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

Tracking Winter Weather and Frigid Temperatures This Weekend

Another clipper will drop into the Northern Plains and Upper Midwest into Sunday with snow and gusty winds contributing to some areas of blizzard conditions and snow squalls. Impactful snowfall will occur up and down the East Coast Sunday extending from the western Florida Panhandle to Maine. Read More >

Hazardous Weather Conditions

Current conditions at

DIABLO GRANDE (DBLC1)

Lat: 37.32927°NLon: 121.29538°WElev: 1861.0ft.

NA

62°F

17°C

Humidity 30%
Wind Speed N 3 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 18 Jan 10:00 AM PST
Extended Forecast for

14 Miles SW Keyes CA

Dense Fog Advisory until January 18, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 18, 12:00pm

    NOW until 12:00pm Sun

    Dense Fog Advisory

  • Today

    High: 57 °F

    Dense Fog
    then Haze

  • Tonight

    Tonight: Widespread haze. Widespread dense fog, mainly after 9pm. Otherwise, mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Dense Fog

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 59. Light and variable wind.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 61. Light north northeast wind.

    High: 61 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

Detailed Forecast

Today
Widespread haze. Widespread dense fog before 11am. Otherwise, partly sunny, with a high near 57. Light north northeast wind.
Tonight
Widespread haze. Widespread dense fog, mainly after 9pm. Otherwise, mostly cloudy, with a low around 43. Calm wind.
M.L.King Day
Mostly sunny, with a high near 59. Light and variable wind.
Monday Night
Partly cloudy, with a low around 42. Calm wind.
Tuesday
Mostly sunny, with a high near 61. Light north northeast wind.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Partly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 59.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 58.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SW Keyes CA
 37.44°N 121.09°W (Elev. 105 ft)
Last Update:
1:21 am PST Jan 18, 2026
Forecast Valid:
10am PST Jan 18, 2026-6pm PST Jan 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation