Tracking Areas of Winter Weather and Heavy Rainfall

A cold front will move through the Great Lakes and Northeast U.S. today, bringing areas of snow and snow squalls which can bring rapid reductions to visibility and slick roads. A storm system will shift from the northern Gulf Coast through the Southeast U.S. today through Friday with areas of heavy to excessive rainfall and light snow further north. Heavy snow is also expected in the Rockies. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Mostly Cloudy

18°F

-8°C

Humidity 78%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 04 Dec 08:35 AM MST
Extended Forecast for

18 Miles NNW Mackay ID

  • Today

    Today: A 30 percent chance of snow, mainly after 4pm. The snow could be heavy at times.  Increasing clouds, with a high near 21. West wind 8 to 11 mph.  Total daytime snow accumulation of 1 to 3 inches possible.

    High: 21 °F

    Partly Sunny
    then Heavy
    Snow

  • Tonight

    Tonight: Snow likely before 1am, then a chance of snow after 3am. The snow could be heavy at times.  Mostly cloudy, with a low around 18. West wind 10 to 17 mph, with gusts as high as 21 mph.  Chance of precipitation is 60%. New snow accumulation of 3 to 7 inches possible.

    Low: 18 °F

    Heavy Snow
    then Chance
    Snow

  • Friday

    Friday: Snow, mainly after 11am. The snow could be heavy at times.  High near 24. West southwest wind 14 to 17 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    High: 24 °F

    Heavy Snow

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times.  Low around 15. Wind chill values as low as -4. Windy, with a west wind 18 to 23 mph increasing to 28 to 33 mph after midnight. Winds could gust as high as 43 mph.  Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    Low: 15 °F

    Heavy Snow
    and Windy

  • Saturday

    Saturday: A 50 percent chance of snow.  Mostly cloudy, with a high near 19. Windy, with a west wind 27 to 32 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 40 mph.  New snow accumulation of 1 to 2 inches possible.

    High: 19 °F

    Chance Snow
    and Windy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 11. Little or no snow accumulation expected.

    Low: 11 °F

    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow after 11am.  Partly sunny, with a high near 20.

    High: 20 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 17. Breezy.

    Low: 17 °F

    Chance Snow
    and Breezy

  • Monday

    Monday: A 20 percent chance of snow.  Partly sunny, with a high near 22. Breezy.

    High: 22 °F

    Slight Chance
    Snow and
    Breezy

Detailed Forecast

Today
A 30 percent chance of snow, mainly after 4pm. The snow could be heavy at times. Increasing clouds, with a high near 21. West wind 8 to 11 mph. Total daytime snow accumulation of 1 to 3 inches possible.
Tonight
Snow likely before 1am, then a chance of snow after 3am. The snow could be heavy at times. Mostly cloudy, with a low around 18. West wind 10 to 17 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New snow accumulation of 3 to 7 inches possible.
Friday
Snow, mainly after 11am. The snow could be heavy at times. High near 24. West southwest wind 14 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Friday Night
Snow. The snow could be heavy at times. Low around 15. Wind chill values as low as -4. Windy, with a west wind 18 to 23 mph increasing to 28 to 33 mph after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 19. Windy, with a west wind 27 to 32 mph decreasing to 18 to 23 mph in the afternoon. Winds could gust as high as 40 mph. New snow accumulation of 1 to 2 inches possible.
Saturday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 11. Little or no snow accumulation expected.
Sunday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 20.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 17. Breezy.
Monday
A 20 percent chance of snow. Partly sunny, with a high near 22. Breezy.
Monday Night
A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 20. Breezy.
Tuesday
A 50 percent chance of snow. Mostly cloudy, with a high near 29. Breezy.
Tuesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 28. Breezy.
Wednesday
A 50 percent chance of snow. Partly sunny, with a high near 31. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNW Mackay ID
 44.16°N 113.76°W (Elev. 10427 ft)
4:31 am MST Dec 4, 2025
8am MST Dec 4, 2025-6pm MST Dec 10, 2025
 
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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