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

46°F

8°C

Humidity 77%
Wind Speed S 4 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility 1.24 mi
Wind Chill44°F (7°C)
Last update 20 Mar 06:15 AM PDT
Extended Forecast for

Winchester ID

  • Today

    Today: Mostly sunny, with a high near 69. Southwest wind 6 to 15 mph becoming west in the afternoon.

    High: 69 °F

    Mostly 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
Mostly sunny, with a high near 69. Southwest wind 6 to 15 mph becoming west in the afternoon.
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
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winchester ID
 46.24°N 116.62°W (Elev. 3950 ft)
Last Update:
3:42 am PDT Mar 20, 2026
Forecast Valid:
6am PDT Mar 20, 2026-6pm PDT Mar 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation