Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Hazardous Weather Conditions

Cold Weather Advisory in effect from February 20, 01:00 AM PST until February 20, 09:00 AM PST

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Partly Cloudy

47°F

8°C

Humidity	70%
Wind Speed	WNW 16 MPH
Barometer	29.93 in (1013.55 mb)
Dewpoint	38°F (3°C)
Visibility	10.00 mi
Wind Chill	41°F (5°C)
Last update	19 Feb 10:56 PM PST

More Information:

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

Extended Forecast for

2 Miles SE Colma CA

Cold Weather Advisory February 20, 01:00am until February 20, 09:00am

Click here for hazard details and duration

Cold Weather Advisory

Tonight
Low: 42 °F
Partly Cloudy
Friday
High: 55 °F
Partly Sunny
Friday Night
Low: 42 °F
Partly Cloudy
Saturday
High: 60 °F
Partly Sunny
then Slight
Chance Rain
Saturday Night
Low: 51 °F
Chance Rain
Sunday
High: 64 °F
Chance Rain
Sunday Night
Low: 53 °F
Chance Rain
Monday
High: 66 °F
Rain Likely
Monday Night
Low: 54 °F
Rain

Detailed Forecast

Tonight

Partly cloudy, with a low around 42. Northwest wind 6 to 9 mph, with gusts as high as 20 mph.

Friday

Partly sunny, with a high near 55. Calm wind becoming north northeast around 5 mph.

Friday Night

Partly cloudy, with a low around 42. Calm wind becoming southeast around 5 mph after midnight.

Saturday

A 10 percent chance of rain after 4pm. Partly sunny, with a high near 60. South wind 7 to 14 mph, with gusts as high as 24 mph.

Saturday Night

A 30 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 51. South southeast wind 11 to 14 mph, with gusts as high as 26 mph. New precipitation amounts of less than a tenth of an inch possible.

Sunday

A 50 percent chance of rain. Partly sunny, with a high near 64. New precipitation amounts of less than a tenth of an inch possible.

Sunday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 53.

Monday

Rain likely, mainly after 4pm. Mostly cloudy, with a high near 66.

Monday Night

Rain. Cloudy, with a low around 54.

Tuesday

Rain. Cloudy, with a high near 62.

Tuesday Night

Rain likely. Cloudy, with a low around 52.