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 30.0 in (1015.92 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 02 Dec 02:35 AM MST
Extended Forecast for

12 Miles NNW Mackay ID

  • Overnight

    Overnight: A 30 percent chance of snow showers after 5am.  Mostly cloudy, with a steady temperature around 17. West northwest wind around 14 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Snow showers, mainly after 11am.  Temperature falling to around 8 by 5pm. Wind chill values as low as -8. West northwest wind 11 to 14 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 16 °F

    Snow Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow showers, mainly before 7pm.  Mostly cloudy, with a temperature rising to around 11 by 4am. Wind chill values as low as -13. North wind 16 to 21 mph, with gusts as high as 26 mph.  New snow accumulation of less than a half inch possible.

    Low: 8 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 14. Wind chill values as low as -7. North wind 7 to 15 mph becoming west in the morning. Winds could gust as high as 18 mph.

    High: 14 °F

    Sunny

  • Wednesday Night

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

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 21.

    High: 21 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers after 11pm.  Mostly cloudy, with a low around 14. Little or no snow accumulation expected.

    Low: 14 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 50 percent chance of snow, mainly after 11am.  Mostly cloudy, with a high near 21.

    High: 21 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow likely.  Mostly cloudy, with a low around 17. Breezy.  Chance of precipitation is 70%.

    Low: 17 °F

    Snow Likely
    and Breezy

Detailed Forecast

Overnight
A 30 percent chance of snow showers after 5am. Mostly cloudy, with a steady temperature around 17. West northwest wind around 14 mph. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
Snow showers, mainly after 11am. Temperature falling to around 8 by 5pm. Wind chill values as low as -8. West northwest wind 11 to 14 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
A 30 percent chance of snow showers, mainly before 7pm. Mostly cloudy, with a temperature rising to around 11 by 4am. Wind chill values as low as -13. North wind 16 to 21 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Wednesday
Sunny, with a high near 14. Wind chill values as low as -7. North wind 7 to 15 mph becoming west in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 8. West wind 6 to 10 mph.
Thursday
Partly sunny, with a high near 21.
Thursday Night
A 30 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 14. Little or no snow accumulation expected.
Friday
A 50 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 21.
Friday Night
Snow likely. Mostly cloudy, with a low around 17. Breezy. Chance of precipitation is 70%.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 19. Breezy. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 13.
Sunday
A 20 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 11.
Monday
Mostly sunny, with a high near 18.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNW Mackay ID
 44.06°N 113.71°W (Elev. 10755 ft)
1:31 am MST Dec 2, 2025
2am 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