Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Portola - Gulling Street (CQ236)

Lat: 39.81336°NLon: 120.47069°WElev: 4895.0ft.

NA

33°F

1°C

Humidity 87%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 10 Dec 10:00 PM PST
Extended Forecast for

Portola CA

  • Tonight

    Tonight: Clear, with a low around 32. Calm wind.

    Low: 32 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 63. Calm wind.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Calm wind becoming east around 5 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62. Calm wind.

    High: 62 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 32. Calm wind.
Thursday
Sunny, with a high near 63. Calm wind.
Thursday Night
Mostly clear, with a low around 27. Calm wind.
Friday
Sunny, with a high near 60. Calm wind becoming east around 5 mph.
Friday Night
Mostly clear, with a low around 25. Calm wind.
Saturday
Sunny, with a high near 62. Calm wind.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 59.
Monday Night
A slight chance of rain. Mostly cloudy, with a low around 36.
Tuesday
A chance of rain. Partly sunny, with a high near 56.
Tuesday Night
A chance of rain. Snow level 8100 feet. Mostly cloudy, with a low around 36.
Wednesday
A chance of rain. Snow level 7700 feet. Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Portola CA
 39.81°N 120.46°W (Elev. 4984 ft)
10:30 pm PST Dec 10, 2025
11pm PST Dec 10, 2025-6pm PST Dec 17, 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