Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Overcast
54°F
12°C
| Humidity | 77% |
| Wind Speed | Calm |
| Barometer | 29.84 in |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 10 Mar 5:15 am EDT |
Extended Forecast for
2 Miles S Fort Gratiot MI
Today

High: 51 °F⇓
Chance Rain
Tonight
Low: 37 °F⇑
Rain Likely
then RainWednesday

High: 50 °F
Rain
Wednesday Night

Low: 26 °F
Mostly Cloudy
Thursday

High: 39 °F
Mostly Sunny
Thursday Night
Low: 28 °F
Partly Cloudy
then Chance
SnowFriday
High: 42 °F
Breezy.
Rain/Snow
Likely then
Rain LikelyFriday Night
Low: 25 °F
Partly Cloudy
and Breezy
then Partly
CloudySaturday

High: 36 °F
Mostly Cloudy
Detailed Forecast
Today
A chance of rain between 8am and 3pm. Mostly cloudy, with a temperature rising to near 51 by 10am, then falling to around 39 during the remainder of the day. South southwest wind 5 to 9 mph becoming north northeast in the morning. Chance of precipitation is 50%.
Tonight
Rain and possibly a thunderstorm. Temperature falling to near 37 by 8pm, then rising to around 47 during the remainder of the night. North northeast wind 5 to 8 mph becoming east southeast after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Rain and thunderstorms likely before 8am, then rain and possibly a thunderstorm between 8am and 11am, then rain after 11am. High near 50. South wind 7 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 26. West northwest wind around 15 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny, with a high near 39. Northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
A chance of snow after 2am. Increasing clouds, with a low around 28. Chance of precipitation is 50%.
Friday
Rain likely, possibly mixed with snow, becoming all rain after 8am, then gradually ending. Cloudy, then gradually becoming mostly sunny, with a high near 42. Breezy. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 25. Breezy.
Saturday
Mostly cloudy, with a high near 36.
Saturday Night
A chance of snow between 8pm and 2am, then rain and snow likely. Cloudy, with a low around 29.
Sunday
Rain and snow. Cloudy, with a high near 44.
Sunday Night
Rain and snow. Cloudy, with a low around 20.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 26.
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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)
4:24 am EDT Mar 10, 2026
5am EDT Mar 10, 2026-6pm EDT Mar 16, 2026



