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

52°F

11°C

Humidity 70%
Wind Speed NA NA MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 27 Dec 10:43 AM PST
Extended Forecast for

Colma CA

  • Today

    Today: Sunny, with a high near 54. North wind around 9 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 42. Northeast wind around 6 mph.

    Low: 42 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 54. East southeast wind 6 to 8 mph becoming northeast in the afternoon.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. Northeast wind around 10 mph.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56. Northeast wind around 11 mph.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 10am.  Mostly cloudy, with a high near 56.

    High: 56 °F

    Slight Chance
    Rain

Detailed Forecast

Today
Sunny, with a high near 54. North wind around 9 mph.
Tonight
Increasing clouds, with a low around 42. Northeast wind around 6 mph.
Sunday
Sunny, with a high near 54. East southeast wind 6 to 8 mph becoming northeast in the afternoon.
Sunday Night
Mostly clear, with a low around 42. Northeast wind around 10 mph.
Monday
Sunny, with a high near 56. Northeast wind around 11 mph.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
A slight chance of rain after 10am. Mostly cloudy, with a high near 56.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 46.
New Year's Day
Rain likely. Mostly cloudy, with a high near 56.
Thursday Night
Rain likely. Mostly cloudy, with a low around 48.
Friday
A chance of rain. Mostly cloudy, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
Colma CA
 37.7°N 122.45°W (Elev. 659 ft)
11:05 am PST Dec 27, 2025
11am PST Dec 27, 2025-6pm PST Jan 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database