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

Winchester (ITD41)

Lat: 46.25521°NLon: 116.6051°WElev: 3761.0ft.

NA

19°F

-7°C

Humidity 87%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility 1.24 mi
Last update 30 Dec 05:15 AM PST
Extended Forecast for

10 Miles SSW Winchester ID

Air Stagnation Advisory until January 1, 12:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory until January 1, 12:00pm

    NOW until 12:00pm Thu

    Air Stagnation Advisory

  • Overnight

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 35. South wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 35 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. South wind 3 to 8 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. South wind 3 to 6 mph.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. Light south wind.

    Low: 26 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A slight chance of snow before 1pm, then a slight chance of rain and snow between 1pm and 4pm, then a slight chance of snow after 4pm.  Cloudy, with a high near 36. Chance of precipitation is 20%.

    High: 36 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after 10pm.  Snow level 6100 feet. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

  • Friday

    Friday: A 50 percent chance of rain.  Snow level 6600 feet. Mostly cloudy, with a high near 41.

    High: 41 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 21. South wind around 7 mph.
Tuesday
Sunny, with a high near 35. South wind 7 to 10 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 25. South wind 3 to 8 mph.
Wednesday
Mostly sunny, with a high near 38. South wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 26. Light south wind.
New Year's Day
A slight chance of snow before 1pm, then a slight chance of rain and snow between 1pm and 4pm, then a slight chance of snow after 4pm. Cloudy, with a high near 36. Chance of precipitation is 20%.
Thursday Night
A 30 percent chance of rain after 10pm. Snow level 6100 feet. Mostly cloudy, with a low around 31.
Friday
A 50 percent chance of rain. Snow level 6600 feet. Mostly cloudy, with a high near 41.
Friday Night
A chance of rain before 4am, then rain likely, possibly mixed with snow. Snow level 6500 feet. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Saturday
Rain and snow likely, mainly before 10am. Snow level 5100 feet. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 28.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 37.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 27.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSW Winchester ID
 46.1°N 116.68°W (Elev. 4600 ft)
3:31 am PST Dec 30, 2025
5am PST Dec 30, 2025-6pm PST Jan 5, 2026
 
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Additional Resources

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