Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

27°F

-3°C

Humidity 92%
Wind Speed NW 3 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 29 Dec 11:35 PM PST
Extended Forecast for

9 Miles NE Montague CA

  • Tonight

    Tonight: Widespread freezing fog. Mostly clear, with a low around 24. South southeast wind 3 to 5 mph.

    Low: 24 °F

    Freezing Fog

  • Tuesday

    Tuesday: Widespread freezing fog before 11am. Sunny, with a high near 42. Light and variable wind.

    High: 42 °F

    Freezing Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Widespread freezing fog after 10pm. Increasing clouds, with a low around 25. East southeast wind 3 to 5 mph.

    Low: 25 °F

    Freezing Fog

  • Wednesday

    Wednesday: Widespread freezing fog before 10am. Mostly cloudy, with a high near 42. Calm wind.

    High: 42 °F

    Freezing Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 35. Light east wind.

    Low: 35 °F

    Chance Rain

  • New Year's Day

    New Year's Day: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 48. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Friday

    Friday: Rain likely, mainly after 10am.  Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain likely.  Snow level 6200 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 34.

    Low: 34 °F

    Rain Likely

Detailed Forecast

Tonight
Widespread freezing fog. Mostly clear, with a low around 24. South southeast wind 3 to 5 mph.
Tuesday
Widespread freezing fog before 11am. Sunny, with a high near 42. Light and variable wind.
Tuesday Night
Widespread freezing fog after 10pm. Increasing clouds, with a low around 25. East southeast wind 3 to 5 mph.
Wednesday
Widespread freezing fog before 10am. Mostly cloudy, with a high near 42. Calm wind.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 35. Light east wind.
New Year's Day
Rain likely, mainly after 10am. Mostly cloudy, with a high near 48. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Friday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 49.
Friday Night
Rain likely. Snow level 6200 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 34.
Saturday
Rain likely. Snow level 4900 feet. Mostly cloudy, with a high near 45.
Saturday Night
A chance of rain and snow. Snow level 4600 feet. Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow. Snow level 4500 feet. Mostly cloudy, with a high near 45.
Sunday Night
A chance of rain. Snow level 4600 feet. Mostly cloudy, with a low around 33.
Monday
A chance of rain. Snow level 4600 feet. Mostly cloudy, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NE Montague CA
 41.82°N 122.41°W (Elev. 2746 ft)
9:41 pm PST Dec 29, 2025
11pm PST Dec 29, 2025-6pm PST Jan 5, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database