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.

Overcast

45°F

7°C

Humidity 87%
Wind Speed N 0 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 01 Jan 10:00 PM PST
Extended Forecast for

10 Miles NNE Montague CA

High Wind Watch January 3, 10:00am until January 4, 04:00am
Wind Advisory January 2, 04:00pm until January 3, 04:00am
Click here for hazard details and duration
High Wind Watch
Wind Advisory

  • Tonight

    Tonight: A 30 percent chance of rain, mainly before 2am. Mostly cloudy, with a low around 39. South wind around 11 mph.

    Low: 39 °F

    Chance Rain

  • Friday

    Friday: A slight chance of rain before 3pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 52. South wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 30%.

    High: 52 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain, mainly after 10pm. Low around 40. South southeast wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Saturday

    Saturday: Rain. High near 52. Breezy, with a south southeast wind 16 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain and
    Breezy

  • Saturday Night

    Saturday Night: Rain. Snow level 5400 feet. Low around 40. South wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Sunday

    Sunday: Rain. Snow level 5000 feet. High near 47. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely. Snow level 4400 feet. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

  • Monday

    Monday: A chance of rain, mainly before 4pm. Snow level 4000 feet. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before 10pm. Snow level 4000 feet. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly before 2am. Mostly cloudy, with a low around 39. South wind around 11 mph.
Friday
A slight chance of rain before 3pm, then a chance of rain after 4pm. Mostly cloudy, with a high near 52. South wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 30%.
Friday Night
Rain, mainly after 10pm. Low around 40. South southeast wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 52. Breezy, with a south southeast wind 16 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Snow level 5400 feet. Low around 40. South wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. Snow level 5000 feet. High near 47. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely. Snow level 4400 feet. Mostly cloudy, with a low around 35. Chance of precipitation is 70%.
Monday
A chance of rain, mainly before 4pm. Snow level 4000 feet. Mostly cloudy, with a high near 43.
Monday Night
A slight chance of rain before 10pm. Snow level 4000 feet. Mostly cloudy, with a low around 28.
Tuesday
A slight chance of rain after 4pm. Snow level 3700 feet rising to 4400 feet in the afternoon. Partly sunny, with a high near 44.
Tuesday Night
A chance of rain and snow. Snow level 4400 feet. Mostly cloudy, with a low around 30.
Wednesday
A chance of rain and snow. Snow level 3700 feet. Mostly cloudy, with a high near 43.
Wednesday Night
A chance of rain and snow. Snow level 3200 feet lowering to 2600 feet after midnight . Mostly cloudy, with a low around 26.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Montague CA
 41.86°N 122.45°W (Elev. 2598 ft)
Last Update:
9:41 pm PST Jan 1, 2026
Forecast Valid:
10pm PST Jan 1, 2026-6pm PST Jan 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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