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.

Rain

36°F

2°C

Humidity 85%
Wind Speed WNW 10 MPH
Barometer 29.69 in (1005.42 mb)
Dewpoint 32°F (0°C)
Visibility 7.00 mi
Wind Chill29°F (-2°C)
Last update 15 Apr 10:55 PM MDT
Extended Forecast for

22 Miles NNW Mackay ID

  • Tonight

    Tonight: Snow likely, mainly between midnight and 1am. Mostly cloudy, with a low around 7. Wind chill values as low as -12. Windy, with a west wind 23 to 30 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 3 to 5 inches possible.

    Low: 7 °F

    Snow Likely
    and Windy

  • Thursday

    Thursday: Snow, mainly after 10am. High near 9. Wind chill values as low as -15. Blustery, with a west wind 22 to 28 mph becoming north in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 9 °F

    Snow and
    Blustery

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 5. Wind chill values as low as -18. Blustery, with a northwest wind 22 to 28 mph, with gusts as high as 37 mph. New snow accumulation of less than a half inch possible.

    Low: 5 °F

    Blustery.
    Chance Snow
    then Mostly
    Cloudy

  • Friday

    Friday: A 30 percent chance of snow after noon. Mostly sunny, with a high near 16. Wind chill values as low as -14. Northwest wind around 20 mph, with gusts as high as 29 mph. Little or no snow accumulation expected.

    High: 16 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 10. Northwest wind 13 to 21 mph, with gusts as high as 28 mph.

    Low: 10 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 27.

    High: 27 °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 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly between midnight and 1am. Mostly cloudy, with a low around 7. Wind chill values as low as -12. Windy, with a west wind 23 to 30 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of 3 to 5 inches possible.
Thursday
Snow, mainly after 10am. High near 9. Wind chill values as low as -15. Blustery, with a west wind 22 to 28 mph becoming north in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 5. Wind chill values as low as -18. Blustery, with a northwest wind 22 to 28 mph, with gusts as high as 37 mph. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow after noon. Mostly sunny, with a high near 16. Wind chill values as low as -14. Northwest wind around 20 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 13 to 21 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 27.
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 25.
Monday
Mostly sunny, with a high near 41. Breezy.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
A 20 percent chance of snow. Mostly sunny, with a high near 41. Breezy.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 28.
Wednesday
A 40 percent chance of snow. Partly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
22 Miles NNW Mackay ID
 44.2°N 113.8°W (Elev. 11401 ft)
Last Update:
8:36 pm MDT Apr 15, 2026
Forecast Valid:
11pm 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation