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

34°F

1°C

Humidity 84%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility 1.24 mi
Last update 19 Apr 07:15 AM PDT
Extended Forecast for

Winchester ID

  • Today

    Today: Mostly sunny, with a high near 66. South wind around 7 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 44. South wind around 6 mph.

    Low: 44 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 73. Southeast wind around 6 mph.

    High: 73 °F

    Mostly Sunny

  • Monday Night

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

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71. Southeast wind 5 to 7 mph becoming west in the afternoon.

    High: 71 °F

    Mostly Sunny

  • 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 45. Chance of precipitation is 60%.

    Low: 45 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain. High near 50. Chance of precipitation is 90%.

    High: 50 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain. Snow level 6400 feet lowering to 5200 feet after midnight . Low around 37. Chance of precipitation is 80%.

    Low: 37 °F

    Rain

  • Thursday

    Thursday: A 50 percent chance of rain. Snow level 4900 feet. Partly sunny, with a high near 49.

    High: 49 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 66. South wind around 7 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 44. South wind around 6 mph.
Monday
Mostly sunny, with a high near 73. Southeast wind around 6 mph.
Monday Night
Partly cloudy, with a low around 47. East wind around 6 mph becoming south in the evening.
Tuesday
Mostly sunny, with a high near 71. Southeast wind 5 to 7 mph becoming west in the afternoon.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Wednesday
Rain. High near 50. Chance of precipitation is 90%.
Wednesday Night
Rain. Snow level 6400 feet lowering to 5200 feet after midnight . Low around 37. Chance of precipitation is 80%.
Thursday
A 50 percent chance of rain. Snow level 4900 feet. Partly sunny, with a high near 49.
Thursday Night
A 20 percent chance of rain before 11pm. Snow level 5200 feet. Mostly cloudy, with a low around 32.
Friday
A slight chance of rain and snow. Snow level 4700 feet rising to 5500 feet in the afternoon. Mostly sunny, with a high near 54. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 54.
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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:
3:46 am PDT Apr 19, 2026
Forecast Valid:
7am PDT Apr 19, 2026-6pm PDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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