Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Partly Cloudy
66°F
19°C
| Humidity | 78% |
| Wind Speed | W 5 mph |
| Barometer | 29.82 in |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 22 Aug 6:55 pm EDT |
Extended Forecast for
3 Miles SE Fort Gratiot MI
Tonight
Low: 59 °F
Chance
T-storms then
Chance
ShowersSunday
High: 70 °F
Mostly Cloudy
then Showers
LikelySunday Night
Low: 56 °F
Chance
Showers then
Partly CloudyMonday

High: 70 °F
Mostly Sunny
Monday Night

Low: 56 °F
Partly Cloudy
Tuesday

High: 76 °F
Sunny
Tuesday Night

Low: 61 °F
Partly Cloudy
Wednesday

High: 79 °F
Mostly Sunny
Wednesday Night

Low: 65 °F
Chance
Showers
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 59. West northwest wind 9 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 50%.
Sunday
Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 70. Northwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 56. Northwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 70. West wind around 15 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 56. West northwest wind around 6 mph.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 65.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 79.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SE Fort Gratiot MI
43.03°N 82.45°W (Elev. 597 ft)
43.03°N 82.45°W (Elev. 597 ft)
4:24 pm EDT Aug 22, 2026
7pm EDT Aug 22, 2026-6pm EDT Aug 29, 2026



