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

34°F

1°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 12 Apr 06:20 AM MDT
Extended Forecast for

13 Miles NNW Mackay ID

  • Today

    Today: Snow likely before noon, then snow showers, mainly after noon. The snow could be heavy at times. Some thunder is also possible. High near 30. Breezy, with a south wind 10 to 15 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 5 inches possible.

    High: 30 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Snow likely, mainly before 1am. Partly cloudy, with a low around 17. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Snow Likely
    and Breezy
    then Chance
    Snow

  • Monday

    Monday: Snow likely, mainly after noon. Mostly cloudy, with a high near 25. West southwest wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 25 °F

    Snow Likely

  • Monday Night

    Monday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17. West northwest wind 11 to 17 mph, with gusts as high as 28 mph.

    Low: 17 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 31. West southwest wind 10 to 20 mph, with gusts as high as 31 mph.

    High: 31 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after midnight. Partly cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Partly Cloudy
    and Breezy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: Snow. High near 28. Breezy. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 28 °F

    Snow Likely
    then Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow. Low around 14. Breezy. Chance of precipitation is 90%.

    Low: 14 °F

    Snow and
    Breezy

  • Thursday

    Thursday: Snow. High near 17. Blustery. Chance of precipitation is 80%.

    High: 17 °F

    Snow and
    Blustery

Detailed Forecast

Today
Snow likely before noon, then snow showers, mainly after noon. The snow could be heavy at times. Some thunder is also possible. High near 30. Breezy, with a south wind 10 to 15 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 3 to 5 inches possible.
Tonight
Snow likely, mainly before 1am. Partly cloudy, with a low around 17. Breezy, with a west southwest wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
Snow likely, mainly after noon. Mostly cloudy, with a high near 25. West southwest wind 15 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 17. West northwest wind 11 to 17 mph, with gusts as high as 28 mph.
Tuesday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 31. West southwest wind 10 to 20 mph, with gusts as high as 31 mph.
Tuesday Night
A 20 percent chance of snow after midnight. Partly cloudy, with a low around 21. Breezy.
Wednesday
Snow. High near 28. Breezy. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow. Low around 14. Breezy. Chance of precipitation is 90%.
Thursday
Snow. High near 17. Blustery. Chance of precipitation is 80%.
Thursday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 8. Blustery.
Friday
A 30 percent chance of snow. Mostly sunny, with a high near 21.
Friday Night
Partly cloudy, with a low around 10.
Saturday
Mostly sunny, with a high near 27.
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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 Apr 12, 2026
Forecast Valid:
6am MDT Apr 12, 2026-6pm MDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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