National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

Winchester (ITD41)

Lat: 46.25521°NLon: 116.6051°WElev: 3761.0ft.

Rain

38°F

3°C

Humidity 98%
Wind Speed SSE 3 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility 1.24 mi
Last update 02 Jan 06:45 AM PST
Extended Forecast for

Winchester ID

  • Today

    Today: Rain, mainly before 10am. High near 43. Southwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Rain then
    Chance Rain

  • Tonight

    Tonight: A 10 percent chance of rain after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. South wind 6 to 8 mph.

    Low: 34 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly between 7am and 10am. Snow level 6400 feet. Partly sunny, with a high near 45. South wind around 10 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am. Snow level 5700 feet. Mostly cloudy, with a low around 36. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain
    then Rain
    Likely

  • Sunday

    Sunday: Rain likely, mainly before 10am. Snow level 4900 feet. Mostly cloudy, with a high near 45. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain before 10pm, then a chance of rain and snow. Snow level 4400 feet. Mostly cloudy, with a low around 33. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance
    Rain/Snow

  • Monday

    Monday: A 50 percent chance of snow. Mostly cloudy, with a high near 41. Little or no snow accumulation expected.

    High: 41 °F

    Chance Snow

  • Monday Night

    Monday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A 40 percent chance of snow, mainly after 10am. Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance Snow

Detailed Forecast

Today
Rain, mainly before 10am. High near 43. Southwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A 10 percent chance of rain after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. South wind 6 to 8 mph.
Saturday
A 30 percent chance of rain, mainly between 7am and 10am. Snow level 6400 feet. Partly sunny, with a high near 45. South wind around 10 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain likely, mainly after 4am. Snow level 5700 feet. Mostly cloudy, with a low around 36. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, mainly before 10am. Snow level 4900 feet. Mostly cloudy, with a high near 45. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of rain before 10pm, then a chance of rain and snow. Snow level 4400 feet. Mostly cloudy, with a low around 33. Chance of precipitation is 50%. Little or no snow accumulation expected.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 41. Little or no snow accumulation expected.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 29.
Tuesday
A 40 percent chance of snow, mainly after 10am. Mostly cloudy, with a high near 39.
Tuesday Night
Snow likely, mainly after 10pm. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.
Wednesday
Snow likely. Mostly cloudy, with a high near 38. Chance of precipitation is 70%.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24.
Thursday
A 50 percent chance of snow. Partly sunny, with a high near 34.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winchester ID
 46.24°N 116.62°W (Elev. 3950 ft)
Last Update:
3:52 am PST Jan 2, 2026
Forecast Valid:
7am PST Jan 2, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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