Tracking Late December Winter Storm Expected to Impact the Northern Plains through the Northeast U.S.

A winter storm system will rapidly intensify over the Midwest on Sunday and track through the Great Lakes on Monday. Periods of heavy snow are anticipated across the Upper Great Lakes late Sunday and continuing into Monday. At least 1/10 inch of ice accumulation is expected from a wintry mix across much of the interior Northeast U.S. starting Sunday afternoon. Read More >

Current conditions at

SAN FRANCISCO DOWNTOWN (SFOC1)

Lat: 37.77056°NLon: 122.42694°WElev: 150.0ft.

NA

50°F

10°C

Humidity 82%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 27 Dec 05:43 AM PST
Extended Forecast for

San Francisco CA

  • Today

    Today: Sunny, with a high near 54. North wind around 7 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 43. North northeast wind 3 to 5 mph.

    Low: 43 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 54. East northeast wind 5 to 7 mph.

    High: 54 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. Northeast wind around 7 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. Northeast wind 8 to 10 mph.

    High: 56 °F

    Sunny

  • Monday Night

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

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 54. North wind around 7 mph.
Tonight
Increasing clouds, with a low around 43. North northeast wind 3 to 5 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 54. East northeast wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 43. Northeast wind around 7 mph.
Monday
Sunny, with a high near 56. Northeast wind 8 to 10 mph.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Mostly sunny, with a high near 55.
Wednesday Night
A chance of rain after 10pm. Mostly cloudy, with a low around 45.
New Year's Day
A chance of rain. Mostly cloudy, with a high near 55.
Thursday Night
Rain likely. Mostly cloudy, with a low around 48.
Friday
Rain likely. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
San Francisco CA
 37.77°N 122.41°W (Elev. 131 ft)
12:27 am PST Dec 27, 2025
6am PST Dec 27, 2025-6pm PST Jan 2, 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