Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. 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 100%
Wind Speed SW 3 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 34°F (1°C)
Visibility 8.00 mi
Last update 08 Dec 03:00 AM PST
Extended Forecast for

7 Miles E Montague CA

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am.  Otherwise, partly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. South wind 5 to 8 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. West southwest wind around 7 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. South wind around 6 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 9am.  Otherwise, sunny, with a high near 59.

    High: 59 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 32. Calm wind.
Monday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 54. Calm wind.
Monday Night
Partly cloudy, with a low around 34. South wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 57. West southwest wind around 7 mph.
Tuesday Night
Partly cloudy, with a low around 35. South wind around 6 mph.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 34.
Thursday
Patchy fog before 9am. Otherwise, sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles E Montague CA
 41.71°N 122.41°W (Elev. 2776 ft)
2:21 am PST Dec 8, 2025
3am PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database