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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

48°F

9°C

Humidity 71%
Wind Speed W 18 MPH
Barometer 30.21 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 21 Feb 11:35 pm PST
Extended Forecast for

San Carlos CA

  • Tonight

    Tonight: Mostly clear, with a low around 36. West wind 6 to 14 mph, with gusts as high as 18 mph.

    Mostly Clear

    Low: 36 °F

  • Saturday

    Saturday: Patchy frost before 7am.  Otherwise, mostly sunny, with a high near 56. West northwest wind 14 to 21 mph, with gusts as high as 26 mph.

    Patchy Frost
    then Mostly
    Sunny

    High: 56 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 39. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 23 mph.

    Mostly Clear

    Low: 39 °F

  • Sunday

    Sunday: Sunny, with a high near 59. West wind 6 to 15 mph, with gusts as high as 20 mph.

    Sunny

    High: 59 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers, mainly after 4am.  Mostly cloudy, with a low around 43. West wind 9 to 14 mph, with gusts as high as 18 mph.  New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    Low: 43 °F

  • Monday

    Monday: A chance of showers before 10am, then rain likely after 10am.  Partly sunny, with a high near 54. Breezy.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Rain Likely
    and Breezy

    High: 54 °F

  • Monday
    Night

    Monday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 39.

    Slight Chance
    Showers

    Low: 39 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58.

    Mostly Sunny

    High: 58 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 41.

    Partly Cloudy

    Low: 41 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 36. West wind 6 to 14 mph, with gusts as high as 18 mph.
Saturday
Patchy frost before 7am. Otherwise, mostly sunny, with a high near 56. West northwest wind 14 to 21 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 39. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 23 mph.
Sunday
Sunny, with a high near 59. West wind 6 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A 30 percent chance of showers, mainly after 4am. Mostly cloudy, with a low around 43. West wind 9 to 14 mph, with gusts as high as 18 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 54. 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 39.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
A slight chance of showers. Mostly cloudy, with a low around 44.
Thursday
A chance of showers. Partly sunny, with a high near 57.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 43.
Friday
A chance of showers. Partly sunny, with a high near 56.
Click Map For Forecast
Point Forecast:
San Carlos CA
 37.5°N 122.25°W (Elev. 82 ft)
3:19 pm PST Feb 23, 2018
6pm PST Feb 23, 2018-6pm PST Mar 2, 2018
 
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