National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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.

Mostly Cloudy

27°F

-3°C

Humidity 86%
Wind Speed N 4 MPH
Barometer 29.38 in (994.92 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 18 Feb 01:35 AM MST
Extended Forecast for

9 Miles NNW Mackay ID

  • Overnight

    Overnight: Snow, mainly before 5am. The snow could be heavy at times. Low around 3. Wind chill values as low as -14. South southwest wind 16 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 3 °F

    Heavy Snow

  • 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 -14. West southwest wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 9 °F

    Slight Chance
    Snow then
    Heavy Snow

  • 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 -5. Wind chill values as low as -27. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 28 mph. New snow accumulation of 1 to 2 inches possible.

    Low: -5 °F

    Chance Snow
    and Blustery

  • Thursday

    Thursday: A 40 percent chance of snow. Partly sunny and cold, with a high near 5. Wind chill values as low as -26. South southwest wind 13 to 16 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.

    High: 5 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around -6. West wind 10 to 16 mph, with gusts as high as 21 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 7. Little or no snow accumulation expected.

    High: 7 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around -6.

    Low: -6 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and cold, with a high near 9.

    High: 9 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow, mainly before 5am. The snow could be heavy at times. Low around 3. Wind chill values as low as -14. South southwest wind 16 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 3 to 5 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 -14. West southwest wind 14 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 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 -5. Wind chill values as low as -27. Blustery, with a northwest wind 17 to 22 mph, with gusts as high as 28 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 5. Wind chill values as low as -26. South southwest wind 13 to 16 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 -6. West wind 10 to 16 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, mainly after 11am. Partly sunny and cold, with a high near 7. Little or no snow accumulation expected.
Friday Night
Mostly clear, with a low around -6.
Saturday
Sunny and cold, with a high near 9.
Saturday Night
Mostly cloudy, with a low around 1.
Sunday
Partly sunny, with a high near 16.
Sunday Night
A 20 percent chance of snow. Partly cloudy, with a low around 9.
Monday
A 50 percent chance of snow. Partly sunny, with a high near 21.
Monday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 11. Chance of precipitation is 70%.
Tuesday
Snow likely. Mostly cloudy, with a high near 19. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNW Mackay ID
 44.05°N 113.65°W (Elev. 11194 ft)
Last Update:
11:46 pm MST Feb 17, 2026
Forecast Valid:
1am MST Feb 18, 2026-6pm MST Feb 24, 2026
 
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Additional Resources

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Chance of Precipitation