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.

Overcast

46°F

8°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 07 Dec 06:00 PM PST
Extended Forecast for

10 Miles W Macdoel CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. West southwest wind 8 to 17 mph, with gusts as high as 26 mph.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 44. West southwest wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. Southwest wind 16 to 21 mph, with gusts as high as 31 mph.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 10am.  Snow level 8000 feet rising to 9300 feet in the afternoon. Partly sunny, with a high near 45. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 37 mph.

    High: 45 °F

    Slight Chance
    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain.  Snow level 9300 feet. Mostly cloudy, with a low around 38. Breezy, with a southwest wind around 24 mph, with gusts as high as 37 mph.

    Low: 38 °F

    Slight Chance
    Rain and
    Breezy

  • Wednesday

    Wednesday: A 20 percent chance of rain before 10am.  Snow level 8400 feet. Partly sunny, with a high near 47. Breezy.

    High: 47 °F

    Breezy.
    Slight Chance
    Rain then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. West southwest wind 8 to 17 mph, with gusts as high as 26 mph.
Monday
Mostly sunny, with a high near 44. West southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 35. Southwest wind 16 to 21 mph, with gusts as high as 31 mph.
Tuesday
A 20 percent chance of rain after 10am. Snow level 8000 feet rising to 9300 feet in the afternoon. Partly sunny, with a high near 45. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 37 mph.
Tuesday Night
A 20 percent chance of rain. Snow level 9300 feet. Mostly cloudy, with a low around 38. Breezy, with a southwest wind around 24 mph, with gusts as high as 37 mph.
Wednesday
A 20 percent chance of rain before 10am. Snow level 8400 feet. Partly sunny, with a high near 47. Breezy.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 48.
Thursday Night
Mostly clear, with a low around 34.
Friday
Sunny, with a high near 48.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
A slight chance of rain. Snow level 6900 feet. Mostly sunny, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles W Macdoel CA
 41.81°N 122.19°W (Elev. 6378 ft)
3:41 pm PST Dec 7, 2025
6pm PST Dec 7, 2025-6pm PST Dec 14, 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