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

26°F

-3°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 29.34 in (993.57 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 18 Feb 03:55 AM MST
Extended Forecast for

22 Miles NNW Mackay ID

  • Overnight

    Overnight: Snow likely, mainly before 5am.  Mostly cloudy, with a low around 6. Wind chill values as low as -10. South southwest wind around 16 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 6 °F

    Snow Likely

  • Wednesday

    Wednesday: 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 -13. Southwest wind 13 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.  Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

    High: 9 °F

    Slight Chance
    Snow then
    Heavy Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow between 11pm and 4am.  Cloudy, then gradually becoming partly cloudy, with a low around -3. Wind chill values as low as -22. West northwest wind 14 to 18 mph, with gusts as high as 26 mph.  New snow accumulation of 1 to 2 inches possible.

    Low: -3 °F

    Chance Snow

  • Thursday

    Thursday: A 40 percent chance of snow.  Partly sunny and cold, with a high near 7. Wind chill values as low as -22. West southwest wind around 14 mph, with gusts as high as 22 mph.  New snow accumulation of less than a half inch possible.

    High: 7 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around -4. Southwest wind 10 to 15 mph, with gusts as high as 21 mph.  New snow accumulation of less than a half inch possible.

    Low: -4 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow after 11am.  Partly sunny and cold, with a high near 8. Little or no snow accumulation expected.

    High: 8 °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 12.

    High: 12 °F

    Sunny

  • Saturday Night

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

    Low: 3 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow likely, mainly before 5am. Mostly cloudy, with a low around 6. Wind chill values as low as -10. South southwest wind around 16 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 1 to 2 inches possible.
Wednesday
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 -13. Southwest wind 13 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
A 50 percent chance of snow between 11pm and 4am. Cloudy, then gradually becoming partly cloudy, with a low around -3. Wind chill values as low as -22. West northwest wind 14 to 18 mph, with gusts as high as 26 mph. New snow accumulation of 1 to 2 inches possible.
Thursday
A 40 percent chance of snow. Partly sunny and cold, with a high near 7. Wind chill values as low as -22. West southwest wind around 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 -4. Southwest wind 10 to 15 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow after 11am. Partly sunny and cold, with a high near 8. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around -5.
Saturday
Sunny, with a high near 12.
Saturday Night
Mostly cloudy, with a low around 3.
Sunday
Partly sunny, with a high near 19.
Sunday Night
A 20 percent chance of snow. Partly cloudy, with a low around 11.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 23.
Monday Night
Snow likely. Mostly cloudy, with a low around 13. 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:
22 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
11:46 pm MST Feb 17, 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