Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

51°F

11°C

Humidity 33%
Wind Speed NW 1 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 13 Jan 06:00 AM PST
Extended Forecast for

14 Miles SW Keyes CA

Dense Fog Advisory until January 13, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until January 13, 10:00am

    NOW until 10:00am Tue

    Dense Fog Advisory

  • Today

    High: 58 °F

    Dense Fog
    then Sunny

  • Tonight

    Tonight: Widespread dense fog, mainly after 2am.  Otherwise, mostly clear, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Clear
    then Dense
    Fog

  • Wednesday

    Wednesday: Sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog between 7am and 8am.  Otherwise, mostly sunny, with a high near 60. Light and variable wind.

    High: 60 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Today
Widespread dense fog, mainly before 8am. Otherwise, sunny, with a high near 58. Calm wind becoming north around 5 mph in the afternoon.
Tonight
Widespread dense fog, mainly after 2am. Otherwise, mostly clear, with a low around 40. Calm wind.
Wednesday
Sunny, with a high near 60. Light and variable wind.
Wednesday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 42. Calm wind.
Thursday
Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 60. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 44.
M.L.King Day
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SW Keyes CA
 37.44°N 121.09°W (Elev. 105 ft)
1:21 am PST Jan 13, 2026
6am PST Jan 13, 2026-6pm PST Jan 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database