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Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Partly Cloudy

9°F

-13°C

Humidity 66%
Wind Speed Calm
Barometer 30.28 in
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 21 Jan 12:35 am EST
Extended Forecast for

Marine City MI

Winter Weather Advisory January 21, 03:00am until January 21, 01:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A chance of snow after 4am. Mostly cloudy, with a temperature rising to around 16 by 5am. South wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 10 °F⇑

    Chance Snow

  • Wednesday

    Wednesday: Snow, mainly before 1pm. High near 32. South wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of around 2 inches.

    High: 32 °F

    Snow

  • Wednesday Night

    Wednesday Night: A chance of snow after 1am. Mostly cloudy, with a low around 20. West southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 20 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: Partly sunny, with a high near 25. West wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 25 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 3. West wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 3 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 8.

    High: 8 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around -7.

    Low: -7 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny and cold, with a high near 9.

    High: 9 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 0.

    Low: 0 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of snow after 4am. Mostly cloudy, with a temperature rising to around 16 by 5am. South wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday
Snow, mainly before 1pm. High near 32. South wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of around 2 inches.
Wednesday Night
A chance of snow after 1am. Mostly cloudy, with a low around 20. West southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 25. West wind 10 to 14 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around 3. West wind 8 to 10 mph, with gusts as high as 18 mph.
Friday
Mostly sunny and cold, with a high near 8.
Friday Night
Mostly clear, with a low around -7.
Saturday
Partly sunny and cold, with a high near 9.
Saturday Night
Mostly cloudy, with a low around 0.
Sunday
Mostly cloudy, with a high near 14.
Sunday Night
Mostly cloudy, with a low around 1.
Monday
Partly sunny, with a high near 18.
Monday Night
Partly cloudy, with a low around 5.
Tuesday
Partly sunny, with a high near 20.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marine City MI
 42.71°N 82.49°W (Elev. 581 ft)
Last Update:
10:24 pm EST Jan 20, 2026
Forecast Valid:
12am EST Jan 21, 2026-6pm EST Jan 27, 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