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.

Clear

17°F

-8°C

Humidity 63%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 21 Feb 02:55 AM MST
Extended Forecast for

7 Miles NNE Mackay ID

  • Overnight

    Overnight: Partly cloudy, with a low around -4. Wind chill values as low as -22. West wind around 14 mph.

    Low: -4 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 11. Wind chill values as low as -20. South southwest wind 14 to 21 mph, with gusts as high as 25 mph.

    High: 11 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 5. Wind chill values as low as -12. South southwest wind 14 to 18 mph, with gusts as high as 21 mph.

    Low: 5 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 18. Wind chill values as low as -10. South wind 14 to 17 mph, with gusts as high as 23 mph.

    High: 18 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 9. South wind around 17 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 9 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow after 11pm.  Mostly cloudy, with a low around 18. Breezy.  New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: Snow.  High near 23. Breezy.  Chance of precipitation is 80%.

    High: 23 °F

    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow, mainly before 11pm.  Low around 12. Breezy.  Chance of precipitation is 80%.

    Low: 12 °F

    Breezy. Snow
    then Chance
    Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around -4. Wind chill values as low as -22. West wind around 14 mph.
Saturday
Mostly sunny, with a high near 11. Wind chill values as low as -20. South southwest wind 14 to 21 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 5. Wind chill values as low as -12. South southwest wind 14 to 18 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 18. Wind chill values as low as -10. South wind 14 to 17 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 9. South wind around 17 mph becoming west after midnight. Winds could gust as high as 22 mph.
Monday
Partly sunny, with a high near 22.
Monday Night
A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 18. Breezy. New snow accumulation of less than a half inch possible.
Tuesday
Snow. High near 23. Breezy. Chance of precipitation is 80%.
Tuesday Night
Snow, mainly before 11pm. Low around 12. Breezy. Chance of precipitation is 80%.
Wednesday
A 30 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 17. Breezy.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 7. Breezy.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 21.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 12. Breezy.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 23. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE Mackay ID
 44.01°N 113.58°W (Elev. 10722 ft)
11:31 pm MST Feb 20, 2026
3am MST Feb 21, 2026-6pm MST Feb 27, 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