Heavy Rain in the Southern U.S.; Winter Storm to Impact the Northern Mid-Atlantic and Interior Northeast

A storm system stretching from the Tennessee Valley to the Gulf Coast will bring a variety of hazards to the Eastern U.S. through Tuesday. On the south side of the system, heavy rain and thunderstorms will persist across the Southern U.S. Further north, a wintry precipitation mix is expected from the Central Appalachians to the interior Northeast through Tuesday. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Overcast

28°F

-2°C

Humidity 58%
Wind Speed W 3 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 01 Dec 10:20 PM MST
Extended Forecast for

18 Miles NNW Mackay ID

  • Tonight

    Tonight: A 50 percent chance of snow.  Mostly cloudy, with a low around 16. West wind 10 to 15 mph, with gusts as high as 18 mph.  Total nighttime snow accumulation of less than one inch possible.

    Low: 16 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow, mainly before 4pm.  Temperature falling to around 14 by 5pm. Wind chill values as low as -1. West wind 14 to 16 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    High: 19 °F

    Snow

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow before 11pm.  Mostly cloudy, with a low around 9. Wind chill values as low as -9. Blustery, with a north wind 14 to 23 mph, with gusts as high as 30 mph.  New snow accumulation of less than one inch possible.

    Low: 9 °F

    Blustery.
    Chance Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 15. Wind chill values as low as -8. West wind 6 to 15 mph, with gusts as high as 18 mph.

    High: 15 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 11. West wind 5 to 10 mph.

    Low: 11 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after 11pm.  Mostly cloudy, with a low around 16. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow.  Mostly cloudy, with a high near 24.

    High: 24 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow likely.  Mostly cloudy, with a low around 18. Breezy.  Chance of precipitation is 70%.

    Low: 18 °F

    Snow Likely
    and Breezy

Detailed Forecast

Tonight
A 50 percent chance of snow. Mostly cloudy, with a low around 16. West wind 10 to 15 mph, with gusts as high as 18 mph. Total nighttime snow accumulation of less than one inch possible.
Tuesday
Snow, mainly before 4pm. Temperature falling to around 14 by 5pm. Wind chill values as low as -1. West wind 14 to 16 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 9. Wind chill values as low as -9. Blustery, with a north wind 14 to 23 mph, with gusts as high as 30 mph. New snow accumulation of less than one inch possible.
Wednesday
Sunny, with a high near 15. Wind chill values as low as -8. West wind 6 to 15 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 11. West wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 19.
Thursday Night
A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 16. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 24.
Friday Night
Snow likely. Mostly cloudy, with a low around 18. Breezy. Chance of precipitation is 70%.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 22. Breezy. Chance of precipitation is 70%.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 13.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 18.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 12.
Monday
Partly sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NNW Mackay ID
 44.16°N 113.76°W (Elev. 10427 ft)
10:31 pm MST Dec 1, 2025
10pm MST Dec 1, 2025-6pm MST Dec 8, 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