National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

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

NA

64°F

18°C

Humidity 69%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 12 Nov 11:43 AM PST
Extended Forecast for

Colma CA

Wind Advisory November 12, 10:00pm until November 13, 10:00am
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 68. South wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers. Low around 58. Breezy, with a south southeast wind 21 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 1pm, then showers likely. High near 66. Breezy, with a south southwest wind 17 to 22 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 66 °F

    Breezy.
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 52. South southwest wind 7 to 11 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers before 4pm. Mostly sunny, with a high near 63. East wind 7 to 10 mph becoming north northwest in the afternoon.

    High: 63 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers between 10pm and 4am. Partly cloudy, with a low around 50. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers after 10am. Mostly sunny, with a high near 64.

    High: 64 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A chance of showers, mainly after 10am. Mostly cloudy, with a high near 62.

    High: 62 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 68. South wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Tonight
Showers. Low around 58. Breezy, with a south southeast wind 21 to 23 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm before 1pm, then showers likely. High near 66. Breezy, with a south southwest wind 17 to 22 mph, with gusts as high as 47 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52. South southwest wind 7 to 11 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of showers before 4pm. Mostly sunny, with a high near 63. East wind 7 to 10 mph becoming north northwest in the afternoon.
Friday Night
A chance of showers between 10pm and 4am. Partly cloudy, with a low around 50. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of showers after 10am. Mostly sunny, with a high near 64.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 53.
Sunday
A chance of showers, mainly after 10am. Mostly cloudy, with a high near 62.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 51.
Monday
A chance of showers. Partly sunny, with a high near 60.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Colma CA
 37.68°N 122.44°W (Elev. 338 ft)
Last Update:
4:31 am PST Nov 12, 2025
Forecast Valid:
12pm PST Nov 12, 2025-6pm PST Nov 18, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation