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 SSW 5 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 01 Dec 08:05 PM MST
Extended Forecast for

13 Miles NNW Mackay ID

  • Tonight

    Tonight: A 50 percent chance of snow.  Mostly cloudy, with a low around 16. West northwest wind 7 to 10 mph.  Total nighttime snow accumulation of less than one inch possible.

    Low: 16 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow likely, mainly before 4pm.  Mostly cloudy, with a temperature rising to near 18 by 11am, then falling to around 14 during the remainder of the day. Wind chill values as low as zero. West wind around 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 18 °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 -8. North wind 13 to 18 mph, with gusts as high as 30 mph.  New snow accumulation of less than one inch possible.

    Low: 7 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 15. Wind chill values as low as -10. West wind 7 to 14 mph, with gusts as high as 22 mph.

    High: 15 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8. West wind 6 to 9 mph.

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 18.

    High: 18 °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 22.

    High: 22 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow likely, mainly after 11pm.  Mostly cloudy, with a low around 20. Chance of precipitation is 60%.

    Low: 20 °F

    Snow Likely

Detailed Forecast

Tonight
A 50 percent chance of snow. Mostly cloudy, with a low around 16. West northwest wind 7 to 10 mph. Total nighttime snow accumulation of less than one inch possible.
Tuesday
Snow likely, mainly before 4pm. Mostly cloudy, with a temperature rising to near 18 by 11am, then falling to around 14 during the remainder of the day. Wind chill values as low as zero. West wind around 14 mph, with gusts as high as 21 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 -8. North wind 13 to 18 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 -10. West wind 7 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 8. West wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 18.
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 22.
Friday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 21. Chance of precipitation is 70%.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 12.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 20.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 10.
Monday
Partly sunny, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NNW Mackay ID
 44.08°N 113.71°W (Elev. 10135 ft)
5:33 pm MST Dec 1, 2025
8pm 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