Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

63°F

17°C

Humidity 49%
Wind Speed SE 12 G 21 mph
Barometer 29.43 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 15 Mar 6:36 pm EDT
Extended Forecast for

2 Miles S Fort Gratiot MI

Wind Advisory March 15, 06:48pm until March 17, 12:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 15, 06:48pm until March 17, 12:00am

    NOW until 12:00am Tue

    Wind Advisory

  • Tonight

    Low: 50 °F

    Breezy.
    Slight Chance
    Rain then
    Rain

  • Monday

    Monday: A chance of rain before 2pm, then a slight chance of snow.  Mostly cloudy, with a temperature falling to around 32 by 5pm. Breezy, with a southwest wind 18 to 21 mph, with gusts as high as 44 mph.  Chance of precipitation is 30%.

    High: 50 °F

    Breezy.
    Chance Rain
    then Slight
    Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of snow before 2am.  Mostly cloudy, with a low around 14. Wind chill values as low as -1. Breezy, with a west wind 18 to 20 mph, with gusts as high as 40 mph.  Chance of precipitation is 30%.

    Low: 14 °F

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 26. Wind chill values as low as -1. West northwest wind around 15 mph, with gusts as high as 28 mph.

    High: 26 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. West wind 5 to 9 mph.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain, mixing with snow after 8am, then gradually ending.  Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3am. Low around 50. Breezy, with a south wind 16 to 21 mph, with gusts as high as 40 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of rain before 2pm, then a slight chance of snow. Mostly cloudy, with a temperature falling to around 32 by 5pm. Breezy, with a southwest wind 18 to 21 mph, with gusts as high as 44 mph. Chance of precipitation is 30%.
Monday Night
A chance of snow before 2am. Mostly cloudy, with a low around 14. Wind chill values as low as -1. Breezy, with a west wind 18 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 26. Wind chill values as low as -1. West northwest wind around 15 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly cloudy, with a low around 16. West wind 5 to 9 mph.
Wednesday
Mostly cloudy, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
A chance of rain, mixing with snow after 8am, then gradually ending. Mostly cloudy, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
A chance of rain after 2pm. Mostly cloudy, with a high near 47.
Friday Night
A chance of rain. Mostly cloudy, with a low around 34.
Saturday
Partly sunny, with a high near 47.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 39.
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)
5:24 pm EDT Mar 15, 2026
6pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database