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

Hailey, Friedman Memorial Airport (KSUN)

Lat: 43.5°NLon: 114.3°WElev: 5318.0ft.

Clear

39°F

4°C

Humidity 44%
Wind Speed SE 10 MPH
Barometer 30.43 in (1030.48 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 30 Dec 03:55 PM MST
Extended Forecast for

5 Miles ENE Sun Valley ID

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 27. Light and variable wind becoming north northwest 5 to 7 mph in the evening.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 38. Northeast wind around 6 mph becoming calm  in the morning.

    High: 38 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 26. Light and variable wind becoming west northwest around 6 mph in the evening.

    Low: 26 °F

    Increasing
    Clouds

  • New Year's Day

    New Year's Day: A 50 percent chance of snow.  Cloudy, with a high near 29. Southwest wind 3 to 6 mph.  New snow accumulation of less than a half inch possible.

    High: 29 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly after 11pm.  Cloudy, with a low around 26. West wind around 6 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Snow Likely

  • Friday

    Friday: A 40 percent chance of snow, mainly before 11am.  Mostly cloudy, with a high near 33. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow after 11pm.  Mostly cloudy, with a low around 27. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely.  Mostly cloudy, with a high near 30. Chance of precipitation is 60%.

    High: 30 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 18.

    Low: 18 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 27. Light and variable wind becoming north northwest 5 to 7 mph in the evening.
Wednesday
Partly sunny, with a high near 38. Northeast wind around 6 mph becoming calm in the morning.
Wednesday Night
Increasing clouds, with a low around 26. Light and variable wind becoming west northwest around 6 mph in the evening.
New Year's Day
A 50 percent chance of snow. Cloudy, with a high near 29. Southwest wind 3 to 6 mph. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely, mainly after 11pm. Cloudy, with a low around 26. West wind around 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
A 40 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 33. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow after 11pm. Mostly cloudy, with a low around 27. New snow accumulation of less than a half inch possible.
Saturday
Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 18.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 27.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 27.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ENE Sun Valley ID
 43.72°N 114.25°W (Elev. 9124 ft)
1:02 pm MST Dec 30, 2025
4pm MST Dec 30, 2025-6pm MST Jan 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database