Severe Thunderstorms and Flash Flooding for the Central U.S. through Tuesday; Dangerous East Coast Beach Conditions

Thunderstorms ahead of an approaching cold front will impact much of the Central U.S. through Tuesday. Severe thunderstorms and flash flooding are forecast for portions of the central/southern Plains and the Mississippi, Ohio, and Tennessee Valleys. Meanwhile, dangerous waves and rip currents will impact portions of the East Coast as tropical activity increases in the Atlantic. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

Lat: 37.61961°NLon: 122.36558°WElev: 10.0ft.

Clear

66°F

19°C

Humidity	68%
Wind Speed	WNW 17 MPH
Barometer	29.78 in (1008.47 mb)
Dewpoint	55°F (13°C)
Visibility	10.00 mi
Last update	22 Sep 07:05 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

San Mateo CASimilar City Names

Tonight
Low: 60 °F
Clear
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 63 °F
Increasing
Clouds
Wednesday
High: 81 °F
Chance
Showers
Wednesday Night
Low: 61 °F
Slight Chance
T-storms then
Partly Cloudy
Thursday
High: 79 °F
Mostly Sunny
Thursday Night
Low: 58 °F
Partly Cloudy
Friday
High: 81 °F
Sunny
Friday Night
Low: 59 °F
Mostly Clear

Detailed Forecast

Tonight

Clear, with a low around 60. West wind around 6 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 91. Calm wind becoming northwest 5 to 8 mph in the afternoon.

Tuesday Night

Increasing clouds, with a low around 63. Southwest wind 3 to 6 mph.

Wednesday

A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 81. West wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 61. West wind 5 to 8 mph becoming calm in the evening.

Thursday

Mostly sunny, with a high near 79.

Thursday Night

Partly cloudy, with a low around 58.

Friday

Sunny, with a high near 81.

Friday Night

Mostly clear, with a low around 59.

Saturday

Sunny, with a high near 79.