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.

Partly Cloudy

36°F

2°C

Humidity 29%
Wind Speed SW 18 MPH
Barometer 29.47 in (997.97 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 17 Feb 11:15 AM MST
Extended Forecast for

13 Miles NNW Mackay ID

  • Today

    Today: A 20 percent chance of snow after 4pm. Mostly sunny, with a high near 17. Wind chill values as low as -12. Breezy, with a south southwest wind around 22 mph, with gusts as high as 37 mph.

    High: 17 °F

    Slight Chance
    Snow and
    Breezy

  • Tonight

    Tonight: Snow likely, mainly after 9pm. Mostly cloudy, with a low around 3. Wind chill values as low as -13. Breezy, with a south southwest wind 18 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 3 °F

    Snow Likely
    and Breezy

  • Wednesday

    Wednesday: Snow likely, mainly after 4pm. Partly sunny and cold, with a high near 8. Wind chill values as low as -15. Blustery, with a west wind 16 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 8 °F

    Snow Likely
    and Blustery

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around -6. Wind chill values as low as -28. Blustery, with a west northwest wind 20 to 23 mph, with gusts as high as 33 mph. New snow accumulation of 1 to 3 inches possible.

    Low: -6 °F

    Chance Snow
    and Blustery

  • Thursday

    Thursday: A 40 percent chance of snow. Partly sunny and cold, with a high near 7. South southwest wind around 15 mph, with gusts as high as 25 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 -3. New snow accumulation of less than a half inch possible.

    Low: -3 °F

    Chance Snow

  • Friday

    Friday: A 20 percent chance of snow. Partly sunny and cold, with a high near 8.

    High: 8 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around -4.

    Low: -4 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 12.

    High: 12 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of snow after 4pm. Mostly sunny, with a high near 17. Wind chill values as low as -12. Breezy, with a south southwest wind around 22 mph, with gusts as high as 37 mph.
Tonight
Snow likely, mainly after 9pm. Mostly cloudy, with a low around 3. Wind chill values as low as -13. Breezy, with a south southwest wind 18 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
Snow likely, mainly after 4pm. Partly sunny and cold, with a high near 8. Wind chill values as low as -15. Blustery, with a west wind 16 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around -6. Wind chill values as low as -28. Blustery, with a west northwest wind 20 to 23 mph, with gusts as high as 33 mph. New snow accumulation of 1 to 3 inches possible.
Thursday
A 40 percent chance of snow. Partly sunny and cold, with a high near 7. South southwest wind around 15 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 20 percent chance of snow. Partly sunny and cold, with a high near 8.
Friday Night
Partly cloudy, with a low around -4.
Saturday
Sunny, with a high near 12.
Saturday Night
Mostly cloudy, with a low around 4.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 19.
Sunday Night
A 30 percent chance of snow. Partly cloudy, with a low around 11.
Monday
Snow likely. Mostly cloudy, with a high near 23. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.74°W (Elev. 10069 ft)
Last Update:
11:36 am MST Feb 17, 2026
Forecast Valid:
11am MST Feb 17, 2026-6pm MST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation