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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

35°F

2°C

Humidity 33%
Wind Speed S 14 MPH
Barometer 29.47 in (997.97 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 17 Feb 04:55 PM MST
Extended Forecast for

21 Miles NNW Mackay ID

  • This Afternoon

    This Afternoon: A 20 percent chance of snow. Mostly sunny and cold, with a steady temperature around 9. Wind chill values as low as -12. Breezy, with a south southwest wind around 24 mph, with gusts as high as 34 mph.

    High: 9 °F

    Slight Chance
    Snow and
    Breezy

  • Tonight

    Tonight: Snow likely, mainly after 1am. Mostly cloudy, with a low around 5. Wind chill values as low as -13. Breezy, with a south southwest wind 20 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 5 °F

    Snow Likely
    and Breezy

  • Wednesday

    Wednesday: Snow likely, mainly after 4pm. The snow could be heavy at times. Mostly cloudy and cold, with a steady temperature around 7. Wind chill values as low as -14. Breezy, with a west wind 17 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 7 °F

    Heavy Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around -4. Wind chill values as low as -26. Blustery, with a west northwest wind 21 to 24 mph, with gusts as high as 34 mph. New snow accumulation of 1 to 2 inches possible.

    Low: -4 °F

    Chance Snow
    and Blustery

  • Thursday

    Thursday: A 40 percent chance of snow. Partly sunny and cold, with a high near 8. South southwest wind around 16 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.

    High: 8 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around -3. New snow accumulation of less than a half inch possible.

    Low: -3 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow, mainly 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 -3.

    Low: -3 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 13.

    High: 13 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of snow. Mostly sunny and cold, with a steady temperature around 9. Wind chill values as low as -12. Breezy, with a south southwest wind around 24 mph, with gusts as high as 34 mph.
Tonight
Snow likely, mainly after 1am. Mostly cloudy, with a low around 5. Wind chill values as low as -13. Breezy, with a south southwest wind 20 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Wednesday
Snow likely, mainly after 4pm. The snow could be heavy at times. Mostly cloudy and cold, with a steady temperature around 7. Wind chill values as low as -14. Breezy, with a west wind 17 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around -4. Wind chill values as low as -26. Blustery, with a west northwest wind 21 to 24 mph, with gusts as high as 34 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 8. South southwest wind around 16 mph, with gusts as high as 25 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 -3. 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 8. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around -3.
Saturday
Sunny, with a high near 13.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 20.
Sunday Night
A 30 percent chance of snow. Partly cloudy, with a low around 12.
Monday
Snow likely. Mostly cloudy, with a high near 23. Chance of precipitation is 60%.
Monday Night
Snow likely. Mostly cloudy, with a low around 15. Chance of precipitation is 70%.
Tuesday
Snow likely. Mostly cloudy, with a high near 22. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
Last Update:
4:31 pm MST Feb 17, 2026
Forecast Valid:
5pm MST Feb 17, 2026-6pm MST Feb 24, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation