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 29%
Wind Speed N 9 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility 1.24 mi
Last update 20 Apr 02:15 PM PDT
Extended Forecast for

Winchester ID

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 72. Northeast wind around 6 mph.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. East wind around 6 mph becoming south in the evening.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of thunderstorms after 5pm. Sunny, with a high near 69. South 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

    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 40. Northwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain. Snow level 6800 feet lowering to 5000 feet. High near 46. West wind 7 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 46 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 11pm. Snow level 5400 feet lowering to 4800 feet after midnight . Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Rain then
    Chance Rain

  • Thursday

    Thursday: A chance of rain and snow before 2pm, then a chance of rain. Snow level 4400 feet. Partly sunny, with a high near 49. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 49 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain before 11pm, then a slight chance of rain and snow. Snow level 4900 feet lowering to 4300 feet after midnight . Partly cloudy, with a low around 32. Chance of precipitation is 30%.

    Low: 32 °F

    Chance
    Rain/Snow

  • Friday

    Friday: A slight chance of rain and snow after 11am. Snow level 4100 feet. Mostly sunny, with a high near 51. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 72. Northeast wind around 6 mph.
Tonight
Partly cloudy, with a low around 47. East wind around 6 mph becoming south in the evening.
Tuesday
A chance of thunderstorms after 5pm. Sunny, with a high near 69. South 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 40. Northwest wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain. Snow level 6800 feet lowering to 5000 feet. High near 46. West wind 7 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain, mainly before 11pm. Snow level 5400 feet lowering to 4800 feet after midnight . Low around 35. Chance of precipitation is 80%.
Thursday
A chance of rain and snow before 2pm, then a chance of rain. Snow level 4400 feet. Partly sunny, with a high near 49. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday Night
A chance of rain before 11pm, then a slight chance of rain and snow. Snow level 4900 feet lowering to 4300 feet after midnight . Partly cloudy, with a low around 32. Chance of precipitation is 30%.
Friday
A slight chance of rain and snow after 11am. Snow level 4100 feet. Mostly sunny, with a high near 51. Chance of precipitation is 20%.
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.
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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:
2:06 pm PDT Apr 20, 2026
Forecast Valid:
2pm PDT Apr 20, 2026-6pm PDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation