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

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

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

18°F

-8°C

Humidity 72%
Wind Speed N 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 28 Jan 03:35 AM MST
Extended Forecast for

22 Miles SE Challis ID

  • Overnight

    Overnight: Mostly cloudy, with a low around 14. Wind chill values as low as -2. South southwest wind around 17 mph.

    Low: 14 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow, mainly before noon. The snow could be heavy at times. Mostly cloudy, with a high near 17. Wind chill values as low as zero. Southwest wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. New snow accumulation of 1 to 3 inches possible.

    High: 17 °F

    Heavy Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8. Wind chill values as low as -7. West northwest wind around 14 mph.

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 19. Wind chill values as low as -7. West wind 10 to 13 mph.

    High: 19 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 13. West southwest wind around 10 mph.

    Low: 13 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 27.

    High: 27 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 14. Wind chill values as low as -2. South southwest wind around 17 mph.
Wednesday
A 30 percent chance of snow, mainly before noon. The snow could be heavy at times. Mostly cloudy, with a high near 17. Wind chill values as low as zero. Southwest wind around 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Partly cloudy, with a low around 8. Wind chill values as low as -7. West northwest wind around 14 mph.
Thursday
Partly sunny, with a high near 19. Wind chill values as low as -7. West wind 10 to 13 mph.
Thursday Night
Mostly cloudy, with a low around 13. West southwest wind around 10 mph.
Friday
Mostly cloudy, with a high near 25.
Friday Night
Mostly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles SE Challis ID
 44.28°N 113.9°W (Elev. 10587 ft)
Last Update:
1:06 am MST Jan 28, 2026
Forecast Valid:
3am MST Jan 28, 2026-6pm MST Feb 3, 2026
 
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Additional Resources

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Chance of Precipitation