Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

Hayward, Hayward Air Terminal (KHWD)

Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.

Partly Cloudy

43°F

6°C

Humidity 92%
Wind Speed NE 8 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 41°F (5°C)
Visibility 8.00 mi
Wind Chill38°F (3°C)
Last update 11 Dec 07:54 AM PST
Extended Forecast for

2 Miles SSW San Lorenzo CA

  • Today

    Today: Sunny, with a high near 60. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. East northeast wind around 5 mph.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. Northeast wind around 5 mph becoming calm  in the morning.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 4am.  Otherwise, mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

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

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of rain after 4pm.  Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny
    then Slight
    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 60. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 44. East northeast wind around 5 mph.
Friday
Sunny, with a high near 61. Northeast wind around 5 mph becoming calm in the morning.
Friday Night
Mostly clear, with a low around 43. East northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 63. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Saturday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 44.
Sunday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 44.
Monday
A slight chance of rain after 4pm. Partly sunny, with a high near 62.
Monday Night
A chance of rain, mainly after 10pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 51.
Tuesday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 63.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 52.
Wednesday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW San Lorenzo CA
 37.66°N 122.15°W (Elev. 26 ft)
2:25 am PST Dec 11, 2025
8am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database