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 >

Hazardous Weather Conditions

Current conditions at

Montague Siskiyou County Airport (KSIY)

Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.

Clear

50°F

10°C

Humidity 65%
Wind Speed SSE 37 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 02 Jan 04:53 PM PST
Extended Forecast for

17 Miles NNE Weed CA

Winter Storm Warning January 3, 04:00pm until January 4, 04:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Tonight

    Tonight: Rain, mainly after 9pm. Snow level 6400 feet. Low around 34. South wind 8 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 34 °F

    Rain

  • Saturday

    Saturday: Rain and snow before 4pm, then rain between 4pm and 5pm, then rain and snow after 5pm. Snow level 5600 feet. High near 42. South southwest wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    Likely then
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain, possibly mixed with snow. Snow level 5700 feet. Low around 32. Breezy, with a south wind 22 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain/Snow and
    Breezy

  • Sunday

    Sunday: Rain, possibly mixed with snow, becoming all snow after 10am. Snow level 5000 feet. High near 40. South southwest wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow
    then Snow

  • Sunday Night

    Sunday Night: Snow. Low around 29. South wind around 11 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 29 °F

    Snow

  • Monday

    Monday: Snow likely, mainly before 4pm. Mostly cloudy, with a high near 38. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 38 °F

    Snow Likely

  • Monday Night

    Monday Night: A 30 percent chance of snow before 10pm. Mostly cloudy, with a low around 26. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

Detailed Forecast

Tonight
Rain, mainly after 9pm. Snow level 6400 feet. Low around 34. South wind 8 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Rain and snow before 4pm, then rain between 4pm and 5pm, then rain and snow after 5pm. Snow level 5600 feet. High near 42. South southwest wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday Night
Rain, possibly mixed with snow. Snow level 5700 feet. Low around 32. Breezy, with a south wind 22 to 28 mph, with gusts as high as 41 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday
Rain, possibly mixed with snow, becoming all snow after 10am. Snow level 5000 feet. High near 40. South southwest wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday Night
Snow. Low around 29. South wind around 11 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Monday
Snow likely, mainly before 4pm. Mostly cloudy, with a high near 38. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Monday Night
A 30 percent chance of snow before 10pm. Mostly cloudy, with a low around 26. New snow accumulation of less than a half inch possible.
Tuesday
Mostly cloudy, with a high near 40.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 26.
Wednesday
Snow likely. Mostly cloudy, with a high near 37.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 20.
Thursday
A slight chance of snow. Mostly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles NNE Weed CA
 41.61°N 122.2°W (Elev. 4941 ft)
Last Update:
3:41 pm PST Jan 2, 2026
Forecast Valid:
5pm PST Jan 2, 2026-6pm PST Jan 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation