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

36°F

2°C

Humidity 29%
Wind Speed W 14 MPH
Barometer 29.42 in (996.28 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 18 Feb 03:05 PM MST
Extended Forecast for

16 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: A 40 percent chance of snow.  Mostly cloudy and cold, with a steady temperature around 7. Wind chill values as low as -14. West northwest wind 18 to 20 mph, with gusts as high as 29 mph.  Total daytime snow accumulation of 1 to 2 inches possible.

    High: 7 °F

    Chance Snow

  • Tonight

    Tonight: A 50 percent chance of snow, mainly before 2am.  Cloudy, then gradually becoming partly cloudy, with a low around -6. Wind chill values as low as -25. Northwest wind 14 to 20 mph, with gusts as high as 26 mph.  New snow accumulation of 1 to 2 inches possible.

    Low: -6 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow, mainly between 1pm and 4pm.  Mostly sunny and cold, with a high near 5. Wind chill values as low as -25. Northwest wind 11 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph.  Little or no snow accumulation expected.

    High: 5 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 11pm.  Mostly cloudy, with a low around -6. Wind chill values as low as -25. West southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    Low: -6 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of snow after 11am.  Partly sunny and cold, with a high near 6. West wind 11 to 14 mph, with gusts as high as 22 mph.  Little or no snow accumulation expected.

    High: 6 °F

    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around -5.

    Low: -5 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 11.

    High: 11 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 3.

    Low: 3 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 18.

    High: 18 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of snow. Mostly cloudy and cold, with a steady temperature around 7. Wind chill values as low as -14. West northwest wind 18 to 20 mph, with gusts as high as 29 mph. 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 -6. Wind chill values as low as -25. Northwest wind 14 to 20 mph, with gusts as high as 26 mph. New snow accumulation of 1 to 2 inches possible.
Thursday
A 30 percent chance of snow, mainly between 1pm and 4pm. Mostly sunny and cold, with a high near 5. Wind chill values as low as -25. Northwest wind 11 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph. Little or no snow accumulation expected.
Thursday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around -6. Wind chill values as low as -25. West southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Friday
A 30 percent chance of snow after 11am. Partly sunny and cold, with a high near 6. West wind 11 to 14 mph, with gusts as high as 22 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around -5.
Saturday
Sunny, with a high near 11.
Saturday Night
Mostly cloudy, with a low around 3.
Sunday
Mostly sunny, with a high near 18.
Sunday Night
Partly cloudy, with a low around 10.
Monday
A 30 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 14. Breezy. Chance of precipitation is 60%.
Tuesday
Snow likely. Mostly cloudy, with a high near 20. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 9.
Wednesday
A 50 percent chance of snow. Partly sunny, with a high near 18.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNW Mackay ID
 44.1°N 113.78°W (Elev. 10531 ft)
11:46 am MST Feb 18, 2026
3pm 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