Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

Winchester (ITD41)

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

NA

20°F

-7°C

Humidity 81%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 15°F (-9°C)
Visibility 1.24 mi
Last update 28 Dec 09:15 AM PST
Extended Forecast for

Winchester ID

  • Today

    Today: Sunny, with a high near 29. South wind around 5 mph becoming calm  in the afternoon.

    High: 29 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 19. South wind around 6 mph.

    Low: 19 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 35. South wind around 6 mph.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23. South wind around 6 mph.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. South wind around 6 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 26 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 29. South wind around 5 mph becoming calm in the afternoon.
Tonight
Partly cloudy, with a low around 19. South wind around 6 mph.
Monday
Mostly sunny, with a high near 35. South wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 23. South wind around 6 mph.
Tuesday
Mostly sunny, with a high near 39. South wind around 6 mph.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 26.
New Year's Day
Mostly cloudy, with a high near 41.
Thursday Night
A slight chance of rain and snow after 10pm. Snow level 4300 feet. Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
Friday
A chance of rain and snow. Snow level 4200 feet. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
Winchester ID
 46.24°N 116.62°W (Elev. 3950 ft)
8:52 am PST Dec 28, 2025
9am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database