Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

16°F

-9°C

Humidity 79%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 18 Mar 6:15 am EDT
Extended Forecast for

2 Miles S Fort Gratiot MI

  • Today

    Today: Scattered flurries after noon.  Partly sunny, with a high near 36. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 36 °F

    Scattered
    Flurries

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. South southwest wind 6 to 9 mph, with gusts as high as 18 mph.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 45. West southwest wind around 6 mph.

    High: 45 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 32. Light and variable wind.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers.  Mostly cloudy, with a high near 50. South southwest wind 6 to 9 mph.  Chance of precipitation is 50%.

    High: 50 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of rain after 2am.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: A chance of rain before 2pm.  Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

Detailed Forecast

Today
Scattered flurries after noon. Partly sunny, with a high near 36. South wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 30. South southwest wind 6 to 9 mph, with gusts as high as 18 mph.
Thursday
Mostly cloudy, with a high near 45. West southwest wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 32. Light and variable wind.
Friday
A chance of showers. Mostly cloudy, with a high near 50. South southwest wind 6 to 9 mph. Chance of precipitation is 50%.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Mostly cloudy, with a high near 52.
Saturday Night
A chance of rain after 2am. Mostly cloudy, with a low around 36.
Sunday
A chance of rain before 2pm. Mostly cloudy, with a high near 47.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 44.
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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 am EDT Mar 18, 2026
6am EDT Mar 18, 2026-6pm EDT Mar 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database