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

Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Clear

16°F

-9°C

Humidity 78%
Wind Speed N 3 MPH
Barometer 30.55 in (1034.54 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 30 Dec 09:05 AM MST
Extended Forecast for

Challis ID

  • Today

    Today: Sunny, with a high near 31. Calm wind.

    High: 31 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 14. Calm wind.

    Low: 14 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 36. Calm wind.

    High: 36 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A slight chance of rain and snow before 11am, then a slight chance of rain. Mostly cloudy, with a high near 41. Calm wind. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain before 11am. Mostly cloudy, with a high near 46.

    High: 46 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of rain before 8am, then a chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 40%.

    High: 43 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 31. Calm wind.
Tonight
Mostly clear, with a low around 14. Calm wind.
Wednesday
Partly sunny, with a high near 36. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 22. Calm wind.
New Year's Day
A slight chance of rain and snow before 11am, then a slight chance of rain. Mostly cloudy, with a high near 41. Calm wind. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
A 20 percent chance of rain before 11am. Mostly cloudy, with a high near 46.
Friday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 31.
Saturday
A chance of rain before 8am, then a chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 40%.
Saturday Night
A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Mostly cloudy, with a low around 22. Chance of precipitation is 20%.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 38.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Challis ID
 44.51°N 114.22°W (Elev. 5151 ft)
Last Update:
4:31 am MST Dec 30, 2025
Forecast Valid:
9am MST Dec 30, 2025-6pm MST Jan 5, 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