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.

Clear

46°F

8°C

Humidity 93%
Wind Speed N 5 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 09 Dec 11:20 PM PST
Extended Forecast for

San Carlos Airport CA

  • Tonight

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

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66. North northwest wind 3 to 7 mph.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. Light northeast wind.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. North wind 3 to 7 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47. East northeast wind 3 to 5 mph.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Friday Night

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

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 46. Light northwest wind.
Wednesday
Sunny, with a high near 66. North northwest wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 47. Light northeast wind.
Thursday
Sunny, with a high near 68. North wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 47. East northeast wind 3 to 5 mph.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 46.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
A slight chance of rain. Partly sunny, with a high near 64.
Monday Night
A chance of rain. Mostly cloudy, with a low around 52.
Tuesday
A chance of rain. Partly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
San Carlos Airport CA
 37.55°N 122.24°W (Elev. 3 ft)
12:26 pm PST Dec 9, 2025
11pm PST Dec 9, 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