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 57%
Wind Speed S 3 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 01 Dec 07:55 PM MST
Extended Forecast for

11 Miles NNW Mackay ID

  • Tonight

    Tonight: A 50 percent chance of snow.  Mostly cloudy, with a low around 14. Wind chill values as low as zero. West northwest wind 9 to 14 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow likely, mainly before 4pm.  Mostly cloudy, with a temperature falling to around 11 by 5pm. Wind chill values as low as -5. West northwest wind 13 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 16 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow before 11pm.  Mostly cloudy, with a low around 7. Wind chill values as low as -11. Blustery, with a north northwest wind 14 to 22 mph, with gusts as high as 29 mph.  New snow accumulation of less than one inch possible.

    Low: 7 °F

    Blustery.
    Chance Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 12. Wind chill values as low as -12. West wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 12 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8. West wind 6 to 11 mph.

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 15.

    High: 15 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after 11pm.  Mostly cloudy, with a low around 14. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow.  Mostly cloudy, with a high near 21.

    High: 21 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm.  Mostly cloudy, with a low around 17. Breezy.  Chance of precipitation is 60%.

    Low: 17 °F

    Snow Likely
    and Breezy

Detailed Forecast

Tonight
A 50 percent chance of snow. Mostly cloudy, with a low around 14. Wind chill values as low as zero. West northwest wind 9 to 14 mph. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Snow likely, mainly before 4pm. Mostly cloudy, with a temperature falling to around 11 by 5pm. Wind chill values as low as -5. West northwest wind 13 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Tuesday Night
A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 7. Wind chill values as low as -11. Blustery, with a north northwest wind 14 to 22 mph, with gusts as high as 29 mph. New snow accumulation of less than one inch possible.
Wednesday
Sunny, with a high near 12. Wind chill values as low as -12. West wind 13 to 18 mph decreasing to 7 to 12 mph in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 8. West wind 6 to 11 mph.
Thursday
Mostly sunny, with a high near 15.
Thursday Night
A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 14. New snow accumulation of less than a half inch possible.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 21.
Friday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 17. Breezy. Chance of precipitation is 60%.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 20. Breezy. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 10.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 17.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 9.
Monday
Partly sunny, with a high near 17.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Mackay ID
 44.06°N 113.68°W (Elev. 11001 ft)
5:33 pm MST Dec 1, 2025
8pm MST Dec 1, 2025-6pm MST Dec 8, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database