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

Challis - Challis Airport (KLLJ)

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

Overcast

39°F

4°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 15 Apr 10:20 PM MDT
Extended Forecast for

9 Miles N Mackay ID

  • Tonight

    Tonight: Snow likely, mainly before 2am. The snow could be heavy at times. Mostly cloudy, with a low around 7. Wind chill values as low as -11. Windy, with a west wind 22 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 7 °F

    Heavy Snow
    and Windy

  • Thursday

    Thursday: Snow, mainly before 4pm. High near 10. Wind chill values as low as -14. Blustery, with a west wind 22 to 26 mph becoming north northwest in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 10 °F

    Snow and
    Blustery

  • Thursday Night

    Thursday Night: A 40 percent chance of snow before midnight. Partly cloudy, with a low around 5. Wind chill values as low as -17. Windy, with a northwest wind 26 to 30 mph, with gusts as high as 39 mph. New snow accumulation of less than a half inch possible.

    Low: 5 °F

    Chance Snow
    and Windy
    then Partly
    Cloudy and
    Blustery

  • Friday

    Friday: A 40 percent chance of snow after noon. Mostly sunny, with a high near 17. Wind chill values as low as -17. Blustery, with a northwest wind 18 to 23 mph, with gusts as high as 29 mph. Little or no snow accumulation expected.

    High: 17 °F

    Sunny and
    Blustery then
    Chance Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 10. Northwest wind 14 to 21 mph, with gusts as high as 28 mph.

    Low: 10 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 28.

    High: 28 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly before 2am. The snow could be heavy at times. Mostly cloudy, with a low around 7. Wind chill values as low as -11. Windy, with a west wind 22 to 30 mph, with gusts as high as 40 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 3 to 5 inches possible.
Thursday
Snow, mainly before 4pm. High near 10. Wind chill values as low as -14. Blustery, with a west wind 22 to 26 mph becoming north northwest in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 40 percent chance of snow before midnight. Partly cloudy, with a low around 5. Wind chill values as low as -17. Windy, with a northwest wind 26 to 30 mph, with gusts as high as 39 mph. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow after noon. Mostly sunny, with a high near 17. Wind chill values as low as -17. Blustery, with a northwest wind 18 to 23 mph, with gusts as high as 29 mph. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 10. Northwest wind 14 to 21 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 42. Breezy.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 29.
Wednesday
A 50 percent chance of snow. Partly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles N Mackay ID
 44.05°N 113.62°W (Elev. 11401 ft)
Last Update:
8:36 pm MDT Apr 15, 2026
Forecast Valid:
10pm MDT Apr 15, 2026-6pm MDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation