Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

DW3835 Orinda (D3835)

Lat: 37.85111°NLon: 122.155°WElev: 738.0ft.

NA

51°F

11°C

Humidity 80%
Wind Speed SSE 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 45°F (7°C)
Visibility NA
Last update 08 Dec 02:34 PM PST
Extended Forecast for

4 Miles SSE Lamorinda CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 54. North northeast wind around 5 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 9pm.  Otherwise, mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 10am.  Otherwise, sunny, with a high near 57. North northeast wind 3 to 5 mph.

    High: 57 °F

    Areas Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog.  Otherwise, mostly clear, with a low around 44. Calm wind.

    Low: 44 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 10am.  Otherwise, sunny, with a high near 64. Calm wind becoming north around 6 mph in the morning.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

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

    Low: 44 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am.  Otherwise, sunny, with a high near 63.

    High: 63 °F

    Patchy Fog
    then Sunny

  • Thursday Night

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

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 54. North northeast wind around 5 mph.
Tonight
Patchy fog after 9pm. Otherwise, mostly clear, with a low around 42. Calm wind.
Tuesday
Areas of fog before 10am. Otherwise, sunny, with a high near 57. North northeast wind 3 to 5 mph.
Tuesday Night
Patchy fog. Otherwise, mostly clear, with a low around 44. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, sunny, with a high near 64. Calm wind becoming north around 6 mph in the morning.
Wednesday Night
Patchy fog after 4am. Otherwise, mostly clear, with a low around 44.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 63.
Friday Night
Patchy fog before midnight, then patchy fog after 2am. Otherwise, mostly clear, with a low around 43.
Saturday
Patchy fog. Otherwise, mostly sunny, with a high near 62.
Saturday Night
Patchy fog. Otherwise, partly cloudy, with a low around 44.
Sunday
Patchy fog. Otherwise, partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Lamorinda CA
 37.8°N 122.13°W (Elev. 597 ft)
12:26 pm PST Dec 8, 2025
2pm PST Dec 8, 2025-6pm PST Dec 14, 2025
 
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Additional Resources

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