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.

Clear

37°F

3°C

Humidity 47%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 15 May 05:20 AM MDT
Extended Forecast for

13 Miles NNW Mackay ID

  • Today

    Today: Sunny, with a high near 40. Breezy, with a west wind 13 to 18 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 40 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 26. Breezy, with a west wind 21 to 26 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 41 mph.

    Low: 26 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 34. Breezy, with a west southwest wind 13 to 18 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 41 mph.

    High: 34 °F

    Decreasing
    Clouds and
    Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow after midnight. Partly cloudy, with a low around 15. Windy, with a west northwest wind 23 to 33 mph, with gusts as high as 50 mph. New snow accumulation of less than one inch possible.

    Low: 15 °F

    Partly Cloudy
    and Windy
    then Chance
    Snow and
    Blustery

  • Sunday

    Sunday: Snow likely, mainly after noon. Mostly cloudy, with a high near 22. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 22 °F

    Snow Likely
    and Blustery

  • Sunday Night

    Sunday Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 14. Windy. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow
    and Windy

  • Monday

    Monday: A 20 percent chance of snow before noon. Partly sunny, with a high near 26. Windy.

    High: 26 °F

    Slight Chance
    Snow and
    Windy then
    Partly Sunny
    and Blustery

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 40. Breezy, with a west wind 13 to 18 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 38 mph.
Tonight
Increasing clouds, with a low around 26. Breezy, with a west wind 21 to 26 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 41 mph.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 34. Breezy, with a west southwest wind 13 to 18 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 41 mph.
Saturday Night
A 30 percent chance of snow after midnight. Partly cloudy, with a low around 15. Windy, with a west northwest wind 23 to 33 mph, with gusts as high as 50 mph. New snow accumulation of less than one inch possible.
Sunday
Snow likely, mainly after noon. Mostly cloudy, with a high near 22. Blustery, with a northwest wind 21 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 14. Windy. New snow accumulation of less than a half inch possible.
Monday
A 20 percent chance of snow before noon. Partly sunny, with a high near 26. Windy.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.71°W (Elev. 10135 ft)
Last Update:
5:31 am MDT May 15, 2026
Forecast Valid:
5am MDT May 15, 2026-6pm MDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation