Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Mostly Cloudy

27°F

-3°C

Humidity 42%
Wind Speed N 0 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 20 Feb 12:35 PM MST
Extended Forecast for

16 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: A 20 percent chance of snow before 1pm.  Partly sunny and cold, with a high near 5. Wind chill values as low as -17. West northwest wind 15 to 17 mph, with gusts as high as 26 mph.

    High: 5 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Partly cloudy, with a low around -2. Wind chill values as low as -21. Northwest wind around 14 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.

    Low: -2 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 13. Wind chill values as low as -19. South southwest wind 14 to 18 mph, with gusts as high as 26 mph.

    High: 13 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 7. Wind chill values as low as -12. South wind around 18 mph, with gusts as high as 26 mph.

    Low: 7 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 21. South southeast wind around 18 mph, with gusts as high as 25 mph.

    High: 21 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 20. Breezy.

    Low: 20 °F

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: Snow.  High near 24. Breezy.  Chance of precipitation is 90%.

    High: 24 °F

    Snow and
    Breezy

Detailed Forecast

This Afternoon
A 20 percent chance of snow before 1pm. Partly sunny and cold, with a high near 5. Wind chill values as low as -17. West northwest wind 15 to 17 mph, with gusts as high as 26 mph.
Tonight
Partly cloudy, with a low around -2. Wind chill values as low as -21. Northwest wind around 14 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.
Saturday
Increasing clouds, with a high near 13. Wind chill values as low as -19. South southwest wind 14 to 18 mph, with gusts as high as 26 mph.
Saturday Night
Mostly cloudy, with a low around 7. Wind chill values as low as -12. South wind around 18 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 21. South southeast wind around 18 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 11.
Monday
Partly sunny, with a high near 25.
Monday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 20. Breezy.
Tuesday
Snow. High near 24. Breezy. Chance of precipitation is 90%.
Tuesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 12. Breezy. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of snow. Partly sunny, with a high near 18. Breezy.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 8.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 22.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNW Mackay ID
 44.1°N 113.78°W (Elev. 10531 ft)
12:26 pm MST Feb 20, 2026
12pm MST Feb 20, 2026-6pm MST Feb 26, 2026
 
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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