Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

DIABLO GRANDE (DBLC1)

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

NA

53°F

12°C

Humidity 42%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 21 Jan 04:00 AM PST
Extended Forecast for

15 Miles SW Turlock CA

Dense Fog Advisory until January 21, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 21, 12:00pm

    NOW until 12:00pm Wed

    Dense Fog Advisory

  • Overnight

    Low: 45 °F

    Dense Fog

  • Wednesday

    Wednesday: Widespread dense fog, mainly before 10am.  Otherwise, cloudy, with a high near 55. Calm wind.

    High: 55 °F

    Dense Fog
    then Cloudy

  • Wednesday Night

    Wednesday Night: Widespread dense fog, mainly after midnight.  Otherwise, cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Dense Fog

  • Thursday

    Thursday: Mostly cloudy, with a high near 60. Light and variable wind.

    High: 60 °F

    Mostly Cloudy

  • Thursday Night

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

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Friday Night

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

    Low: 42 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Overnight
Widespread dense fog. Otherwise, cloudy, with a low around 45. Calm wind.
Wednesday
Widespread dense fog, mainly before 10am. Otherwise, cloudy, with a high near 55. Calm wind.
Wednesday Night
Widespread dense fog, mainly after midnight. Otherwise, cloudy, with a low around 46. Calm wind.
Thursday
Mostly cloudy, with a high near 60. Light and variable wind.
Thursday Night
Partly cloudy, with a low around 43. Calm wind.
Friday
Mostly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly cloudy, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Mostly cloudy, with a high near 58.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SW Turlock CA
 37.33°N 121.04°W (Elev. 98 ft)
1:21 am PST Jan 21, 2026
4am PST Jan 21, 2026-6pm PST Jan 27, 2026
 
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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