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

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

5°F

-15°C

Humidity 78%
Wind Speed Calm
Barometer 30.32 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 4 Feb 5:56 am EST
Extended Forecast for

3 Miles WSW Marine City MI

  • Today

    Today: Partly sunny, with a high near 24. North northwest wind 3 to 6 mph.

    High: 24 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 7. Calm wind.

    Low: 7 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow after 2pm. Cloudy, with a high near 23. Light southwest wind becoming south southwest 5 to 10 mph in the morning. Chance of precipitation is 40%.

    High: 23 °F

    Cloudy then
    Chance Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly after 1am. Cloudy, with a low around 19. South southwest wind around 9 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 19 °F

    Snow Likely

  • Friday

    Friday: Snow before 1pm. High near 34. South southwest wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 34 °F

    Snow

  • Friday Night

    Friday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 14.

    High: 14 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 5.

    Low: 5 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 20.

    High: 20 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 24. North northwest wind 3 to 6 mph.
Tonight
Mostly cloudy, with a low around 7. Calm wind.
Thursday
A chance of snow after 2pm. Cloudy, with a high near 23. Light southwest wind becoming south southwest 5 to 10 mph in the morning. Chance of precipitation is 40%.
Thursday Night
Snow likely, mainly after 1am. Cloudy, with a low around 19. South southwest wind around 9 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow before 1pm. High near 34. South southwest wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Friday Night
Partly cloudy, with a low around 3.
Saturday
Mostly sunny, with a high near 14.
Saturday Night
Mostly cloudy, with a low around 5.
Sunday
Partly sunny, with a high near 20.
Sunday Night
Mostly cloudy, with a low around 6.
Monday
Partly sunny, with a high near 25.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Marine City MI
 42.69°N 82.55°W (Elev. 600 ft)
Last Update:
3:25 am EST Feb 4, 2026
Forecast Valid:
6am EST Feb 4, 2026-6pm EST Feb 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