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

28°F

-2°C

Humidity 74%
Wind Speed E 3 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 02 Dec 11:05 AM MST
Extended Forecast for

8 Miles NNE Mackay ID

  • Today

    Today: Snow showers, mainly before 5pm.  Temperature falling to around 11 by 4pm. Wind chill values as low as -3. West northwest wind around 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 18 °F

    Snow Showers

  • Tonight

    Tonight: A 30 percent chance of snow showers, mainly before 7pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 7. Wind chill values as low as -13. North northwest wind 15 to 20 mph, with gusts as high as 30 mph.  New snow accumulation of less than a half inch possible.

    Low: 7 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 17. Wind chill values as low as -12. West wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 17 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 9. Wind chill values as low as -6. West wind 6 to 11 mph.

    Low: 9 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow showers after 11am.  Partly sunny, with a high near 23. West wind 8 to 13 mph.

    High: 23 °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 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 23. New snow accumulation of 1 to 3 inches possible.

    High: 23 °F

    Chance Snow

  • Friday Night

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

    Low: 19 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 20. Chance of precipitation is 60%.

    High: 20 °F

    Snow Likely

Detailed Forecast

Today
Snow showers, mainly before 5pm. Temperature falling to around 11 by 4pm. Wind chill values as low as -3. West northwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
A 30 percent chance of snow showers, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 7. Wind chill values as low as -13. North northwest wind 15 to 20 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Wednesday
Sunny, with a high near 17. Wind chill values as low as -12. West wind 12 to 17 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 9. Wind chill values as low as -6. West wind 6 to 11 mph.
Thursday
A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 23. West wind 8 to 13 mph.
Thursday Night
A 30 percent chance of snow showers, mainly 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 23. New snow accumulation of 1 to 3 inches possible.
Friday Night
Snow likely. Mostly cloudy, with a low around 19. Chance of precipitation is 60%.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 20. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 14.
Sunday
A 20 percent chance of snow. Partly sunny, with a high near 19.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 12.
Monday
Mostly sunny, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NNE Mackay ID
 44.01°N 113.55°W (Elev. 10650 ft)
10:31 am MST Dec 2, 2025
11am 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