Major Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold in the North-Central U.S.

A large, long-duration winter storm is expected to bring widespread heavy snow, sleet, and freezing rain from the Southern Rockies/Plains into the Mid-South beginning Friday, spreading eastward to the Mid-Atlantic and New England this weekend. An Arctic front will bring frigid temperatures and gusty winds that will lead to dangerous wind chills from the Northern Plains and Upper Midwest. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Mostly Cloudy

52°F

11°C

Humidity 89%
Wind Speed N 3 MPH
Barometer 30.01 in (1016.26 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 22 Jan 05:56 AM PST
Extended Forecast for

Foster City CA

  • Today

    Today: Areas of fog before 10am.  Otherwise, mostly sunny, with a high near 64. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 64 °F

    Areas Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog.  Otherwise, increasing clouds, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 11am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 60. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 60 °F

    Areas Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog.  Otherwise, mostly clear, with a low around 44. Light northwest wind.

    Low: 44 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, sunny, with a high near 62. Calm wind becoming north northeast 5 to 7 mph in the morning.

    High: 62 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming north northwest around 5 mph in the afternoon.
Tonight
Patchy fog. Otherwise, increasing clouds, with a low around 46. Calm wind.
Friday
Areas of fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 60. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Patchy fog. Otherwise, mostly clear, with a low around 44. Light northwest wind.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 62. Calm wind becoming north northeast 5 to 7 mph in the morning.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Partly sunny, with a high near 62.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 63.
Monday Night
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 44.
Tuesday
Patchy fog. Otherwise, partly sunny, with a high near 63.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A chance of rain. Mostly cloudy, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Foster City CA
 37.54°N 122.29°W (Elev. 151 ft)
3:11 am PST Jan 22, 2026
6am PST Jan 22, 2026-6pm PST Jan 28, 2026
 
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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