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

60°F

16°C

Humidity 48%
Wind Speed NNE 6 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility 1.24 mi
Last update 21 Apr 11:30 AM PDT
Extended Forecast for

Winchester ID

  • Today

    Today: Increasing clouds, with a steady temperature around 64. Southwest wind 6 to 11 mph becoming northwest in the afternoon.

    High: 64 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 38. Northwest wind 7 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Showers

  • Wednesday

    Wednesday: Rain, possibly mixed with snow before 2pm, then rain between 2pm and 3pm, then rain, possibly mixed with snow after 3pm. Snow level 5900 feet lowering to 4600 feet in the afternoon . Steady temperature around 41. Southwest wind 10 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow, mainly before 11pm. Snow level 5200 feet lowering to 4300 feet after midnight . Low around 33. West wind 15 to 17 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Thursday

    Thursday: Snow likely before 5pm, then snow likely, possibly mixed with rain. Some thunder is also possible. Mostly cloudy, with a high near 44. West wind 10 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 44 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 11pm, then a chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A chance of snow before 8am, then a chance of rain and snow between 8am and 2pm, then a chance of snow after 2pm. Partly sunny, with a high near 46. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of snow showers between 11am and 2pm, then a slight chance of rain showers after 2pm. Mostly sunny, with a high near 49. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Rain/Snow

Detailed Forecast

Today
Increasing clouds, with a steady temperature around 64. Southwest wind 6 to 11 mph becoming northwest in the afternoon.
Tonight
Showers and possibly a thunderstorm. Low around 38. Northwest wind 7 to 15 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain, possibly mixed with snow before 2pm, then rain between 2pm and 3pm, then rain, possibly mixed with snow after 3pm. Snow level 5900 feet lowering to 4600 feet in the afternoon . Steady temperature around 41. Southwest wind 10 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain, possibly mixed with snow, mainly before 11pm. Snow level 5200 feet lowering to 4300 feet after midnight . Low around 33. West wind 15 to 17 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Snow likely before 5pm, then snow likely, possibly mixed with rain. Some thunder is also possible. Mostly cloudy, with a high near 44. West wind 10 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow before 11pm, then a chance of snow. Mostly cloudy, with a low around 30. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow before 8am, then a chance of rain and snow between 8am and 2pm, then a chance of snow after 2pm. Partly sunny, with a high near 46. Chance of precipitation is 50%. Little or no snow accumulation expected.
Friday Night
Partly cloudy, with a low around 28.
Saturday
A slight chance of snow showers between 11am and 2pm, then a slight chance of rain showers after 2pm. Mostly sunny, with a high near 49. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 32.
Monday
A 20 percent chance of showers. Snow level 4200 feet rising to 5300 feet in the afternoon. Mostly sunny, with a high near 54.
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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:
11:32 am PDT Apr 21, 2026
Forecast Valid:
11am PDT Apr 21, 2026-6pm PDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation