Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Overcast

32°F

0°C

Humidity 69%
Wind Speed E 9 mph
Barometer 30.18 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 15 Mar 2:55 am EDT
Extended Forecast for

2 Miles S Fort Gratiot MI

Wind Advisory March 15, 11:00am until March 16, 12:00am
Click here for hazard details and duration
Wind Advisory
  • Overnight

    Overnight: Snow, mainly after 4am.  Low around 29. East southeast wind around 9 mph.  Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.

    Low: 29 °F

    Snow

  • Sunday

    Sunday: Rain and snow likely before 11am, then a slight chance of rain between 11am and noon.  Mostly cloudy, with a high near 57. South southeast wind around 15 mph, with gusts as high as 37 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 57 °F

    Rain/Snow
    Likely then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely, mainly between 2am and 5am.  Mostly cloudy, with a low around 35. Breezy, with a south wind 18 to 22 mph, with gusts as high as 47 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Breezy.
    Mostly Cloudy
    then Rain
    Likely

  • Monday

    Monday: A chance of rain before 8am.  Mostly cloudy, with a high near 46. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 41 mph.  Chance of precipitation is 30%.

    High: 46 °F

    Breezy.
    Chance Rain
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. Breezy, with a west wind 17 to 20 mph, with gusts as high as 34 mph.

    Low: 15 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow.  Mostly cloudy, with a high near 35.

    High: 35 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow, mainly after 4am. Low around 29. East southeast wind around 9 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of around an inch possible.
Sunday
Rain and snow likely before 11am, then a slight chance of rain between 11am and noon. Mostly cloudy, with a high near 57. South southeast wind around 15 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain likely, mainly between 2am and 5am. Mostly cloudy, with a low around 35. Breezy, with a south wind 18 to 22 mph, with gusts as high as 47 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A chance of rain before 8am. Mostly cloudy, with a high near 46. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 41 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 15. Breezy, with a west wind 17 to 20 mph, with gusts as high as 34 mph.
Tuesday
Mostly cloudy, with a high near 25.
Tuesday Night
Mostly cloudy, with a low around 17.
Wednesday
A chance of snow. Mostly cloudy, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Mostly cloudy, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 32.
Friday
A chance of rain. Mostly cloudy, with a high near 46.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 33.
Saturday
Partly sunny, with a high near 41.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Fort Gratiot MI
 43.04°N 82.48°W (Elev. 620 ft)
2:49 am EDT Mar 15, 2026
3am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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