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.

NA

46°F

8°C

Humidity 62%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility 1.24 mi
Wind Chill44°F (7°C)
Last update 03 Jan 08:30 PM PST
Extended Forecast for

Winchester ID

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 10pm. Snow level 5900 feet lowering to 5300 feet after midnight . Mostly cloudy, with a steady temperature around 39. Breezy, with a south wind 17 to 24 mph, with gusts as high as 39 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain
    and Breezy

  • Sunday

    Sunday: Rain likely before 5pm, then rain likely, possibly mixed with snow. Snow level 4900 feet. Mostly cloudy, with a high near 44. Breezy, with a south wind 18 to 23 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 44 °F

    Breezy. Rain
    Likely then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A chance of rain and snow before 7pm, then a chance of rain between 7pm and 1am, then a chance of rain and snow after 1am. Snow level 4500 feet. Mostly cloudy, with a low around 31. South wind 6 to 9 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance
    Rain/Snow

  • Monday

    Monday: A 50 percent chance of snow, mainly before 4pm. Mostly cloudy, with a high near 39. West wind around 7 mph. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow

  • Monday Night

    Monday Night: A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 25. Southwest wind around 6 mph.

    Low: 25 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of snow after 10am. Mostly cloudy, with a high near 36. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow. Low around 27. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow

  • Wednesday

    Wednesday: Snow likely, mainly before 10am. Partly sunny, with a high near 36. Chance of precipitation is 60%.

    High: 36 °F

    Snow Likely
    then Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow

Detailed Forecast

Tonight
A 40 percent chance of rain, mainly after 10pm. Snow level 5900 feet lowering to 5300 feet after midnight . Mostly cloudy, with a steady temperature around 39. Breezy, with a south wind 17 to 24 mph, with gusts as high as 39 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely before 5pm, then rain likely, possibly mixed with snow. Snow level 4900 feet. Mostly cloudy, with a high near 44. Breezy, with a south wind 18 to 23 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
A chance of rain and snow before 7pm, then a chance of rain between 7pm and 1am, then a chance of rain and snow after 1am. Snow level 4500 feet. Mostly cloudy, with a low around 31. South wind 6 to 9 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Monday
A 50 percent chance of snow, mainly before 4pm. Mostly cloudy, with a high near 39. West wind around 7 mph. New snow accumulation of less than a half inch possible.
Monday Night
A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 25. Southwest wind around 6 mph.
Tuesday
A 40 percent chance of snow after 10am. Mostly cloudy, with a high near 36. New snow accumulation of less than a half inch possible.
Tuesday Night
Snow. Low around 27. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely, mainly before 10am. Partly sunny, with a high near 36. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 24.
Thursday
Snow likely. Mostly cloudy, with a high near 33. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 34.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 36.
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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:
8:43 pm PST Jan 3, 2026
Forecast Valid:
8pm PST Jan 3, 2026-6pm PST Jan 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation