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

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

27°F

-3°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 29.35 in (993.91 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 18 Feb 04:20 AM MST
Extended Forecast for

25 Miles N Mackay ID

  • Overnight

    Overnight: Snow likely, mainly before 5am.  Mostly cloudy, with a low around 11. Wind chill values as low as -2. South wind around 13 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.

    Low: 11 °F

    Snow Likely

  • Wednesday

    Wednesday: A chance of snow before 8am, then snow likely after 1pm.  Mostly cloudy, with a high near 16. Wind chill values as low as -3. Southwest wind 9 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 16 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow, mainly before 2am.  Mostly cloudy, with a low around 3. Wind chill values as low as -11. West northwest wind 10 to 16 mph, with gusts as high as 21 mph.  New snow accumulation of less than one inch possible.

    Low: 3 °F

    Chance Snow

  • Thursday

    Thursday: A 40 percent chance of snow.  Partly sunny, with a high near 12. Wind chill values as low as -12. West wind around 10 mph becoming south in the afternoon.  New snow accumulation of less than a half inch possible.

    High: 12 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 1. South southeast wind 8 to 10 mph becoming west southwest after midnight.  Little or no snow accumulation expected.

    Low: 1 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly after 11am.  Partly sunny, with a high near 14. Little or no snow accumulation expected.

    High: 14 °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 17.

    High: 17 °F

    Sunny

  • Saturday Night

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

    Low: 9 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow likely, mainly before 5am. Mostly cloudy, with a low around 11. Wind chill values as low as -2. South wind around 13 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.
Wednesday
A chance of snow before 8am, then snow likely after 1pm. Mostly cloudy, with a high near 16. Wind chill values as low as -3. Southwest wind 9 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
A 50 percent chance of snow, mainly before 2am. Mostly cloudy, with a low around 3. Wind chill values as low as -11. West northwest wind 10 to 16 mph, with gusts as high as 21 mph. New snow accumulation of less than one inch possible.
Thursday
A 40 percent chance of snow. Partly sunny, with a high near 12. Wind chill values as low as -12. West wind around 10 mph becoming south in the afternoon. 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 1. South southeast wind 8 to 10 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 14. Little or no snow accumulation expected.
Friday Night
Mostly clear, with a low around 1.
Saturday
Sunny, with a high near 17.
Saturday Night
Mostly cloudy, with a low around 9.
Sunday
Partly sunny, with a high near 24.
Sunday Night
A 20 percent chance of snow. Partly cloudy, with a low around 16.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 28.
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 26. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
25 Miles N Mackay ID
 44.27°N 113.57°W (Elev. 8852 ft)
4:31 am MST Feb 18, 2026
4am 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