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

29°F

-2°C

Humidity 74%
Wind Speed WNW 3 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 05 Dec 01:55 AM MST
Extended Forecast for

11 Miles NNW Mackay ID

  • Overnight

    Overnight: A 30 percent chance of snow.  Mostly cloudy, with a low around 15. Wind chill values as low as -3. Blustery, with a west northwest wind 20 to 22 mph, with gusts as high as 26 mph.  Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 15 °F

    Chance Snow
    and Blustery

  • Friday

    Friday: Snow, mainly after 11am. The snow could be heavy at times.  High near 21. Wind chill values as low as -2. West wind 13 to 21 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 21 °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 16 to 21 mph increasing to 29 to 34 mph after midnight. Winds could gust as high as 44 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 15 °F

    Windy. Heavy
    Snow then
    Snow Likely

  • Saturday

    Saturday: A 50 percent chance of snow, mainly before 11am.  Mostly cloudy, with a high near 16. Wind chill values as low as -6. Windy, with a west wind 28 to 33 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 43 mph.  New snow accumulation of around an inch possible.

    High: 16 °F

    Chance Snow
    and Windy
    then Slight
    Chance Snow
    and Breezy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 11pm.  Mostly cloudy, with a low around 9. West wind 17 to 21 mph, with gusts as high as 25 mph.

    Low: 9 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow after 11am.  Partly sunny, with a high near 16.

    High: 16 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 13. Blustery.  Little or no snow accumulation expected.

    Low: 13 °F

    Chance Snow
    and Blustery

  • Monday

    Monday: Partly sunny, with a high near 17. Blustery.

    High: 17 °F

    Partly Sunny
    and Blustery
    then Partly
    Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow after 11pm.  Mostly cloudy, with a low around 15.

    Low: 15 °F

    Chance Snow

Detailed Forecast

Overnight
A 30 percent chance of snow. Mostly cloudy, with a low around 15. Wind chill values as low as -3. Blustery, with a west northwest wind 20 to 22 mph, with gusts as high as 26 mph. Total nighttime snow accumulation of 1 to 2 inches possible.
Friday
Snow, mainly after 11am. The snow could be heavy at times. High near 21. Wind chill values as low as -2. West wind 13 to 21 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 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 16 to 21 mph increasing to 29 to 34 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Saturday
A 50 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 16. Wind chill values as low as -6. Windy, with a west wind 28 to 33 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 43 mph. New snow accumulation of around an inch possible.
Saturday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 9. West wind 17 to 21 mph, with gusts as high as 25 mph.
Sunday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 16.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 13. Blustery. Little or no snow accumulation expected.
Monday
Partly sunny, with a high near 17. Blustery.
Monday Night
A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 15.
Tuesday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 24. Breezy. Chance of precipitation is 70%.
Tuesday Night
Snow likely. Mostly cloudy, with a low around 21. Breezy. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 24. Breezy.
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 23. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Mackay ID
 44.06°N 113.68°W (Elev. 11001 ft)
1:16 am MST Dec 5, 2025
2am MST Dec 5, 2025-6pm MST Dec 11, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database