Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Clear

54°F

12°C

Humidity	93%
Wind Speed	WNW 11 MPH
Barometer	30.17 in (1021.67 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	12 Feb 11:35 PM PST

More Information:

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

Extended Forecast for

San Mateo CA

Tonight
Low: 47 °F
Partly Cloudy
Friday
High: 62 °F
Decreasing
Clouds
Friday Night
Low: 45 °F
Partly Cloudy
then Areas
Fog
Saturday
High: 61 °F
Patchy Fog
then Mostly
Cloudy
Saturday Night
Low: 50 °F
Showers
Likely
Sunday
High: 60 °F
Showers
Sunday Night
Low: 48 °F
Showers
Washington's Birthday
High: 58 °F
Showers
Monday Night
Low: 45 °F
Showers

Detailed Forecast

Tonight

Partly cloudy, with a low around 47. Light west wind.

Friday

Mostly cloudy, then gradually becoming sunny, with a high near 62. Calm wind becoming west 5 to 7 mph in the afternoon.

Friday Night

Areas of fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 45. West wind around 5 mph becoming calm in the evening.

Saturday

Patchy fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 61. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

Saturday Night

Showers likely, mainly after 10pm. Mostly cloudy, with a low around 50. South southeast wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Sunday

Showers. High near 60. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Showers. Low around 48. Chance of precipitation is 100%.

Washington's Birthday

Showers. Cloudy, with a high near 58.

Monday Night

Showers. Cloudy, with a low around 45.

Tuesday

Showers. Cloudy, with a high near 54.

Tuesday Night

Showers likely. Mostly cloudy, with a low around 43.