Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Overcast
45°F
7°C
| Humidity | 76% |
| Wind Speed | N 7 mph |
| Barometer | 29.94 in |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 41°F (5°C) |
| Last update | 10 Mar 3:15 pm EDT |
Extended Forecast for
2 Miles S Fort Gratiot MI
This Afternoon

High: 39 °F
Slight Chance
RainTonight
Low: 37 °F⇑
Chance
T-storms then
RainWednesday

High: 50 °F
Rain
Wednesday Night
Low: 27 °F
Chance Rain
then Mostly
CloudyThursday

High: 39 °F
Mostly Sunny
Thursday Night
Low: 29 °F
Partly Cloudy
then Chance
Rain/SnowFriday
High: 42 °F
Breezy. Rain
Likely then
Rain/Snow
LikelyFriday Night
Low: 25 °F
Chance
Rain/Snow and
Breezy then
Mostly CloudySaturday

High: 36 °F
Partly Sunny
Detailed Forecast
This Afternoon
A slight chance of rain. Mostly cloudy, with a steady temperature around 39. North wind around 9 mph. Chance of precipitation is 20%.
Tonight
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. 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 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain and possibly a thunderstorm before 3pm, then rain likely between 3pm and 5pm. 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 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of rain before 7pm. Mostly cloudy, with a low around 27. West northwest wind around 15 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 39. Northwest wind around 10 mph.
Thursday Night
A chance of rain and snow after 2am. Increasing clouds, with a low around 29. Chance of precipitation is 50%.
Friday
Rain likely before 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 42. Breezy. Chance of precipitation is 70%.
Friday Night
A chance of rain and snow before 8pm. Mostly cloudy, with a low around 25. Breezy.
Saturday
Partly sunny, with a high near 36.
Saturday Night
A chance of snow before 2am, then rain and snow likely. Mostly cloudy, with a low around 29.
Sunday
Rain and snow. Cloudy, with a high near 44.
Sunday Night
Rain and snow. Mostly cloudy, with a low around 21.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 26. Blustery.
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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)
2:24 pm EDT Mar 10, 2026
3pm EDT Mar 10, 2026-6pm EDT Mar 16, 2026



