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

68°F

20°C

Humidity 27%
Wind Speed SSE 5 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility 1.24 mi
Last update 20 Mar 11:30 AM PDT
Extended Forecast for

Winchester ID

  • Today

    Today: Partly sunny, with a high near 69. Southwest wind 10 to 15 mph.

    High: 69 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 43. West wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Chance Rain

  • Saturday

    Saturday: Rain before 2pm, then a chance of rain and snow. Snow level 7500 feet lowering to 4700 feet in the afternoon . Steady temperature around 46. West wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 46 °F

    Rain then
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. West wind 5 to 11 mph, with gusts as high as 23 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 50. West wind 3 to 6 mph.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain. Snow level 6400 feet rising to 7700 feet in the afternoon. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 69. Southwest wind 10 to 15 mph.
Tonight
A 40 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 43. West wind 6 to 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain before 2pm, then a chance of rain and snow. Snow level 7500 feet lowering to 4700 feet in the afternoon . Steady temperature around 46. West wind 8 to 11 mph, with gusts as high as 23 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 11 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 50. West wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly cloudy, with a high near 53.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
A 40 percent chance of rain. Snow level 6400 feet rising to 7700 feet in the afternoon. Mostly cloudy, with a high near 57.
Tuesday Night
A chance of rain before 5am, then a chance of rain and snow. Mostly cloudy, with a low around 38. Chance of precipitation is 50%.
Wednesday
Rain and snow likely. Snow level 6400 feet lowering to 5400 feet. Partly sunny, with a high near 50. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow. Snow level 5300 feet lowering to 4000 feet after midnight . Partly cloudy, with a low around 29. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 47.
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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:
10:11 am PDT Mar 20, 2026
Forecast Valid:
11am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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