Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Mostly Cloudy

25°F

-4°C

Humidity 85%
Wind Speed N 0 MPH
Barometer 29.33 in (993.23 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 18 Feb 07:20 AM MST
Extended Forecast for

21 Miles N Mackay ID

  • Today

    Today: Snow likely, mainly after 3pm.  Mostly cloudy, with a high near 21. South southwest wind 6 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 21 °F

    Mostly Cloudy
    then Snow
    Likely

  • Tonight

    Tonight: A 50 percent chance of snow, mainly before 2am.  Cloudy, then gradually becoming partly cloudy, with a low around 4. Wind chill values as low as -4. West northwest wind 6 to 13 mph, with gusts as high as 18 mph.  New snow accumulation of around an inch possible.

    Low: 4 °F

    Chance Snow

  • Thursday

    Thursday: A 40 percent chance of snow.  Partly sunny, with a high near 17. Wind chill values as low as -7. West southwest wind 6 to 8 mph becoming south in the afternoon.  Little or no snow accumulation expected.

    High: 17 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 3. Wind chill values as low as -6. South southeast wind 5 to 9 mph becoming west southwest after midnight.  Little or no snow accumulation expected.

    Low: 3 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly after 11am.  Partly sunny, with a high near 17. West wind 5 to 8 mph.  Little or no snow accumulation expected.

    High: 17 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around 1.

    Low: 1 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 22.

    High: 22 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

Detailed Forecast

Today
Snow likely, mainly after 3pm. Mostly cloudy, with a high near 21. South southwest wind 6 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
A 50 percent chance of snow, mainly before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 4. Wind chill values as low as -4. West northwest wind 6 to 13 mph, with gusts as high as 18 mph. New snow accumulation of around an inch possible.
Thursday
A 40 percent chance of snow. Partly sunny, with a high near 17. Wind chill values as low as -7. West southwest wind 6 to 8 mph becoming south in the afternoon. Little or no snow accumulation expected.
Thursday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 3. Wind chill values as low as -6. South southeast wind 5 to 9 mph becoming west southwest after midnight. Little or no snow accumulation expected.
Friday
A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 17. West wind 5 to 8 mph. Little or no snow accumulation expected.
Friday Night
Mostly clear, with a low around 1.
Saturday
Sunny, with a high near 22.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Partly sunny, with a high near 28.
Sunday Night
A 20 percent chance of snow after 11pm. Partly cloudy, with a low around 17.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 32.
Monday Night
Snow likely. Mostly cloudy, with a low around 19. Chance of precipitation is 70%.
Tuesday
Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles N Mackay ID
 44.22°N 113.62°W (Elev. 7218 ft)
4:31 am MST Feb 18, 2026
7am MST Feb 18, 2026-6pm MST Feb 24, 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