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

Fire Weather in the Central and Southern Plains; Pacific Storms Impacting the West

Gusty to high winds and low relative humidity will bring elevated to critical fire weather to the central and southern Plains into Wednesday. 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.

Rain

37°F

3°C

Humidity 80%
Wind Speed S 11 MPH
Barometer 29.08 in (984.76 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 17 Feb 01:35 AM MST
Extended Forecast for

22 Miles NNW Mackay ID

  • Overnight

    Overnight: Snow. The snow could be heavy at times. Low around 7. Wind chill values as low as -5. Windy, with a southwest wind around 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 8 inches possible.

    Low: 7 °F

    Heavy Snow
    and Windy

  • Tuesday

    Tuesday: A slight chance of snow before 7am, then a chance of snow after 4pm. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 7 by 10am. Wind chill values as low as -15. Breezy, with a southwest wind 24 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 30%. New snow accumulation of 1 to 2 inches possible.

    High: 15 °F⇓

    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: Snow likely, mainly between 8pm and 3am. Mostly cloudy, with a low around 7. Wind chill values as low as -14. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    Low: 7 °F

    Snow Likely
    and Breezy

  • Wednesday

    Wednesday: Snow. High near 11. Wind chill values as low as -13. West wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 11 °F

    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around -2. West wind 17 to 20 mph, with gusts as high as 28 mph. New snow accumulation of 1 to 3 inches possible.

    Low: -2 °F

    Chance Snow

  • Thursday

    Thursday: A 40 percent chance of snow. Partly sunny and cold, with a high near 7. New snow accumulation of less than a half inch possible.

    High: 7 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow. Mostly cloudy, with a low around -3. New snow accumulation of less than one inch possible.

    Low: -3 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow. Partly sunny and cold, with a high near 8.

    High: 8 °F

    Chance Snow

  • Friday Night

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

    Low: -4 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Low around 7. Wind chill values as low as -5. Windy, with a southwest wind around 30 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 8 inches possible.
Tuesday
A slight chance of snow before 7am, then a chance of snow after 4pm. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 7 by 10am. Wind chill values as low as -15. Breezy, with a southwest wind 24 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 30%. New snow accumulation of 1 to 2 inches possible.
Tuesday Night
Snow likely, mainly between 8pm and 3am. Mostly cloudy, with a low around 7. Wind chill values as low as -14. Breezy, with a south southwest wind 14 to 22 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow. High near 11. Wind chill values as low as -13. West wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around -2. West wind 17 to 20 mph, with gusts as high as 28 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. New snow accumulation of less than a half inch possible.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around -3. New snow accumulation of less than one inch possible.
Friday
A 30 percent chance of snow. Partly sunny and cold, with a high near 8.
Friday Night
Partly cloudy, with a low around -4.
Saturday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 13.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
A 20 percent chance of snow. Mostly sunny, with a high near 20.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 13.
Monday
Snow likely. Mostly cloudy, with a high near 24. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.18°N 113.79°W (Elev. 10712 ft)
Last Update:
1:27 am MST Feb 17, 2026
Forecast Valid:
1am 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