Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

Salmon, Lemhi County Airport (KSMN)

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

Clear

10°F

-12°C

Humidity 75%
Wind Speed SSE 4 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 28 Dec 02:56 AM MST
Extended Forecast for

31 Miles WNW Challis ID

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 31. South southeast wind 5 to 9 mph becoming light and variable.

    High: 31 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 25. South wind 8 to 10 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 34. Southwest wind 6 to 10 mph.

    High: 34 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 24. South southwest wind 7 to 10 mph.

    Low: 24 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 40 percent chance of snow.  Cloudy, with a high near 28. Southwest wind 8 to 10 mph.  New snow accumulation of less than one inch possible.

    High: 28 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 26. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow.  Mostly cloudy, with a high near 31. New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely.  Mostly cloudy, with a high near 28.

    High: 28 °F

    Snow Likely

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 31. South southeast wind 5 to 9 mph becoming light and variable.
Tonight
Increasing clouds, with a low around 25. South wind 8 to 10 mph.
Wednesday
Partly sunny, with a high near 34. Southwest wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 24. South southwest wind 7 to 10 mph.
New Year's Day
A 40 percent chance of snow. Cloudy, with a high near 28. Southwest wind 8 to 10 mph. New snow accumulation of less than one inch possible.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26. New snow accumulation of less than one inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 31. New snow accumulation of less than a half inch possible.
Friday Night
A chance of snow, mainly after 11pm. Mostly cloudy, with a low around 26.
Saturday
Snow likely. Mostly cloudy, with a high near 28.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 19.
Sunday
A chance of snow. Partly sunny, with a high near 24.
Sunday Night
A slight chance of snow. Mostly cloudy, with a low around 16.
Monday
A chance of snow. Partly sunny, with a high near 24.
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ABOUT THIS FORECAST

 
Point Forecast:
31 Miles WNW Challis ID
 44.76°N 114.76°W (Elev. 9058 ft)
1:03 am MST Dec 30, 2025
4am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database