Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Overcast

23°F

-5°C

Humidity 80%
Wind Speed SW 9 G 20 mph
Barometer 29.97 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 3 Dec 8:36 am EST
Extended Forecast for

Marysville MI

  • Today

    Today: A slight chance of snow showers after 2pm.  Cloudy, with a high near 30. Southwest wind 13 to 15 mph, with gusts as high as 28 mph.  Chance of precipitation is 20%.

    High: 30 °F

    Cloudy then
    Slight Chance
    Snow Showers

  • Tonight

    Tonight: A chance of snow showers, mainly before 10pm.  Cloudy, then gradually becoming partly cloudy, with a low around 15. Southwest wind 9 to 13 mph becoming west northwest after midnight. Winds could gust as high as 22 mph.  Chance of precipitation is 30%.

    Low: 15 °F

    Chance Snow
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 22. West northwest wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 22 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 9. South southwest wind 3 to 6 mph.

    Low: 9 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 26. South southwest wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 26 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 33.

    High: 33 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of snow showers after 2pm. Cloudy, with a high near 30. Southwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Tonight
A chance of snow showers, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 15. Southwest wind 9 to 13 mph becoming west northwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 22. West northwest wind 9 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Partly cloudy, with a low around 9. South southwest wind 3 to 6 mph.
Friday
Partly sunny, with a high near 26. South southwest wind 8 to 13 mph, with gusts as high as 22 mph.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Mostly cloudy, with a high near 33.
Saturday Night
Mostly cloudy, with a low around 19.
Sunday
Partly sunny, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 28.
Monday Night
A chance of snow. Mostly cloudy, with a low around 17.
Tuesday
Snow likely. Mostly cloudy, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville MI
 42.91°N 82.47°W (Elev. 587 ft)
4:13 am EST Dec 3, 2025
8am EST Dec 3, 2025-6pm EST Dec 9, 2025
 
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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