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.

Overcast

28°F

-2°C

Humidity 86%
Wind Speed SE 3 MPH
Barometer 29.37 in (994.58 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 18 Feb 10:30 AM MST
Extended Forecast for

13 Miles NNW Mackay ID

  • Today

    Today: Snow likely, mainly after 3pm. The snow could be heavy at times.  Mostly cloudy and cold, with a high near 9. Wind chill values as low as -12. West northwest wind 14 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 3 inches possible.

    High: 9 °F

    Mostly Cloudy
    then Heavy
    Snow

  • Tonight

    Tonight: A 30 percent chance of snow, mainly between 11pm and 3am.  Cloudy, then gradually becoming partly cloudy, with a low around -5. Wind chill values as low as -24. Northwest wind 14 to 18 mph, with gusts as high as 28 mph.  New snow accumulation of 1 to 2 inches possible.

    Low: -5 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow.  Partly sunny and cold, with a high near 6. Wind chill values as low as -24. South southwest wind 11 to 14 mph, with gusts as high as 22 mph.  New snow accumulation of less than a half inch possible.

    High: 6 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around -5. Wind chill values as low as -22. West southwest wind 10 to 14 mph, with gusts as high as 22 mph.  New snow accumulation of less than a half inch possible.

    Low: -5 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly after 11am.  Partly sunny and cold, with a high near 8. West wind 10 to 13 mph, with gusts as high as 21 mph.  Little or no snow accumulation expected.

    High: 8 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around -6.

    Low: -6 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 12.

    High: 12 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 18.

    High: 18 °F

    Partly Sunny

Detailed Forecast

Today
Snow likely, mainly after 3pm. The snow could be heavy at times. Mostly cloudy and cold, with a high near 9. Wind chill values as low as -12. West northwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
A 30 percent chance of snow, mainly between 11pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around -5. Wind chill values as low as -24. Northwest wind 14 to 18 mph, with gusts as high as 28 mph. New snow accumulation of 1 to 2 inches possible.
Thursday
A 30 percent chance of snow. Partly sunny and cold, with a high near 6. Wind chill values as low as -24. South southwest wind 11 to 14 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around -5. Wind chill values as low as -22. West southwest wind 10 to 14 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow, mainly after 11am. Partly sunny and cold, with a high near 8. West wind 10 to 13 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.
Friday Night
Mostly clear, with a low around -6.
Saturday
Sunny, with a high near 12.
Saturday Night
Mostly cloudy, with a low around 2.
Sunday
Partly sunny, with a high near 18.
Sunday Night
A 20 percent chance of snow. Partly cloudy, with a low around 9.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 23.
Monday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 12. Chance of precipitation is 70%.
Tuesday
Snow likely. Mostly cloudy, with a high near 20. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
10:31 am MST Feb 18, 2026
10am 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