Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Overcast
63°F
17°C
| Humidity | 73% |
| Wind Speed | S 10 G 18 mph |
| Barometer | 29.85 in |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 4 Apr 2:35 pm EDT |
Extended Forecast for
2 Miles WSW Fort Gratiot MI
Flood Watch until April 5, 12:00am
NOW until 12:00am Sun

Flood Watch
This Afternoon

High: 59 °F
Rain
Tonight
Low: 36 °F
Rain then
Mostly CloudySunday

High: 44 °F
Mostly Cloudy
Sunday Night

Low: 31 °F
Mostly Cloudy
Monday
High: 44 °F
Mostly Cloudy
then
Rain/Snow
LikelyMonday Night
Low: 22 °F
Rain/Snow
Likely then
Chance SnowTuesday

High: 34 °F
Mostly Sunny
Tuesday Night

Low: 24 °F
Mostly Clear
Detailed Forecast
This Afternoon
Rain, with thunderstorms also possible after 5pm. High near 59. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain and possibly a thunderstorm before 9pm, then a chance of rain between 9pm and 11pm. Low around 36. West wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly cloudy, with a high near 44. West wind 13 to 17 mph, with gusts as high as 28 mph.
Sunday Night
Mostly cloudy, with a low around 31. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Rain likely after 2pm, mixing with snow after 5pm. Partly sunny, with a high near 44. West northwest wind 6 to 10 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday Night
Rain and snow likely before 11pm, then a chance of snow between 11pm and 2am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
A chance of rain. Partly sunny, with a high near 63.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 38.
Friday
A chance of rain. Mostly cloudy, with a high near 54.
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ABOUT THIS FORECAST
Point Forecast:
2 Miles WSW Fort Gratiot MI
43.06°N 82.54°W (Elev. 669 ft)
43.06°N 82.54°W (Elev. 669 ft)
2:49 pm EDT Apr 4, 2026
2pm EDT Apr 4, 2026-6pm EDT Apr 10, 2026



