Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

Lat: 37.83389°NLon: 122.06694°WElev: 1760.0ft.

NA

52°F

11°C

Humidity 66%
Wind Speed E 21 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 10 Dec 10:28 AM PST
Extended Forecast for

Danville CA

  • Today

    Today: Sunny, with a high near 51. North northwest wind 3 to 5 mph.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Patchy dense fog after 2am.  Otherwise, mostly clear, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Clear
    then Patchy
    Dense Fog

  • Thursday

    Thursday: Patchy dense fog before 9am.  Otherwise, sunny, with a high near 56. Light north northeast wind.

    High: 56 °F

    Patchy Dense
    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 8am.  Otherwise, sunny, with a high near 58. Light east northeast wind.

    High: 58 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 62.

    High: 62 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 41.

    Low: 41 °F

    Patchy Fog

  • Sunday

    Sunday: Areas of fog before 10am.  Otherwise, mostly sunny, with a high near 60.

    High: 60 °F

    Areas Fog
    then Mostly
    Sunny

Detailed Forecast

Today
Sunny, with a high near 51. North northwest wind 3 to 5 mph.
Tonight
Patchy dense fog after 2am. Otherwise, mostly clear, with a low around 41. Calm wind.
Thursday
Patchy dense fog before 9am. Otherwise, sunny, with a high near 56. Light north northeast wind.
Thursday Night
Mostly clear, with a low around 40. Calm wind.
Friday
Patchy fog before 8am. Otherwise, sunny, with a high near 58. Light east northeast wind.
Friday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 40.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 62.
Saturday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 41.
Sunday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 60.
Sunday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 44.
Monday
A slight chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 62.
Monday Night
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a low around 50.
Tuesday
A chance of rain. Patchy fog. Otherwise, mostly cloudy, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Danville CA
 37.84°N 122°W (Elev. 587 ft)
12:26 am PST Dec 10, 2025
11am PST Dec 10, 2025-6pm PST Dec 16, 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