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

70°F

21°C

Humidity 40%
Wind Speed NW 2 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility 1.24 mi
Last update 20 Apr 03:45 PM PDT
Extended Forecast for

10 Miles SSW Winchester ID

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Southeast wind 3 to 5 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of thunderstorms after 5pm. Increasing clouds, with a high near 68. Light and variable wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain showers likely before 5am, then rain likely, possibly mixed with snow showers. Some thunder is also possible. Mostly cloudy, with a low around 38. Northwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 38 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain, possibly mixed with snow. Snow level 6700 feet lowering to 4900 feet. High near 43. Southwest wind 6 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow, mainly before 11pm. Snow level 5300 feet lowering to 4700 feet after midnight . Low around 32. Southwest wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow before 2pm, then a chance of rain and snow. Partly sunny, with a high near 46. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow before 11pm, then a slight chance of snow. Snow level 4900 feet lowering to 4600 feet after midnight . Partly cloudy, with a low around 30. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Friday

    Friday: A 20 percent chance of snow after 11am. Mostly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. Southeast wind 3 to 5 mph.
Tuesday
A chance of thunderstorms after 5pm. Increasing clouds, with a high near 68. Light and variable wind becoming west 5 to 8 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain showers likely before 5am, then rain likely, possibly mixed with snow showers. Some thunder is also possible. Mostly cloudy, with a low around 38. Northwest wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday
Rain, possibly mixed with snow. Snow level 6700 feet lowering to 4900 feet. High near 43. Southwest wind 6 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain, possibly mixed with snow, mainly before 11pm. Snow level 5300 feet lowering to 4700 feet after midnight . Low around 32. Southwest wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 2pm, then a chance of rain and snow. Partly sunny, with a high near 46. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of rain and snow before 11pm, then a slight chance of snow. Snow level 4900 feet lowering to 4600 feet after midnight . Partly cloudy, with a low around 30. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A 20 percent chance of snow after 11am. Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 29.
Saturday
Sunny, with a high near 50.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SSW Winchester ID
 46.1°N 116.68°W (Elev. 4600 ft)
Last Update:
3:36 pm PDT Apr 20, 2026
Forecast Valid:
4pm PDT Apr 20, 2026-6pm PDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation