Heavy Great Lakes Snow through Friday; Watching Potential for Major Winter Storm Late Week into this Weekend

Heavy lake effect snow will continue in the Great Lakes into Wednesday before another storm brings a widespread general snow followed by another round of heavy lake effect snow. A wide-ranging winter storm will produce great swaths of heavy snow, sleet, and treacherous freezing rain from the southern Rockies/Plains and Mid-South starting Friday and shifting toward the East Coast through Sunday. Read More >

Current conditions at

Winchester (ITD41)

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

NA

24°F

-4°C

Humidity 96%
Wind Speed NNE 2 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility 1.24 mi
Last update 20 Jan 02:30 PM PST
Extended Forecast for

Winchester ID

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 30. Light northwest wind.

    High: 30 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. Light southwest wind.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36. Light and variable wind.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 34. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 34 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 30. Light northwest wind.
Tonight
Mostly cloudy, with a low around 22. Light southwest wind.
Wednesday
Mostly sunny, with a high near 36. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 22. Calm wind.
Thursday
Partly sunny, with a high near 34. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 32.
Friday Night
Mostly clear, with a low around 16.
Saturday
Sunny, with a high near 33.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
A 10 percent chance of snow. Mostly cloudy, with a low around 23.
Monday
A 20 percent chance of snow. Mostly cloudy, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
Winchester ID
 46.24°N 116.62°W (Elev. 3950 ft)
1:12 pm PST Jan 20, 2026
2pm PST Jan 20, 2026-6pm PST Jan 26, 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