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

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

Challis - Challis Airport (KLLJ)

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

Clear

16°F

-9°C

Humidity 78%
Wind Speed S 4 MPH
Barometer 30.53 in (1033.86 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 30 Dec 01:20 AM MST
Extended Forecast for

Challis ID

  • Overnight

    Overnight: Partly cloudy, with a low around 11. Calm wind.

    Low: 11 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Calm wind.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17. Calm wind.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 41. Calm wind.

    High: 41 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 42.

    High: 42 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 11. Calm wind.
Tuesday
Mostly sunny, with a high near 37. Calm wind.
Tuesday Night
Mostly clear, with a low around 17. Calm wind.
Wednesday
Mostly sunny, with a high near 41. Calm wind.
Wednesday Night
Mostly cloudy, with a low around 28. Calm wind.
New Year's Day
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Mostly cloudy, with a high near 45.
Friday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 28.
Saturday
A chance of rain and snow. Partly sunny, with a high near 43. Chance of precipitation is 30%.
Saturday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 23. Chance of precipitation is 20%.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 39.
Sunday Night
A 20 percent chance of snow. Partly cloudy, with a low around 19.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Challis ID
 44.53°N 114.23°W (Elev. 5184 ft)
Last Update:
10:31 pm MST Dec 29, 2025
Forecast Valid:
1am 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