Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Overcast
41°F
5°C
| Humidity | 66% |
| Wind Speed | S 6 mph |
| Barometer | 30.26 in |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 37°F (3°C) |
| Last update | 12 Apr 6:15 am EDT |
Extended Forecast for
4 Miles SSE Fort Gratiot MI
Today
High: 66 °F
Showers
Likely then
Chance
ShowersTonight
Low: 57 °F
Chance
Showers then
ShowersMonday

High: 70 °F
Showers
LikelyMonday Night
Low: 57 °F
Chance
Showers then
ShowersTuesday

High: 72 °F
Showers
Tuesday Night

Low: 52 °F
Showers
Wednesday

High: 67 °F
Showers
LikelyWednesday Night

Low: 54 °F
Showers
Thursday
High: 69 °F
Showers then
Chance
T-storms
Detailed Forecast
Today
Showers and thunderstorms likely before 4pm, then a chance of showers after 5pm. Mostly cloudy, with a high near 66. South wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers, mainly after 2am. Low around 57. Southwest wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers likely, mainly before 7am. Mostly cloudy, with a high near 70. West southwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Showers and possibly a thunderstorm, mainly after 2am. Low around 57. South southwest wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and possibly a thunderstorm before 2pm, then showers likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 72. Southwest wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Wednesday Night
Showers. Mostly cloudy, with a low around 54.
Thursday
Showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 69.
Thursday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 68.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52.
Saturday
Showers likely. Mostly cloudy, with a high near 66.
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SSE Fort Gratiot MI
43.03°N 82.45°W (Elev. 597 ft)
43.03°N 82.45°W (Elev. 597 ft)
4:25 am EDT Apr 12, 2026
6am EDT Apr 12, 2026-6pm EDT Apr 18, 2026



