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 N 0 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 02 Dec 02:05 AM MST
Extended Forecast for

12 Miles N Mackay ID

  • Overnight

    Overnight: A 10 percent chance of snow showers after 5am.  Mostly cloudy, with a low around 20. West northwest wind around 10 mph, with gusts as high as 18 mph.

    Low: 20 °F

    Slight Chance
    Snow Showers

  • Tuesday

    Tuesday: Snow showers, mainly before 5pm.  Temperature falling to around 18 by 5pm. West northwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 28 °F

    Snow Showers
    Likely then
    Snow Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow showers, mainly before 7pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 10. Wind chill values as low as -5. North northwest wind 11 to 15 mph, with gusts as high as 28 mph.  New snow accumulation of less than one inch possible.

    Low: 10 °F

    Chance Snow
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 27. Wind chill values as low as -4. West wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 27 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13. West wind 5 to 8 mph.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow showers after 11am.  Partly sunny, with a high near 32.

    High: 32 °F

    Slight Chance
    Snow Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers, mainly after 11pm.  Mostly cloudy, with a low around 18. Little or no snow accumulation expected.

    Low: 18 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 50 percent chance of snow, mainly after 11am.  Mostly cloudy, with a high near 30.

    High: 30 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow likely.  Mostly cloudy, with a low around 23. Chance of precipitation is 70%.

    Low: 23 °F

    Snow Likely

Detailed Forecast

Overnight
A 10 percent chance of snow showers after 5am. Mostly cloudy, with a low around 20. West northwest wind around 10 mph, with gusts as high as 18 mph.
Tuesday
Snow showers, mainly before 5pm. Temperature falling to around 18 by 5pm. West northwest wind around 10 mph, with gusts as high as 20 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, then gradually becoming mostly clear, with a low around 10. Wind chill values as low as -5. North northwest wind 11 to 15 mph, with gusts as high as 28 mph. New snow accumulation of less than one inch possible.
Wednesday
Sunny, with a high near 27. Wind chill values as low as -4. West wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 13. West wind 5 to 8 mph.
Thursday
A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 32.
Thursday Night
A 30 percent chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 18. Little or no snow accumulation expected.
Friday
A 50 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 30.
Friday Night
Snow likely. Mostly cloudy, with a low around 23. Chance of precipitation is 70%.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 17.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 30.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 16.
Monday
Mostly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles N Mackay ID
 44.09°N 113.63°W (Elev. 9475 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