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Severe Thunderstorms and Heavy Rain Exacerbate Ongoing Flooding; Cold and Wintry Continue Out West

A developing wave will bring a threat of severe thunderstorms Saturday from the Arklatex area to the Middle Mississippi Valley; and may produce tornadoes, damaging winds, and large hail; including potential for significant tornadoes and very large hail. Additional heavy rain will increase ongoing flooding. Heavy western mountain and Upper Midwest snow; and ice in the Northeast is also expected. Read More >

Hazardous Weather Conditions

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

Lat: 37.61961°NLon: 122.36558°WElev: 10ft.

Fair

52°F

11°C

Humidity 40%
Wind Speed W 17 MPH
Barometer 30.36 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 23 Feb 4:05 pm PST
Extended Forecast for

Foster City CA

  • Tonight

    Tonight: Mostly clear, with a low around 41. West wind 7 to 17 mph, with gusts as high as 22 mph.

    Mostly Clear

    Low: 41 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 54. Breezy, with a west northwest wind 16 to 22 mph, with gusts as high as 29 mph.

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

    High: 54 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 43. Breezy, with a north northwest wind 13 to 23 mph, with gusts as high as 30 mph.

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

    Low: 43 °F

  • Sunday

    Sunday: Sunny, with a high near 57. West northwest wind 9 to 17 mph, with gusts as high as 23 mph.

    Sunny

    High: 57 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers, mainly after 4am.  Mostly cloudy, with a low around 46. West southwest wind 9 to 18 mph, with gusts as high as 23 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    Low: 46 °F

  • Monday

    Monday: A chance of showers before 10am, then rain likely after 10am.  Partly sunny, with a high near 53. Breezy.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Rain Likely
    and Breezy

    High: 53 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 43.

    Slight Chance
    Showers

    Low: 43 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57.

    Mostly Sunny

    High: 57 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 44.

    Partly Cloudy

    Low: 44 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 41. West wind 7 to 17 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 54. Breezy, with a west northwest wind 16 to 22 mph, with gusts as high as 29 mph.
Saturday Night
Mostly clear, with a low around 43. Breezy, with a north northwest wind 13 to 23 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 57. West northwest wind 9 to 17 mph, with gusts as high as 23 mph.
Sunday Night
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 46. West southwest wind 9 to 18 mph, with gusts as high as 23 mph. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of showers before 10am, then rain likely after 10am. Partly sunny, with a high near 53. Breezy. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 47.
Thursday
A chance of showers. Partly sunny, with a high near 55.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 46.
Friday
A chance of showers. Partly sunny, with a high near 55.
Click Map For Forecast
Point Forecast:
Foster City CA
 37.57°N 122.27°W (Elev. 3 ft)
3:19 pm PST Feb 23, 2018
4pm PST Feb 23, 2018-6pm PST Mar 2, 2018
 
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