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 74%
Wind Speed NW 4 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 05 Dec 12:05 AM MST
Extended Forecast for

21 Miles WNW Mackay ID

  • Overnight

    Overnight: A 30 percent chance of snow.  Mostly cloudy, with a low around 24. West northwest wind around 6 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow

  • Friday

    Friday: Snow, mainly after 11am.  High near 35. West wind 5 to 10 mph becoming east northeast in the afternoon.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Snow

  • Friday Night

    Friday Night: Snow, mainly before 11pm.  Low around 27. West wind 10 to 17 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Snow then
    Chance Snow

  • Saturday

    Saturday: A 40 percent chance of snow, mainly before 11am.  Partly sunny, with a high near 32. West northwest wind 10 to 15 mph, with gusts as high as 24 mph.  Little or no snow accumulation expected.

    High: 32 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18. West wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after 11am.  Partly sunny, with a high near 33.

    High: 33 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A 40 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 23. Little or no snow accumulation expected.

    Low: 23 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow after 11pm.  Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

Detailed Forecast

Overnight
A 30 percent chance of snow. Mostly cloudy, with a low around 24. West northwest wind around 6 mph. Total nighttime snow accumulation of less than a half inch possible.
Friday
Snow, mainly after 11am. High near 35. West wind 5 to 10 mph becoming east northeast in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Snow, mainly before 11pm. Low around 27. West wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Saturday
A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 32. West northwest wind 10 to 15 mph, with gusts as high as 24 mph. Little or no snow accumulation expected.
Saturday Night
Mostly cloudy, with a low around 18. West wind 6 to 11 mph, with gusts as high as 18 mph.
Sunday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 33.
Sunday Night
A 40 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 23. Little or no snow accumulation expected.
Monday
Partly sunny, with a high near 35.
Monday Night
A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 26.
Tuesday
A chance of snow before 8am, then a chance of rain and snow between 8am and 11am, then rain likely after 11am. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Thursday
A slight chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles WNW Mackay ID
 44.05°N 113.98°W (Elev. 6788 ft)
10:31 pm MST Dec 4, 2025
12am MST Dec 5, 2025-6pm MST Dec 11, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database