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

19°F

-7°C

Humidity 57%
Wind Speed N 0 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Last update 21 Feb 01:05 AM MST
Extended Forecast for

21 Miles NNW Mackay ID

  • Overnight

    Overnight: Partly cloudy, with a low around -1. Wind chill values as low as -19. Southwest wind around 14 mph.

    Low: -1 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 16. Wind chill values as low as -16. Southwest wind 15 to 18 mph, with gusts as high as 28 mph.

    High: 16 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 9. Wind chill values as low as -8. South southwest wind around 20 mph, with gusts as high as 25 mph.

    Low: 9 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 23. Wind chill values as low as -6. South wind around 18 mph, with gusts as high as 25 mph.

    High: 23 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 13. South wind around 18 mph, with gusts as high as 24 mph.

    Low: 13 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow after 11pm.  Cloudy, with a low around 21. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow.  High near 26. Chance of precipitation is 90%.

    High: 26 °F

    Snow

  • Tuesday Night

    Tuesday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 16. Breezy.  Chance of precipitation is 70%.

    Low: 16 °F

    Snow Likely
    and Breezy

Detailed Forecast

Overnight
Partly cloudy, with a low around -1. Wind chill values as low as -19. Southwest wind around 14 mph.
Saturday
Mostly sunny, with a high near 16. Wind chill values as low as -16. Southwest wind 15 to 18 mph, with gusts as high as 28 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 9. Wind chill values as low as -8. South southwest wind around 20 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 23. Wind chill values as low as -6. South wind around 18 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 13. South wind around 18 mph, with gusts as high as 24 mph.
Monday
Partly sunny, with a high near 27.
Monday Night
A 40 percent chance of snow after 11pm. Cloudy, with a low around 21. New snow accumulation of less than a half inch possible.
Tuesday
Snow. High near 26. Chance of precipitation is 90%.
Tuesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 16. Breezy. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 20. Breezy.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 10. Breezy.
Thursday
A 20 percent chance of snow. Mostly sunny, with a high near 24. Breezy.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 15. Breezy.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 26. Breezy.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
11:31 pm MST Feb 20, 2026
1am 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