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

30°F

-1°C

Humidity 36%
Wind Speed WNW 13 MPH
Barometer 29.51 in (999.32 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 18 Feb 05:20 PM MST
Extended Forecast for

23 Miles NW Mackay ID

  • This Afternoon

    This Afternoon: A 40 percent chance of snow.  Mostly cloudy, with a steady temperature around 18. Northwest wind around 10 mph.  Total daytime snow accumulation of less than one inch possible.

    High: 18 °F

    Chance Snow

  • Tonight

    Tonight: A 50 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 5. North northwest wind 3 to 8 mph.  New snow accumulation of around an inch possible.

    Low: 5 °F

    Chance Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: A 20 percent chance of snow after 3pm.  Mostly sunny, with a high near 16. Wind chill values as low as zero. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 16 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 3. South wind around 5 mph becoming calm  in the evening.

    Low: 3 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow after 11am.  Partly sunny, with a high near 18. Calm wind becoming west around 5 mph in the afternoon.

    High: 18 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 22.

    High: 22 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of snow. Mostly cloudy, with a steady temperature around 18. Northwest wind around 10 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 5. North northwest wind 3 to 8 mph. New snow accumulation of around an inch possible.
Thursday
A 20 percent chance of snow after 3pm. Mostly sunny, with a high near 16. Wind chill values as low as zero. Calm wind becoming south southwest around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 3. South wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 18. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 2.
Saturday
Sunny, with a high near 22.
Saturday Night
Mostly cloudy, with a low around 12.
Sunday
Mostly sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 20.
Monday
A 30 percent chance of snow. Mostly sunny, with a high near 35.
Monday Night
Snow likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Tuesday
Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 17.
Wednesday
A 40 percent chance of snow. Partly sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
23 Miles NW Mackay ID
 44.17°N 113.88°W (Elev. 6821 ft)
4:31 pm MST Feb 18, 2026
5pm MST Feb 18, 2026-6pm MST Feb 25, 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