Hazardous Weather Conditions
Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Partly Cloudy
66°F
19°C
| Humidity | 78% |
| Wind Speed | S 3 mph |
| Barometer | 29.81 in |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 15 Apr 8:15 pm EDT |
Extended Forecast for
2 Miles S Fort Gratiot MI
Flood Watch April 15, 08:19pm until April 17, 02:00am
NOW until 2:00am Fri
Flood Watch
Tonight
Low: 58 °F
Showers
Thursday
High: 68 °F
Showers
Thursday Night
Low: 44 °F
Showers
Likely then
Mostly CloudyFriday
High: 62 °F
Partly Sunny
Friday Night
Low: 49 °F
Mostly Cloudy
then Chance
ShowersSaturday
High: 65 °F
Showers
Saturday Night
Low: 35 °F
Showers
Likely then
Chance
ShowersSunday
High: 44 °F
Partly Sunny
Detailed Forecast
Tonight
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers and thunderstorms after 5am. Low around 58. South southwest wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 68. Southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely, mainly before 7pm. Mostly cloudy, with a low around 44. North northwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Partly sunny, with a high near 62. Light and variable wind becoming east around 6 mph in the afternoon.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 49. South southeast wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 40%.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 65. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT 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)
4:49 pm EDT Apr 15, 2026
8pm EDT Apr 15, 2026-6pm EDT Apr 22, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
