Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

San Francisco, San Francisco International Airport (KSFO)

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

Clear

46°F

8°C

Humidity 93%
Wind Speed N 4 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 45°F (7°C)
Visibility 8.00 mi
Wind Chill44°F (7°C)
Last update 10 Dec 12:20 AM PST
Extended Forecast for

Belmont CA

  • Overnight

    Overnight: Mostly clear, with a low around 43. North northwest wind 3 to 5 mph.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57. North wind 5 to 7 mph.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. Northwest wind 3 to 5 mph.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 60. North wind 5 to 7 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. East northeast wind around 5 mph.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 43. North northwest wind 3 to 5 mph.
Wednesday
Sunny, with a high near 57. North wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 46. Northwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 60. North wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 46. East northeast wind around 5 mph.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 46.
Saturday
Sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 48.
Monday
A slight chance of rain. Partly sunny, with a high near 64.
Monday Night
A chance of rain. Mostly cloudy, with a low around 52.
Tuesday
A chance of rain. Partly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Belmont CA
 37.52°N 122.29°W (Elev. 207 ft)
12:26 am PST Dec 10, 2025
12am PST Dec 10, 2025-6pm PST Dec 16, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database