Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Light Rain
68°F
20°C
| Humidity | 88% |
| Wind Speed | N 6 mph |
| Barometer | 29.78 in |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 2 Aug 8:35 am EDT |
Extended Forecast for
3 Miles S Fort Gratiot MI
Flood Watch until August 2, 05:00pm
NOW until 5:00pm Sun

Flood Watch
Today

High: 74 °F
Heavy Rain
Tonight

Low: 61 °F
Decreasing
CloudsMonday

High: 75 °F
Sunny
Monday Night

Low: 58 °F
Mostly Clear
Tuesday

High: 82 °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 before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Some of the storms could produce heavy rainfall. High near 74. North northeast wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 61. North northeast wind 9 to 15 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 75. North wind 10 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 58. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 82. 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 79.
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 82.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Partly sunny, with a high near 84.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles S Fort Gratiot MI
43.04°N 82.48°W (Elev. 620 ft)
43.04°N 82.48°W (Elev. 620 ft)
4:24 am EDT Aug 2, 2026
8am EDT Aug 2, 2026-6pm EDT Aug 8, 2026



