Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

50°F

10°C

Humidity 22%
Wind Speed NE 7 mph
Barometer 30.43 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 11 Apr 5:15 pm EDT
Extended Forecast for

2 Miles S Fort Gratiot MI

  • Tonight

    Tonight: A chance of showers, mainly after 5am.  Increasing clouds, with a low around 36. East northeast wind around 5 mph becoming light and variable.  Chance of precipitation is 30%.

    Low: 36 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely before 4pm, then a slight chance of showers between 4pm and 5pm, then a slight chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 66. South wind 9 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am.  Mostly cloudy, with a low around 57. Southwest wind 10 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 2pm.  Mostly cloudy, with a high near 70. West southwest wind around 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 70 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers, then showers likely and possibly a thunderstorm after 2am.  Increasing clouds, with a low around 56. South southwest wind 5 to 7 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 73. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm, then showers after 2am.  Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Wednesday

    Wednesday: Showers, mainly before 8am.  Mostly cloudy, with a high near 71.

    High: 71 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 53.

    Low: 53 °F

    Showers
    Likely

Detailed Forecast

Tonight
A chance of showers, mainly after 5am. Increasing clouds, with a low around 36. East northeast wind around 5 mph becoming light and variable. Chance of precipitation is 30%.
Sunday
Showers and thunderstorms likely before 4pm, then a slight chance of showers between 4pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 66. South wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 57. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 70. West southwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A chance of showers, then showers likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 56. South southwest wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm, then showers after 2am. Low around 57. Chance of precipitation is 80%.
Wednesday
Showers, mainly before 8am. Mostly cloudy, with a high near 71.
Wednesday Night
Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 53.
Thursday
A chance of showers. Mostly cloudy, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 70.
Friday Night
A chance of showers. Mostly cloudy, with a low around 49.
Saturday
A chance of showers. Mostly cloudy, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Fort Gratiot MI
 43.04°N 82.48°W (Elev. 620 ft)
4:24 pm EDT Apr 11, 2026
5pm EDT Apr 11, 2026-6pm EDT Apr 18, 2026
 
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Additional Resources

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