Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

Lat: 37.77056°NLon: 122.42694°WElev: 150.0ft.

NA

45°F

7°C

Humidity 100%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 11 Dec 08:43 AM PST
Extended Forecast for

San Francisco CA

  • Today

    Today: Sunny, with a high near 55. North wind around 11 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. North northwest wind 3 to 7 mph.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57. North wind 8 to 10 mph.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. North wind 5 to 7 mph.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61. Light and variable wind becoming west 5 to 7 mph in the afternoon.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 5am.  Otherwise, partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: A slight chance of rain after 4pm.  Patchy fog before 7am.  Otherwise, partly sunny, with a high near 61.

    High: 61 °F

    Patchy Fog
    then Slight
    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 55. North wind around 11 mph.
Tonight
Mostly clear, with a low around 46. North northwest wind 3 to 7 mph.
Friday
Sunny, with a high near 57. North wind 8 to 10 mph.
Friday Night
Mostly clear, with a low around 45. North wind 5 to 7 mph.
Saturday
Sunny, with a high near 61. Light and variable wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 46.
Sunday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 60.
Sunday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 46.
Monday
A slight chance of rain after 4pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 61.
Monday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 52.
Tuesday
A chance of rain. Mostly cloudy, with a high near 62.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 54.
Wednesday
A chance of rain. Mostly cloudy, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
San Francisco CA
 37.77°N 122.41°W (Elev. 131 ft)
2:25 am PST Dec 11, 2025
9am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database