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

38°F

3°C

Humidity 46%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility 1.24 mi
Last update 15 Mar 03:00 PM PDT
Extended Forecast for

Winchester ID

  • This Afternoon

    This Afternoon: A 30 percent chance of snow after 5pm. Mostly cloudy, with a high near 37. South wind around 6 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow

  • Tonight

    Tonight: Snow likely before midnight, then a chance of rain and snow. Snow level rising to 6400 feet after midnight. Cloudy, with a low around 32. Southwest wind 5 to 7 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Snow Likely
    then Chance
    Rain/Snow

  • Monday

    Monday: Rain likely, mainly between 11am and 2pm. Mostly cloudy, with a high near 51. Southwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely

  • Monday Night

    Monday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 41. South wind around 8 mph.

    Low: 41 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 58. South wind around 8 mph.

    High: 58 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain before 11am. Mostly cloudy, with a high near 62.

    High: 62 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain. Partly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Rain

Detailed Forecast

This Afternoon
A 30 percent chance of snow after 5pm. Mostly cloudy, with a high near 37. South wind around 6 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely before midnight, then a chance of rain and snow. Snow level rising to 6400 feet after midnight. Cloudy, with a low around 32. Southwest wind 5 to 7 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday
Rain likely, mainly between 11am and 2pm. Mostly cloudy, with a high near 51. Southwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 41. South wind around 8 mph.
Tuesday
A 20 percent chance of rain after 11am. Mostly cloudy, with a high near 58. South wind around 8 mph.
Tuesday Night
A 30 percent chance of rain before 11pm. Mostly cloudy, with a low around 43.
Wednesday
A 20 percent chance of rain before 11am. Mostly cloudy, with a high near 62.
Wednesday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 44.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 66.
Thursday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 46.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 65.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 42.
Saturday
A slight chance of rain and snow. Snow level 7100 feet lowering to 5900 feet in the afternoon . Partly sunny, with a high near 54. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 32.
Sunday
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:
2:26 pm PDT Mar 15, 2026
Forecast Valid:
3pm PDT Mar 15, 2026-6pm PDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation