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

40°F

4°C

Humidity 89%
Wind Speed S 4 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility 1.24 mi
Wind Chill37°F (3°C)
Last update 21 Apr 02:45 AM PDT
Extended Forecast for

Winchester ID

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 50. South wind around 6 mph.

    Low: 50 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of thunderstorms after 5pm. Sunny, with a high near 70. South wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 40. Northwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers

  • Wednesday

    Wednesday: Rain before 5pm, then rain, possibly mixed with snow. Snow level 7300 feet lowering to 4800 feet. High near 46. Southwest wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 46 °F

    Rain then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow before 2am, then a chance of rain. Snow level 4700 feet. Low around 34. Southwest wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of snow before 11am, then rain likely, possibly mixed with snow. Snow level 4000 feet. Partly sunny, with a high near 47. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 47 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 11pm, then a chance of snow between 11pm and 2am, then a chance of rain and snow after 2am. Snow level 4500 feet lowering to 4000 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of snow before 11am, then a chance of rain and snow. Snow level 4100 feet. Mostly sunny, with a high near 48. Chance of precipitation is 30%.

    High: 48 °F

    Chance
    Rain/Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 50. South wind around 6 mph.
Tuesday
A chance of thunderstorms after 5pm. Sunny, with a high near 70. South wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 40. Northwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain before 5pm, then rain, possibly mixed with snow. Snow level 7300 feet lowering to 4800 feet. High near 46. Southwest wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow before 2am, then a chance of rain. Snow level 4700 feet. Low around 34. Southwest wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
A chance of snow before 11am, then rain likely, possibly mixed with snow. Snow level 4000 feet. Partly sunny, with a high near 47. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow before 11pm, then a chance of snow between 11pm and 2am, then a chance of rain and snow after 2am. Snow level 4500 feet lowering to 4000 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
A slight chance of snow before 11am, then a chance of rain and snow. Snow level 4100 feet. Mostly sunny, with a high near 48. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 59.
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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:
2:06 am PDT Apr 21, 2026
Forecast Valid:
3am PDT Apr 21, 2026-6pm PDT Apr 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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