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

41°F

5°C

Humidity 83%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility 1.24 mi
Last update 27 Mar 08:00 PM PDT
Extended Forecast for

Winchester ID

  • Tonight

    Tonight: Partly cloudy, with a low around 33. South wind around 6 mph becoming west after midnight.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 55. Northwest wind 3 to 7 mph.

    High: 55 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Northwest wind 5 to 7 mph becoming southwest in the evening.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain after 11am. Snow level 5100 feet rising to 6300 feet in the afternoon. Mostly cloudy, with a high near 53. Southwest wind 5 to 9 mph becoming northwest in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Snow likely, possibly mixed with rain. Snow level 6600 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 32. West wind 8 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    Likely

  • Monday

    Monday: A chance of rain and snow before 8am, then a chance of snow. Partly sunny, with a high near 43. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow after 11pm. Snow level 4400 feet. Mostly cloudy, with a low around 35. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 33. South wind around 6 mph becoming west after midnight.
Saturday
Partly sunny, with a high near 55. Northwest wind 3 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 37. Northwest wind 5 to 7 mph becoming southwest in the evening.
Sunday
A 30 percent chance of rain after 11am. Snow level 5100 feet rising to 6300 feet in the afternoon. Mostly cloudy, with a high near 53. Southwest wind 5 to 9 mph becoming northwest in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Snow likely, possibly mixed with rain. Snow level 6600 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 32. West wind 8 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
A chance of rain and snow before 8am, then a chance of snow. Partly sunny, with a high near 43. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
A slight chance of rain and snow after 11pm. Snow level 4400 feet. Mostly cloudy, with a low around 35. Chance of precipitation is 20%.
Wednesday
Rain likely, possibly mixed with snow, mainly after 11am. Snow level 4400 feet rising to 5300 feet in the afternoon. Mostly cloudy, with a high near 48. Chance of precipitation is 70%.
Wednesday Night
Rain and snow. Snow level 5400 feet lowering to 4000 feet after midnight . Low around 30. Chance of precipitation is 80%.
Thursday
Snow. High near 42. Chance of precipitation is 80%.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 30.
Friday
A 50 percent chance of snow. Partly sunny, with a high near 44.
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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:
3:47 pm PDT Mar 27, 2026
Forecast Valid:
8pm PDT Mar 27, 2026-6pm PDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation