Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Overcast
68°F
20°C
| Humidity | 88% |
| Wind Speed | NE 8 mph |
| Barometer | 29.79 in |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 2 Aug 9:36 am EDT |
Extended Forecast for
Marine City MI
Flood Watch until August 2, 05:00pm
NOW until 5:00pm Sun

Flood Watch
Today

High: 74 °F
Heavy Rain
Tonight

Low: 60 °F
Gradual
ClearingMonday

High: 78 °F
Sunny
Monday Night

Low: 56 °F
Mostly Clear
Tuesday

High: 84 °F
Sunny
Tuesday Night

Low: 62 °F
Mostly Clear
Wednesday

High: 85 °F
Sunny
Wednesday Night
Low: 64 °F
Partly Cloudy
then Chance
Showers
Detailed Forecast
Today
Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms, mainly between 4pm and 5pm. Some of the storms could produce heavy rainfall. Steady temperature around 74. North northeast wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 60. North wind 7 to 14 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 78. North wind 8 to 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 56. North northeast wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 84. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 85.
Wednesday Night
A chance of showers after 2am. Partly cloudy, with a low around 64.
Thursday
A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63.
Friday
Partly sunny, with a high near 84.
Friday Night
Mostly cloudy, with a low around 64.
Saturday
Partly sunny, with a high near 85.
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ABOUT THIS FORECAST
Point Forecast:
Marine City MI
42.73°N 82.49°W (Elev. 581 ft)
42.73°N 82.49°W (Elev. 581 ft)
4:24 am EDT Aug 2, 2026
11am EDT Aug 2, 2026-6pm EDT Aug 8, 2026



