Winter Weather Across Portions of the Mid-Atlantic; Heavy Rain Along the Gulf Coast and Southeast

A storm system will continue to slowly move through the Gulf Coast and Southeast U.S. over the next couple of days, bringing a heavy rainfall threat through the weekend. Isolated instances of flooding may occur. On the north side of this storm system, colder air will support areas of mixed wintry precipitation and light snow from the Tennessee Valley to the Mid-Atlantic Friday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

28°F

-2°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 05 Dec 04:20 AM MST
Extended Forecast for

12 Miles NNW Mackay ID

  • Today

    Today: Snow, mainly after 1pm. The snow could be heavy at times.  High near 20. Wind chill values as low as -1. Northwest wind 11 to 20 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 5 to 9 inches possible.

    High: 20 °F

    Slight Chance
    Snow then
    Heavy Snow

  • Tonight

    Tonight: Snow, mainly before midnight. The snow could be heavy at times.  Low around 13. Wind chill values as low as -9. Windy, with a west northwest wind 18 to 23 mph increasing to 31 to 36 mph after midnight. Winds could gust as high as 45 mph.  Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

    Low: 13 °F

    Windy. Heavy
    Snow then
    Chance Snow

  • Saturday

    Saturday: A 50 percent chance of snow, mainly before 11am.  Mostly cloudy, with a temperature falling to around 10 by 5pm. Wind chill values as low as -9. Windy, with a west northwest wind 29 to 34 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 44 mph.  New snow accumulation of 2 to 4 inches possible.

    High: 13 °F

    Chance Snow
    and Windy
    then Slight
    Chance Snow
    and Blustery

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before 11pm.  Mostly cloudy, with a low around 9. Wind chill values as low as -10. Breezy, with a west wind 17 to 22 mph.  New snow accumulation of around an inch possible.

    Low: 9 °F

    Breezy.
    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after 11am.  Partly sunny, with a high near 17. West southwest wind 9 to 18 mph, with gusts as high as 21 mph.

    High: 17 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 16. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 19.

    High: 19 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow after 11pm.  Mostly cloudy, with a low around 16. Breezy.

    Low: 16 °F

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: Snow likely.  Mostly cloudy, with a high near 24. Breezy.  Chance of precipitation is 70%.

    High: 24 °F

    Snow Likely
    and Breezy

Detailed Forecast

Today
Snow, mainly after 1pm. The snow could be heavy at times. High near 20. Wind chill values as low as -1. Northwest wind 11 to 20 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 5 to 9 inches possible.
Tonight
Snow, mainly before midnight. The snow could be heavy at times. Low around 13. Wind chill values as low as -9. Windy, with a west northwest wind 18 to 23 mph increasing to 31 to 36 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.
Saturday
A 50 percent chance of snow, mainly before 11am. Mostly cloudy, with a temperature falling to around 10 by 5pm. Wind chill values as low as -9. Windy, with a west northwest wind 29 to 34 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 44 mph. New snow accumulation of 2 to 4 inches possible.
Saturday Night
A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 9. Wind chill values as low as -10. Breezy, with a west wind 17 to 22 mph. New snow accumulation of around an inch possible.
Sunday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 17. West southwest wind 9 to 18 mph, with gusts as high as 21 mph.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 16. New snow accumulation of less than one inch possible.
Monday
Partly sunny, with a high near 19.
Monday Night
A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 16. Breezy.
Tuesday
Snow likely. Mostly cloudy, with a high near 24. Breezy. Chance of precipitation is 70%.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 18. Breezy. Chance of precipitation is 60%.
Wednesday
Snow likely. The snow could be heavy at times. Mostly cloudy, with a high near 22. Breezy. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 18. Breezy.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 21. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNW Mackay ID
 44.06°N 113.71°W (Elev. 10755 ft)
4:31 am MST Dec 5, 2025
4am MST Dec 5, 2025-6pm MST Dec 11, 2025
 
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Additional Resources

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