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

San Francisco, San Francisco International Airport (KSFO)

Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.

Partly Cloudy

45°F

7°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 10 Dec 03:56 AM PST
Extended Forecast for

San Carlos Airport CA

  • Today

    Today: Sunny, with a high near 56. North northwest wind 3 to 7 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. Light northwest wind.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 60. North wind 3 to 7 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Light east northeast wind.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. North northeast wind 3 to 6 mph.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Sunny, with a high near 56. North northwest wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 46. Light northwest wind.
Thursday
Sunny, with a high near 60. North wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 46. Light east northeast wind.
Friday
Sunny, with a high near 61. North northeast wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 64.
Saturday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 47.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
A slight chance of rain. Mostly cloudy, with a high near 64.
Monday Night
A chance of rain. Mostly cloudy, with a low around 53.
Tuesday
A chance of rain. Mostly cloudy, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
San Carlos Airport CA
 37.55°N 122.24°W (Elev. 3 ft)
12:26 am PST Dec 10, 2025
4am PST Dec 10, 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