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.

Overcast

39°F

4°C

Humidity 86%
Wind Speed NW 5 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 26 Dec 11:00 PM PST
Extended Forecast for

6 Miles WSW Fort Jones CA

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Light north northwest wind.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 39. Light north wind.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Widespread fog, mainly between 1am and 2am. Widespread freezing fog after 4am. Otherwise, partly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Freezing Fog
    and Fog

  • Sunday

    Sunday: Patchy fog between 9am and 10am. Widespread freezing fog before 9am. Otherwise, mostly sunny, with a high near 42. Calm wind.

    High: 42 °F

    Freezing Fog
    and Patchy
    Fog then
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 26.

    Low: 26 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 26. Light north northwest wind.
Saturday
Mostly sunny, with a high near 39. Light north wind.
Saturday Night
Widespread fog, mainly between 1am and 2am. Widespread freezing fog after 4am. Otherwise, partly cloudy, with a low around 20. Calm wind.
Sunday
Patchy fog between 9am and 10am. Widespread freezing fog before 9am. Otherwise, mostly sunny, with a high near 42. Calm wind.
Sunday Night
Partly cloudy, with a low around 22. Calm wind.
Monday
Sunny, with a high near 44.
Monday Night
Clear, with a low around 26.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 30.
New Year's Day
A chance of showers. Snow level 5100 feet. Partly sunny, with a high near 48.
Thursday Night
A chance of rain and snow showers. Snow level 4800 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 30.
Friday
A chance of rain and snow showers. Snow level 3800 feet. Partly sunny, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Fort Jones CA
 41.58°N 122.97°W (Elev. 2946 ft)
Last Update:
10:26 pm PST Dec 26, 2025
Forecast Valid:
11pm PST Dec 26, 2025-6pm PST Jan 2, 2026
 
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