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

Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Freezing Fog

28°F

-2°C

Humidity 93%
Wind Speed S 3 mph
Barometer 30.27 in
Dewpoint 27°F (-3°C)
Visibility 0.15 mi
Last update 4 Mar 7:55 am EST
Extended Forecast for

Marine City MI

Dense Fog Advisory until March 4, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until March 4, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Today

    High: 47 °F

    Dense Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: A chance of rain, mainly after 2am. Mostly cloudy, with a low around 34. Light east wind. Chance of precipitation is 40%.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain. High near 45. East wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 45 °F

    Rain Likely
    then Rain

  • Thursday Night

    Thursday Night: A chance of rain before 1am. Cloudy, with a low around 38. East northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 38 °F

    Chance Rain

  • Friday

    Friday: Mostly cloudy, with a high near 57. Calm wind becoming south southeast 5 to 8 mph in the afternoon.

    High: 57 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Rain likely, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Rain Likely

  • Saturday

    Saturday: Rain and possibly a thunderstorm. High near 62. Chance of precipitation is 80%.

    High: 62 °F

    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Today
Widespread dense fog before 8am. Otherwise, mostly sunny, with a high near 47. Calm wind becoming southeast around 5 mph.
Tonight
A chance of rain, mainly after 2am. Mostly cloudy, with a low around 34. Light east wind. Chance of precipitation is 40%.
Thursday
Rain. High near 45. East wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A chance of rain before 1am. Cloudy, with a low around 38. East northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Friday
Mostly cloudy, with a high near 57. Calm wind becoming south southeast 5 to 8 mph in the afternoon.
Friday Night
Rain likely, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Saturday
Rain and possibly a thunderstorm. High near 62. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 49.
Tuesday
A chance of rain. Partly sunny, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marine City MI
 42.71°N 82.49°W (Elev. 581 ft)
Last Update:
3:24 am EST Mar 4, 2026
Forecast Valid:
7am EST Mar 4, 2026-6pm EDT Mar 10, 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