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: 37.77°NLon: -122.41°WElev: 150ft.

NA

13°C

55°F

Humidity 82%
Wind Speed NA
Barometer NA
Dewpoint 10°C (50°F)
Visibility NA
Last update 11 Feb 5:43 am PST
Extended Forecast for

San Francisco CA

High Surf Advisory February 11, 12:00pm until February 13, 08:00pm
Click here for hazard details and duration
High Surf Advisory
  • Today

    Today: Mostly sunny, with a high near 20. West wind 11 to 13 km/h.

    Mostly Sunny

    High: 20 °C

  • Tonight

    Tonight: Partly cloudy, with a low around 11. West southwest wind 8 to 18 km/h.

    Partly Cloudy

    Low: 11 °C

  • Friday

    Friday: Mostly sunny, with a high near 19. Light west wind increasing to 13 to 18 km/h in the morning.

    Mostly Sunny

    High: 19 °C

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 11. West wind 19 to 24 km/h decreasing to 11 to 16 km/h in the evening. Winds could gust as high as 29 km/h.

    Partly Cloudy

    Low: 11 °C

  • Saturday

    Saturday: Mostly sunny, with a high near 19. Calm wind becoming north 5 to 10 km/h in the morning.

    Mostly Sunny

    High: 19 °C

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 11.

    Partly Cloudy

    Low: 11 °C

  • Sunday

    Sunday: Mostly sunny, with a high near 22.

    Mostly Sunny

    High: 22 °C

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 13.

    Mostly Clear

    Low: 13 °C

  • Washington's
    Birthday

    Washington's Birthday: Sunny, with a high near 24.

    Sunny

    High: 24 °C

Detailed Forecast

Today
Mostly sunny, with a high near 20. West wind 11 to 13 km/h.
Tonight
Partly cloudy, with a low around 11. West southwest wind 8 to 18 km/h.
Friday
Mostly sunny, with a high near 19. Light west wind increasing to 13 to 18 km/h in the morning.
Friday Night
Partly cloudy, with a low around 11. West wind 19 to 24 km/h decreasing to 11 to 16 km/h in the evening. Winds could gust as high as 29 km/h.
Saturday
Mostly sunny, with a high near 19. Calm wind becoming north 5 to 10 km/h in the morning.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 22.
Sunday Night
Mostly clear, with a low around 13.
Washington's Birthday
Sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Mostly sunny, with a high near 23.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
A chance of rain. Partly sunny, with a high near 18.
Click Map For Forecast
Point Forecast:
San Francisco CA
 37.77°N 122.41°W (Elev. 40 m)
2:24 am PST Feb 11, 2016
9am PST Feb 11, 2016-6pm PST Feb 17, 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