Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

BROOKS (BKSC1)

Lat: 38.73836°NLon: 122.14469°WElev: 354.0ft.

NA

42°F

6°C

Humidity 100%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 09 Dec 01:59 AM PST
Extended Forecast for

15 Miles NE Hidden Valley Lake CA

  • Overnight

    Overnight: Widespread haze. Mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Haze

  • Tuesday

    Tuesday: Widespread haze before 11am. Sunny, with a high near 59. Calm wind becoming north around 6 mph.

    High: 59 °F

    Haze then
    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 49. Calm wind.

    Low: 49 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 65. Calm wind becoming north northeast around 6 mph in the morning.

    High: 65 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 49. Calm wind.

    Low: 49 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Overnight
Widespread haze. Mostly clear, with a low around 45. Calm wind.
Tuesday
Widespread haze before 11am. Sunny, with a high near 59. Calm wind becoming north around 6 mph.
Tuesday Night
Clear, with a low around 49. Calm wind.
Wednesday
Sunny, with a high near 65. Calm wind becoming north northeast around 6 mph in the morning.
Wednesday Night
Clear, with a low around 49. Calm wind.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 65.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 46.
Monday
A chance of showers. Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NE Hidden Valley Lake CA
 38.98°N 122.35°W (Elev. 1198 ft)
1:20 am PST Dec 9, 2025
2am PST Dec 9, 2025-6pm PST Dec 15, 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