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

39°F

4°C

Humidity 87%
Wind Speed S 4 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility 1.24 mi
Wind Chill36°F (2°C)
Last update 20 Apr 01:00 AM PDT
Extended Forecast for

Winchester ID

  • Overnight

    Overnight: Partly cloudy, with a low around 44. South wind around 6 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72. South wind around 6 mph becoming west in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 46. South wind around 6 mph.

    Low: 46 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of thunderstorms after 5pm. Mostly sunny, with a high near 69. Southwest wind 5 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: 69 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 41. Northwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain. Snow level 6900 feet lowering to 5500 feet in the afternoon . High near 46. Chance of precipitation is 90%.

    High: 46 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain before 5am, then rain likely, possibly mixed with snow. Snow level 5500 feet lowering to 4900 feet after midnight . Low around 36. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A chance of rain and snow. Snow level 4500 feet. Partly sunny, with a high near 49. Chance of precipitation is 50%.

    High: 49 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A slight chance of rain before 2am, then a slight chance of rain and snow. Snow level 5000 feet lowering to 4500 feet after midnight . Partly cloudy, with a low around 32. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 44. South wind around 6 mph.
Monday
Mostly sunny, with a high near 72. South wind around 6 mph becoming west in the afternoon.
Monday Night
Partly cloudy, with a low around 46. South wind around 6 mph.
Tuesday
A chance of thunderstorms after 5pm. Mostly sunny, with a high near 69. Southwest wind 5 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 likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 41. Northwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain. Snow level 6900 feet lowering to 5500 feet in the afternoon . High near 46. Chance of precipitation is 90%.
Wednesday Night
Rain before 5am, then rain likely, possibly mixed with snow. Snow level 5500 feet lowering to 4900 feet after midnight . Low around 36. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow. Snow level 4500 feet. Partly sunny, with a high near 49. Chance of precipitation is 50%.
Thursday Night
A slight chance of rain before 2am, then a slight chance of rain and snow. Snow level 5000 feet lowering to 4500 feet after midnight . Partly cloudy, with a low around 32. Chance of precipitation is 20%.
Friday
A slight chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Snow level 4100 feet rising to 4700 feet in the afternoon. Mostly sunny, with a high near 51. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
A 20 percent chance of rain. Snow level 4200 feet rising to 5300 feet in the afternoon. Mostly sunny, with a high near 53.
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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:
11:31 pm PDT Apr 19, 2026
Forecast Valid:
1am PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
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Additional Resources

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Chance of Precipitation