Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

34°F

1°C

Humidity 96%
Wind Speed N 4 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 09 Dec 09:53 PM PST
Extended Forecast for

7 Miles E Montague CA

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 34. Calm wind becoming north northwest around 6 mph.

    Low: 34 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy dense fog before 11am.  Otherwise, partly sunny, then gradually becoming sunny, with a high near 59. Calm wind.

    High: 59 °F

    Patchy Dense
    Fog then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32. Light east southeast wind.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 58. Calm wind.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. Calm wind becoming east southeast around 5 mph in the evening.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 34. Calm wind becoming north northwest around 6 mph.
Wednesday
Patchy dense fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 59. Calm wind.
Wednesday Night
Mostly clear, with a low around 32. Light east southeast wind.
Thursday
Sunny, with a high near 58. Calm wind.
Thursday Night
Mostly clear, with a low around 32. Calm wind becoming east southeast around 5 mph in the evening.
Friday
Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 56.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 35.
Monday
A chance of rain. Mostly cloudy, with a high near 55.
Monday Night
A chance of rain. Mostly cloudy, with a low around 38.
Tuesday
A chance of rain. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles E Montague CA
 41.71°N 122.41°W (Elev. 2776 ft)
9:41 pm PST Dec 9, 2025
10pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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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