Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

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

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

Fog

40°F

4°C

Humidity 96%
Wind Speed ESE 5 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 39°F (4°C)
Visibility -0.25 mi
Wind Chill36°F (2°C)
Last update 18 Jan 10:24 PM PST
Extended Forecast for

6 Miles SSW Keyes CA

Dense Fog Advisory until January 19, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until January 19, 12:00pm

    NOW until 12:00pm Mon

    Dense Fog Advisory

  • Tonight

    Low: 42 °F

    Patchy Dense
    Fog

  • M.L.King Day

    M.L.King Day: Widespread haze. Patchy dense fog before 1pm.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 57. Light and variable wind.

    High: 57 °F

    Patchy Dense
    Fog

  • Monday Night

    Monday Night: Patchy fog after 7pm.  Otherwise, partly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before noon.  Otherwise, partly sunny, with a high near 60. Light north wind.

    High: 60 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog.  Otherwise, mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before noon.  Otherwise, mostly cloudy, with a high near 59.

    High: 59 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Patchy fog.  Otherwise, mostly cloudy, with a low around 44.

    Low: 44 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am.  Otherwise, partly sunny, with a high near 61.

    High: 61 °F

    Patchy Fog
    then Mostly
    Sunny

Detailed Forecast

Tonight
Widespread haze. Patchy dense fog. Otherwise, mostly cloudy, with a low around 42. Calm wind.
M.L.King Day
Widespread haze. Patchy dense fog before 1pm. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 57. Light and variable wind.
Monday Night
Patchy fog after 7pm. Otherwise, partly cloudy, with a low around 42. Calm wind.
Tuesday
Patchy fog before noon. Otherwise, partly sunny, with a high near 60. Light north wind.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 42. Calm wind.
Wednesday
Patchy fog before noon. Otherwise, mostly cloudy, with a high near 59.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 44.
Thursday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 61.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 43.
Friday
Patchy fog before noon. Otherwise, mostly sunny, with a high near 59.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 42.
Saturday
Patchy fog. Otherwise, partly sunny, with a high near 60.
Saturday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 43.
Sunday
Patchy fog. Otherwise, mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Keyes CA
 37.48°N 120.96°W (Elev. 66 ft)
1:21 pm PST Jan 18, 2026
10pm PST Jan 18, 2026-6pm PST Jan 25, 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