Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fair
34°F
1°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 29.63 in |
| Dewpoint | 32°F (0°C) |
| Visibility | 7.00 mi |
| Last update | 22 Mar 3:35 am EDT |
Extended Forecast for
2 Miles S Fort Gratiot MI
Overnight

Low: 36 °F
Chance Rain
Sunday
High: 48 °F
Rain Likely
then Chance
Rain and
BreezySunday Night
Low: 29 °F
Chance Rain
and Blustery
then Mostly
CloudyMonday

High: 36 °F
Partly Sunny
Monday Night

Low: 23 °F
Mostly Clear
Tuesday

High: 46 °F
Partly Sunny
Tuesday Night

Low: 31 °F
Mostly Cloudy
Wednesday

High: 45 °F
Mostly Cloudy
Wednesday Night

Low: 34 °F
Mostly Cloudy
Detailed Forecast
Overnight
A chance of rain after 5am. Mostly cloudy, with a low around 36. Northwest wind around 5 mph. Chance of precipitation is 30%.
Sunday
Rain likely and possibly a thunderstorm before 2pm, then a chance of rain. Mostly cloudy, with a high near 48. Breezy, with a south wind 5 to 10 mph becoming north 13 to 18 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of rain before 8pm. Mostly cloudy, with a low around 29. Blustery, with a north wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 36. North northwest wind around 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 23. North wind around 6 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
A chance of rain. Mostly cloudy, with a high near 57.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 34.
Friday Night
Mostly clear, with a low around 23.
Saturday
Sunny, with a high near 44.
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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)
3:35 am EDT Mar 22, 2026
3am EDT Mar 22, 2026-6pm EDT Mar 28, 2026



