Heavy Lake Effect Snow and Bitterly Cold Temperatures

A bitterly cold airmass will settle over much of the central and eastern U.S over the next several days. Well below normal temperatures and cold wind chills will be common. In addition, heavy lake effect snow will be possible especially downwind of Lakes Erie and Ontario, where up to one foot of additional snow is forecast by Sunday morning.
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Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

Lat: 37.78°NLon: -122.38°WElev: 150ft.

NA

62°F

17°C

Humidity 76%
Wind Speed NA
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 12 Feb 3:43 pm PST
Extended Forecast for

San Francisco CA

High Surf Advisory until February 13, 08:00pm
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory until February 13, 08:00pm

    NOW until
    8:00pm Sat

    High Surf Advisory

  • This
    Afternoon

    This Afternoon: Partly sunny, with a high near 65. West wind around 13 mph.

    Partly Sunny

    High: 65 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 50. West wind 5 to 7 mph.

    Partly Cloudy

    Low: 50 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.

    Mostly Sunny

    High: 65 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 51. West wind 6 to 10 mph.

    Partly Cloudy

    Low: 51 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 73. North northwest wind 3 to 5 mph.

    Mostly Sunny

    High: 73 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 53.

    Mostly Clear

    Low: 53 °F

  • Washington's
    Birthday

    Washington's Birthday: Sunny, with a high near 75.

    Sunny

    High: 75 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 52.

    Partly Cloudy

    Low: 52 °F

Detailed Forecast

This Afternoon
Partly sunny, with a high near 65. West wind around 13 mph.
Tonight
Partly cloudy, with a low around 50. West wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 65. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 51. West wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 73. North northwest wind 3 to 5 mph.
Sunday Night
Mostly clear, with a low around 53.
Washington's Birthday
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
A chance of rain. Partly sunny, with a high near 63.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 51.
Thursday
A chance of rain. Partly sunny, with a high near 60.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 51.
Friday
A slight chance of showers. Partly sunny, with a high near 63.
Click Map For Forecast
Point Forecast:
San Francisco CA
 37.78°N 122.38°W (Elev. 0 ft)
9:58 am PST Feb 12, 2016
4pm PST Feb 12, 2016-6pm PST Feb 19, 2016
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database