Atmospheric River to Impact the Northwest; Windy Conditions in the Northeast

A strong atmospheric river moving into northern California later today will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through Wednesday. Gusty winds and isolated showers are expected today in the Northeast U.S. behind a cold front. Wind Advisories have been issued. Read More >

Current conditions at

SJSU - Mount Diablo Summit Museum Rooftop (SJS02)

Lat: 37.881699°NLon: 121.914173°WElev: 3904.0ft.

NA

53°F

12°C

Humidity 84%
Wind Speed SSE 7 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 04 Nov 11:50 AM PST
Extended Forecast for

3 Miles ESE Danville CA

Wind Advisory November 4, 10:00pm until November 5, 04:00pm
Click here for hazard details and duration
Wind Advisory
  • This Afternoon

    This Afternoon: Partly sunny, with a high near 72. South southwest wind 3 to 6 mph.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers after 10pm.  Mostly cloudy, with a low around 55. South southeast wind 6 to 9 mph, with gusts as high as 29 mph.  New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  High near 64. South wind 10 to 15 mph, with gusts as high as 40 mph.  Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers, mainly before 10pm.  Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 53. Calm wind.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Areas of fog before 11am.  Otherwise, mostly sunny, with a high near 68. Light west northwest wind.

    High: 68 °F

    Areas Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 51.

    Low: 51 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 69.

    High: 69 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 72. South southwest wind 3 to 6 mph.
Tonight
A 30 percent chance of showers after 10pm. Mostly cloudy, with a low around 55. South southeast wind 6 to 9 mph, with gusts as high as 29 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 64. South wind 10 to 15 mph, with gusts as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 40 percent chance of showers, mainly before 10pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 53. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Areas of fog before 11am. Otherwise, mostly sunny, with a high near 68. Light west northwest wind.
Thursday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 51.
Friday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
A slight chance of showers. Partly sunny, with a high near 72.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 53.
Monday
A slight chance of showers. Partly sunny, with a high near 71.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Danville CA
 37.8°N 121.96°W (Elev. 604 ft)
2:10 am PST Nov 4, 2025
12pm PST Nov 4, 2025-6pm PST Nov 10, 2025
 
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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