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

11°F

-12°C

Humidity 91%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 9°F (-13°C)
Visibility 1.24 mi
Last update 28 Dec 05:45 AM PST
Extended Forecast for

10 Miles SSW Winchester ID

  • Today

    Today: Sunny, with a high near 25. Light south wind.

    High: 25 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a steady temperature around 21. Light south wind.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 32. South wind 3 to 5 mph.

    High: 32 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21. Light south wind.

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35. South wind 3 to 5 mph.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °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 38.

    High: 38 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 25. Light south wind.
Tonight
Partly cloudy, with a steady temperature around 21. Light south wind.
Monday
Mostly sunny, with a high near 32. South wind 3 to 5 mph.
Monday Night
Mostly cloudy, with a low around 21. Light south wind.
Tuesday
Mostly sunny, with a high near 35. South wind 3 to 5 mph.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 26.
New Year's Day
Mostly cloudy, with a high near 38.
Thursday Night
A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 29.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 37.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 24.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSW Winchester ID
 46.1°N 116.68°W (Elev. 4600 ft)
3:12 am PST Dec 28, 2025
6am PST Dec 28, 2025-6pm PST Jan 3, 2026
 
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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