Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fair
52°F
11°C
| Humidity | 77% |
| Wind Speed | Calm |
| Barometer | 29.80 in |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 14 Apr 10:55 pm EDT |
Extended Forecast for
2 Miles S Fort Gratiot MI
Flood Watch April 14, 11:07pm until April 17, 02:00am
Tornado Watch until April 15, 04:00am
NOW: Multiple hazards in effect

Click HERE for Details
Tonight

Low: 55 °F⇑
Showers
Wednesday
High: 70 °F
Chance
Showers then
ShowersWednesday Night

Low: 57 °F
Showers
Thursday

High: 67 °F
Showers
LikelyThursday Night

Low: 47 °F
Showers
LikelyFriday

High: 61 °F
Partly Sunny
Friday Night

Low: 50 °F
Mostly Cloudy
Saturday

High: 69 °F
Showers
Detailed Forecast
Tonight
Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms between 4am and 5am, then a slight chance of showers after 5am. Temperature rising to around 58 by 2am. Southeast wind around 7 mph becoming west southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 70. Southwest wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Low around 57. South southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 67. South southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 47. Northwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 61.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Showers after 8am. Mostly cloudy, with a high near 69.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 46. Breezy.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 46.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Mostly sunny, with a high near 55.
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)
9:24 pm EDT Apr 14, 2026
11pm EDT Apr 14, 2026-6pm EDT Apr 21, 2026



