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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Mostly Cloudy

39°F

4°C

Humidity 80%
Wind Speed SSW 12 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 26 Dec 08:35 AM PST
Extended Forecast for

Montague CA

  • Today

    Today: Rain. Snow level 3800 feet rising to 4400 feet in the afternoon. High near 44. South wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Rain

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 7pm. Snow level 3600 feet lowering to 2600 feet after midnight . Mostly cloudy, with a low around 26. North northwest wind 3 to 5 mph.

    Low: 26 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 39. Calm wind becoming north around 5 mph in the afternoon.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 20. Calm wind.

    Low: 20 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 40. Calm wind.

    High: 40 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 42.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Rain. Snow level 3800 feet rising to 4400 feet in the afternoon. High near 44. South wind 7 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of showers, mainly before 7pm. Snow level 3600 feet lowering to 2600 feet after midnight . Mostly cloudy, with a low around 26. North northwest wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 39. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Increasing clouds, with a low around 20. Calm wind.
Sunday
Mostly sunny, with a high near 40. Calm wind.
Sunday Night
Partly cloudy, with a low around 20.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 23.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 48.
Wednesday Night
A slight chance of rain. Snow level 6000 feet lowering to 5100 feet after midnight . Mostly cloudy, with a low around 29.
New Year's Day
A chance of rain. Snow level 4700 feet. Mostly cloudy, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
Last Update:
6:52 am PST Dec 26, 2025
Forecast Valid:
8am PST Dec 26, 2025-6pm PST Jan 1, 2026
 
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Additional Resources

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Chance of Precipitation