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 84%
Wind Speed N 0 MPH
Barometer 29.36 in (994.24 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 18 Feb 02:55 AM MST
Extended Forecast for

7 Miles NNE Mackay ID

  • Overnight

    Overnight: Snow, mainly before 4am. The snow could be heavy at times.  Low around 3. Wind chill values as low as -15. Southwest wind around 17 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of 4 to 8 inches possible.

    Low: 3 °F

    Heavy Snow

  • Wednesday

    Wednesday: Snow likely, mainly after 3pm.  Mostly cloudy and cold, with a high near 7. Wind chill values as low as -17. Blustery, with a west wind 15 to 22 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 7 °F

    Slight Chance
    Snow then
    Snow Likely
    and Blustery

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow, mainly between 11pm and 3am.  Cloudy, then gradually becoming partly cloudy, with a low around -6. Wind chill values as low as -29. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 29 mph.  New snow accumulation of less than one inch possible.

    Low: -6 °F

    Chance Snow
    and Blustery

  • Thursday

    Thursday: A 40 percent chance of snow.  Partly sunny and cold, with a high near 3. Wind chill values as low as -28. South southwest wind 14 to 18 mph, with gusts as high as 23 mph.  New snow accumulation of less than a half inch possible.

    High: 3 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow.  Mostly cloudy, with a low around -6. South wind 13 to 17 mph becoming west after midnight. Winds could gust as high as 22 mph.  New snow accumulation of less than a half inch possible.

    Low: -6 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly after 11am.  Partly sunny and cold, with a high near 5. Little or no snow accumulation expected.

    High: 5 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around -7.

    Low: -7 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and cold, with a high near 8.

    High: 8 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 0.

    Low: 0 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow, mainly before 4am. The snow could be heavy at times. Low around 3. Wind chill values as low as -15. Southwest wind around 17 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 4 to 8 inches possible.
Wednesday
Snow likely, mainly after 3pm. Mostly cloudy and cold, with a high near 7. Wind chill values as low as -17. Blustery, with a west wind 15 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
A 30 percent chance of snow, mainly between 11pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around -6. Wind chill values as low as -29. Blustery, with a northwest wind 20 to 25 mph, with gusts as high as 29 mph. New snow accumulation of less than one inch possible.
Thursday
A 40 percent chance of snow. Partly sunny and cold, with a high near 3. Wind chill values as low as -28. South southwest wind 14 to 18 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around -6. South wind 13 to 17 mph becoming west after midnight. Winds could gust 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 5. Little or no snow accumulation expected.
Friday Night
Mostly clear, with a low around -7.
Saturday
Sunny and cold, with a high near 8.
Saturday Night
Mostly cloudy, with a low around 0.
Sunday
Partly sunny, with a high near 15.
Sunday Night
A 20 percent chance of snow. Partly cloudy, with a low around 7.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 19.
Monday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 10. Chance of precipitation is 70%.
Tuesday
Snow likely. Mostly cloudy, with a high near 18. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE Mackay ID
 44.01°N 113.58°W (Elev. 10722 ft)
11:46 pm MST Feb 17, 2026
3am MST Feb 18, 2026-6pm MST Feb 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database