Heavy Lake Effect Snow Downwind of Lakes Erie and Ontario; Fire Weather Concerns in the Southern Plains and Southeast

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. There is increasing confidence in snow squalls causing bursts of snow & gusty winds on New Year's Eve. Elevated fire weather conditions will continue today over parts of the Southern Plains and across much of the Southeast U.S. Read More >

Current conditions at

Challis - Challis Airport (KLLJ)

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

Clear

14°F

-10°C

Humidity 78%
Wind Speed N 0 MPH
Barometer 30.54 in (1034.2 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Last update 30 Dec 06:35 AM MST
Extended Forecast for

9 Miles NNE Mackay ID

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 31. West wind 5 to 8 mph becoming calm.

    High: 31 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 22. West wind 6 to 9 mph.

    Low: 22 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 30. West wind 6 to 9 mph.

    High: 30 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. West wind 6 to 8 mph.

    Low: 23 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Snow likely, mainly after 11am.  Mostly cloudy, with a high near 24. West southwest wind around 9 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 24 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of snow.  Mostly cloudy, with a low around 21. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow

  • Friday

    Friday: A 40 percent chance of snow, mainly before 11am.  Partly sunny, with a high near 27. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Chance Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly after 11pm.  Mostly cloudy, with a low around 25.

    Low: 25 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 26. Chance of precipitation is 60%.

    High: 26 °F

    Snow Likely

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 31. West wind 5 to 8 mph becoming calm.
Tonight
Increasing clouds, with a low around 22. West wind 6 to 9 mph.
Wednesday
Partly sunny, with a high near 30. West wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 23. West wind 6 to 8 mph.
New Year's Day
Snow likely, mainly after 11am. Mostly cloudy, with a high near 24. West southwest wind around 9 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 27. New snow accumulation of less than a half inch possible.
Friday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 25.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 26. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 15.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 20.
Sunday Night
A 20 percent chance of snow. Partly cloudy, with a low around 13.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 20.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NNE Mackay ID
 44.04°N 113.52°W (Elev. 9600 ft)
4:31 am MST Dec 30, 2025
6am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database