Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Rain
41°F
5°C
| Humidity | 87% |
| Wind Speed | N 3 mph |
| Barometer | 30.05 in |
| Dewpoint | 37°F (3°C) |
| Visibility | 3.00 mi |
| Last update | 5 Mar 3:36 pm EST |
Extended Forecast for
2 Miles S Fort Gratiot MI
This Afternoon

High: 40 °F
Showers and
Patchy FogTonight
Low: 34 °F
Showers
Likely and
FogFriday

High: 53 °F
Fog
Friday Night

Low: 46 °F
Rain Likely
Saturday

High: 64 °F
Rain
Saturday Night

Low: 34 °F
Mostly Cloudy
Sunday

High: 54 °F
Sunny
Sunday Night

Low: 42 °F
Mostly Clear
Monday

High: 62 °F
Sunny
Detailed Forecast
This Afternoon
Showers. Patchy fog. High near 40. Northeast wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers likely before 10pm, then a slight chance of drizzle after 1am. Widespread fog, mainly after 2am. Otherwise, cloudy, with a low around 34. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Widespread fog, mainly before 9am. Otherwise, mostly cloudy, with a high near 53. Light southeast wind becoming south southeast 5 to 9 mph in the morning.
Friday Night
A chance of thunderstorms before 7pm, then rain likely and possibly a thunderstorm between 7pm and 1am, then a chance of rain after 1am. Mostly cloudy, with a low around 46. South southwest wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain, mainly before 1pm. High near 64. South southwest wind 13 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
A chance of rain. Partly sunny, with a high near 57.
Tuesday Night
Rain. Mostly cloudy, with a low around 43.
Wednesday
Rain likely. Mostly cloudy, with a high near 55. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
2 Miles S Fort Gratiot MI
43.04°N 82.48°W (Elev. 620 ft)
43.04°N 82.48°W (Elev. 620 ft)
3:24 pm EST Mar 5, 2026
3pm EST Mar 5, 2026-6pm EDT Mar 11, 2026



