan 27, 2026
Forecast Valid:
3am MST Jan 27, 2026-6pm MST Feb 2, 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