Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

Lat: 44.523°NLon: 114.21611°WElev: 5026.0ft.

Overcast

32°F

0°C

Humidity 74%
Wind Speed NNW 6 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 02 Dec 06:05 PM MST
Extended Forecast for

12 Miles NNW Mackay ID

  • Tonight

    Tonight: A 40 percent chance of snow, mainly before 8pm.  Mostly cloudy, with a low around 6. Wind chill values as low as -11. North wind 14 to 21 mph, with gusts as high as 25 mph.  Total nighttime snow accumulation of less than one inch possible.

    Low: 6 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 13. Wind chill values as low as -10. Northwest wind 6 to 13 mph.

    High: 13 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 8. Wind chill values as low as -6. West wind 6 to 11 mph.

    Low: 8 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 11am.  Partly sunny, with a high near 15. Wind chill values as low as -7. West wind 9 to 13 mph.

    High: 15 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 13. West wind 10 to 18 mph, with gusts as high as 21 mph.  Little or no snow accumulation expected.

    Low: 13 °F

    Chance Snow

  • Friday

    Friday: A 50 percent chance of snow.  Mostly cloudy, with a high near 21. New snow accumulation of 1 to 3 inches possible.

    High: 21 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow.  Low around 17. Breezy.  Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 17 °F

    Snow and
    Breezy

  • Saturday

    Saturday: Snow likely.  Mostly cloudy, with a high near 19. Breezy.  Chance of precipitation is 60%.

    High: 19 °F

    Snow Likely
    and Breezy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow

Detailed Forecast

Tonight
A 40 percent chance of snow, mainly before 8pm. Mostly cloudy, with a low around 6. Wind chill values as low as -11. North wind 14 to 21 mph, with gusts as high as 25 mph. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Sunny, with a high near 13. Wind chill values as low as -10. Northwest wind 6 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 8. Wind chill values as low as -6. West wind 6 to 11 mph.
Thursday
A 20 percent chance of snow after 11am. Partly sunny, with a high near 15. Wind chill values as low as -7. West wind 9 to 13 mph.
Thursday Night
A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 13. West wind 10 to 18 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 21. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow. Low around 17. Breezy. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Saturday
Snow likely. Mostly cloudy, with a high near 19. Breezy. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 12.
Sunday
A 30 percent chance of snow, mainly after 11am. Mostly cloudy, with a high near 18.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 10.
Monday
Mostly sunny, with a high near 17.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 12.
Tuesday
A 40 percent chance of snow. Mostly cloudy, with a high near 22.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNW Mackay ID
 44.06°N 113.71°W (Elev. 10755 ft)
4:31 pm MST Dec 2, 2025
6pm MST Dec 2, 2025-6pm MST Dec 9, 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