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 63%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 02 Dec 03:05 AM MST
Extended Forecast for

30 Miles NE Mackay ID

  • Overnight

    Overnight: Mostly cloudy, with a low around 16. West wind around 8 mph.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Snow showers, mainly before 5pm. The snow could be heavy at times.  High near 20. West northwest wind 7 to 10 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 20 °F

    Snow Showers
    Likely then
    Heavy Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers between 10pm and 11pm.  Mostly cloudy, with a low around 10. Wind chill values as low as -6. North wind 14 to 20 mph, with gusts as high as 26 mph.

    Low: 10 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 18. Wind chill values as low as -8. North wind 8 to 18 mph becoming west in the afternoon. Winds could gust as high as 24 mph.

    High: 18 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10. West wind 6 to 8 mph.

    Low: 10 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow showers, mainly after 11am.  Partly sunny, with a high near 22. Little or no snow accumulation expected.

    High: 22 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers.  Mostly cloudy, with a low around 14. Little or no snow accumulation expected.

    Low: 14 °F

    Chance Snow
    Showers

  • Friday

    Friday: Snow likely, mainly after 11am.  Mostly cloudy, with a high near 22. Chance of precipitation is 60%.

    High: 22 °F

    Snow Likely

  • Friday Night

    Friday Night: Snow likely.  Mostly cloudy, with a low around 19. Chance of precipitation is 60%.

    Low: 19 °F

    Snow Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 16. West wind around 8 mph.
Tuesday
Snow showers, mainly before 5pm. The snow could be heavy at times. High near 20. West northwest wind 7 to 10 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
A 20 percent chance of snow showers between 10pm and 11pm. Mostly cloudy, with a low around 10. Wind chill values as low as -6. North wind 14 to 20 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 18. Wind chill values as low as -8. North wind 8 to 18 mph becoming west in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 10. West wind 6 to 8 mph.
Thursday
A 30 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 22. Little or no snow accumulation expected.
Thursday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 14. Little or no snow accumulation expected.
Friday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.
Friday Night
Snow likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Saturday
Snow likely. Mostly cloudy, with a high near 22. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 13.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 20.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 14.
Monday
A 20 percent chance of snow. Mostly sunny, with a high near 21.
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ABOUT THIS FORECAST

 
Point Forecast:
30 Miles NE Mackay ID
 44.16°N 113.12°W (Elev. 9767 ft)
2:56 am MST Dec 2, 2025
3am MST Dec 2, 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