Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

34°F

1°C

Humidity 93%
Wind Speed Calm
Barometer 29.63 in
Dewpoint 32°F (0°C)
Visibility 7.00 mi
Last update 22 Mar 3:35 am EDT
Extended Forecast for

2 Miles S Fort Gratiot MI

  • Overnight

    Overnight: A chance of rain after 5am.  Mostly cloudy, with a low around 36. Northwest wind around 5 mph.  Chance of precipitation is 30%.

    Low: 36 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely and possibly a thunderstorm before 2pm, then a chance of rain.  Mostly cloudy, with a high near 48. Breezy, with a south wind 5 to 10 mph becoming north 13 to 18 mph in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 48 °F

    Rain Likely
    then Chance
    Rain and
    Breezy

  • Sunday Night

    Sunday Night: A chance of rain before 8pm.  Mostly cloudy, with a low around 29. Blustery, with a north wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 30%.

    Low: 29 °F

    Chance Rain
    and Blustery
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 36. North northwest wind around 11 mph, with gusts as high as 18 mph.

    High: 36 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. North wind around 6 mph becoming calm  in the evening.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Tuesday Night

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

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of rain after 5am. Mostly cloudy, with a low around 36. Northwest wind around 5 mph. Chance of precipitation is 30%.
Sunday
Rain likely and possibly a thunderstorm before 2pm, then a chance of rain. Mostly cloudy, with a high near 48. Breezy, with a south wind 5 to 10 mph becoming north 13 to 18 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of rain before 8pm. Mostly cloudy, with a low around 29. Blustery, with a north wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 36. North northwest wind around 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 23. North wind around 6 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
A chance of rain. Mostly cloudy, with a high near 57.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 34.
Friday Night
Mostly clear, with a low around 23.
Saturday
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)
3:35 am EDT Mar 22, 2026
3am EDT Mar 22, 2026-6pm EDT Mar 28, 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