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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.

Partly Cloudy

19°F

-7°C

Humidity 62%
Wind Speed N 3 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 21 Feb 12:20 AM MST
Extended Forecast for

22 Miles NNW Mackay ID

  • Overnight

    Overnight: Mostly cloudy, with a low around -2. Wind chill values as low as -21. Southwest wind around 16 mph.

    Low: -2 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 14. Wind chill values as low as -18. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 28 mph.

    High: 14 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 8. Wind chill values as low as -11. Breezy, with a south southwest wind around 23 mph, with gusts as high as 29 mph.

    Low: 8 °F

    Mostly Cloudy
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 22. Wind chill values as low as -10. Breezy, with a south wind 20 to 23 mph, with gusts as high as 26 mph.

    High: 22 °F

    Sunny and
    Breezy then
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13. Breezy, with a south wind around 22 mph, with gusts as high as 26 mph.

    Low: 13 °F

    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Partly sunny, with a high near 25.

    High: 25 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow after 11pm. Cloudy, with a low around 20. Breezy. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: Snow. High near 24. Breezy. Chance of precipitation is 80%.

    High: 24 °F

    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 15. Breezy. Chance of precipitation is 70%.

    Low: 15 °F

    Snow Likely
    and Breezy

Detailed Forecast

Overnight
Mostly cloudy, with a low around -2. Wind chill values as low as -21. Southwest wind around 16 mph.
Saturday
Mostly sunny, with a high near 14. Wind chill values as low as -18. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 28 mph.
Saturday Night
Mostly cloudy, with a low around 8. Wind chill values as low as -11. Breezy, with a south southwest wind around 23 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 22. Wind chill values as low as -10. Breezy, with a south wind 20 to 23 mph, with gusts as high as 26 mph.
Sunday Night
Mostly cloudy, with a low around 13. Breezy, with a south wind around 22 mph, with gusts as high as 26 mph.
Monday
Partly sunny, with a high near 25.
Monday Night
A 40 percent chance of snow after 11pm. Cloudy, with a low around 20. Breezy. New snow accumulation of less than a half inch possible.
Tuesday
Snow. High near 24. Breezy. Chance of precipitation is 80%.
Tuesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 15. Breezy. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 19. Breezy.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 8. Breezy.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 23. Breezy.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 13. Breezy.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 24. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.2°N 113.8°W (Elev. 11401 ft)
Last Update:
11:31 pm MST Feb 20, 2026
Forecast Valid:
12am MST Feb 21, 2026-6pm MST Feb 27, 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