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Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Overcast

14°F

-10°C

Humidity 73%
Wind Speed S 8 mph
Barometer 30.22 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 21 Jan 3:15 am EST
Extended Forecast for

Marysville MI

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

    NOW until 1:00pm Wed

    Winter Weather Advisory

  • Overnight

    Low: 13 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Snow, mainly before 1pm. High near 32. South wind 11 to 14 mph, with gusts as high as 26 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. Southwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 20 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: Partly sunny, with a high near 23. Breezy, with a west wind 14 to 18 mph, with gusts as high as 31 mph.

    High: 23 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 2. West southwest wind around 9 mph, with gusts as high as 18 mph.

    Low: 2 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 7.

    High: 7 °F

    Cold

  • Friday Night

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

    Low: -7 °F

    Mostly Clear

  • Saturday

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

    High: 9 °F

    Cold

Detailed Forecast

Overnight
A slight chance of snow after 4am. Cloudy, with a steady temperature around 13. South wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Wednesday
Snow, mainly before 1pm. High near 32. South wind 11 to 14 mph, with gusts as high as 26 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. Southwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 23. Breezy, with a west wind 14 to 18 mph, with gusts as high as 31 mph.
Thursday Night
Mostly cloudy, with a low around 2. West southwest wind around 9 mph, with gusts as high as 18 mph.
Friday
Mostly sunny and cold, with a high near 7.
Friday Night
Mostly clear, with a low around -7.
Saturday
Mostly sunny and cold, with a high near 9.
Saturday Night
Mostly cloudy, with a low around -1.
Sunday
Mostly cloudy, with a high near 14.
Sunday Night
Mostly cloudy, with a low around 2.
Monday
Partly sunny, with a high near 17.
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:
Marysville MI
 42.91°N 82.47°W (Elev. 587 ft)
Last Update:
3:25 am EST Jan 21, 2026
Forecast Valid:
3am 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