Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

Winchester (ITD41)

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

NA

23°F

-5°C

Humidity 96%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility 1.24 mi
Last update 21 Jan 06:45 PM PST
Extended Forecast for

Winchester ID

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 31. Calm wind becoming north around 5 mph.

    High: 31 °F

    Cloudy

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 18. Calm wind.

    Low: 18 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 28. North wind 5 to 7 mph.

    High: 28 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 12. West wind 3 to 5 mph.

    Low: 12 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 21. Calm wind.
Thursday
Cloudy, with a high near 31. Calm wind becoming north around 5 mph.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 18. Calm wind.
Friday
Mostly sunny, with a high near 28. North wind 5 to 7 mph.
Friday Night
Mostly clear, with a low around 12. West wind 3 to 5 mph.
Saturday
Sunny, with a high near 31.
Saturday Night
Mostly clear, with a low around 15.
Sunday
Sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 19.
Monday
Partly sunny, with a high near 37.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
A 10 percent chance of snow. Mostly cloudy, with a low around 26.
Wednesday
A 20 percent chance of snow. Partly sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
Winchester ID
 46.24°N 116.62°W (Elev. 3950 ft)
5:02 pm PST Jan 21, 2026
7pm PST Jan 21, 2026-6pm PST Jan 28, 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