National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

LAS TRAMPAS (LTRC1)

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

NA

50°F

10°C

Humidity 62%
Wind Speed NE 9 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 07 Dec 05:28 PM PST
Extended Forecast for

3 Miles W Danville CA

  • Tonight

    Tonight: Patchy fog between 8pm and midnight. Otherwise, mostly clear, with a low around 41. Light north northeast wind.

    Low: 41 °F

    Patchy Fog
    then Mostly
    Clear

  • Monday

    Monday: Patchy dense fog before 9am. Otherwise, sunny, with a high near 58. Light north wind.

    High: 58 °F

    Patchy Dense
    Fog then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. Light north wind.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog before 9pm. Otherwise, mostly clear, with a low around 45. Calm wind.

    Low: 45 °F

    Patchy Fog
    then Mostly
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Wednesday Night

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

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, sunny, with a high near 61.

    High: 61 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog between 8pm and midnight. Otherwise, mostly clear, with a low around 41. Light north northeast wind.
Monday
Patchy dense fog before 9am. Otherwise, sunny, with a high near 58. Light north wind.
Monday Night
Mostly clear, with a low around 43. Calm wind.
Tuesday
Sunny, with a high near 58. Light north wind.
Tuesday Night
Patchy fog before 9pm. Otherwise, mostly clear, with a low around 45. Calm wind.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Patchy fog before 10am. Otherwise, sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 44.
Friday
Patchy fog before 10am. Otherwise, sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 43.
Saturday
Patchy fog. Otherwise, sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Danville CA
 37.81°N 122.05°W (Elev. 1099 ft)
Last Update:
5:02 pm PST Dec 7, 2025
Forecast Valid:
6pm PST Dec 7, 2025-6pm PST Dec 14, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation