National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Winchester (ITD41)

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

NA

51°F

11°C

Humidity 73%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility 1.24 mi
Last update 20 Mar 08:15 PM PDT
Extended Forecast for

Winchester ID

  • Tonight

    Tonight: Rain, mainly after 5am. Low around 41. West wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Slight Chance
    Rain then
    Rain

  • Saturday

    Saturday: Rain and snow before 11am, then a slight chance of rain between 11am and 2pm. Snow level 7300 feet lowering to 4600 feet in the afternoon . Steady temperature around 45. West wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. West wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 50. Southwest wind around 6 mph.

    High: 50 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. Northwest wind around 6 mph becoming light and variable in the evening.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly after 5am. Low around 41. West wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain and snow before 11am, then a slight chance of rain between 11am and 2pm. Snow level 7300 feet lowering to 4600 feet in the afternoon . Steady temperature around 45. West wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday Night
Mostly clear, with a low around 29. West wind 5 to 8 mph, with gusts as high as 18 mph.
Sunday
Increasing clouds, with a high near 50. Southwest wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 33. Northwest wind around 6 mph becoming light and variable in the evening.
Monday
Mostly cloudy, with a high near 54.
Monday Night
Mostly cloudy, with a low around 37.
Tuesday
A 40 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 55.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37.
Wednesday
A chance of rain and snow. Snow level 6800 feet lowering to 5600 feet in the afternoon . Mostly cloudy, with a high near 50. Chance of precipitation is 40%.
Wednesday Night
A chance of rain and snow. Snow level 5300 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 46.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winchester ID
 46.24°N 116.62°W (Elev. 3950 ft)
Last Update:
5:21 pm PDT Mar 20, 2026
Forecast Valid:
8pm PDT Mar 20, 2026-6pm PDT Mar 27, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation