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

Modesto City-County Airport - Harry Sham Field (KMOD)

Lat: 37.62549°NLon: 120.9549°WElev: 85.0ft.

Mist

44°F

7°C

Humidity 95%
Wind Speed SSE 4 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 43°F (6°C)
Visibility 1.00 mi
Wind Chill42°F (6°C)
Last update 21 Jan 01:53 AM PST
Extended Forecast for

12 Miles SW Ripon 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 56. Light and variable wind.

    High: 56 °F

    Dense Fog
    then Cloudy

  • Wednesday Night

    Wednesday Night: Patchy dense fog before 9pm, then widespread dense fog after 11pm.  Otherwise, cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Dense Fog

  • Thursday

    Thursday: Mostly cloudy, with a high near 61. Light and variable wind becoming north around 5 mph in the afternoon.

    High: 61 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Light west southwest wind.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58.

    High: 58 °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 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

Overnight
Widespread dense fog, mainly after 4am. Otherwise, cloudy, with a low around 45. Calm wind.
Wednesday
Widespread dense fog, mainly before 10am. Otherwise, cloudy, with a high near 56. Light and variable wind.
Wednesday Night
Patchy dense fog before 9pm, then widespread dense fog after 11pm. Otherwise, cloudy, with a low around 47. Calm wind.
Thursday
Mostly cloudy, with a high near 61. Light and variable wind becoming north around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 43. Light west southwest wind.
Friday
Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Partly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Mostly cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SW Ripon CA
 37.61°N 121.28°W (Elev. 112 ft)
1:21 am PST Jan 21, 2026
2am 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