Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

46°F

8°C

Humidity 62%
Wind Speed S 5 mph
Barometer 30.17 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 4 Mar 4:55 pm EST
Extended Forecast for

2 Miles S Fort Gratiot MI

  • Tonight

    Tonight: A slight chance of rain between 4am and 5am.  Areas of fog after 10pm.  Otherwise, increasing clouds, with a low around 31. Light northeast wind.  Chance of precipitation is 20%.

    Low: 31 °F

    Areas Fog
    then Slight
    Chance Rain
    and Areas Fog

  • Thursday

    Thursday: Rain, mainly after 1pm.  Areas of fog before 10am. High near 40. Northeast wind 5 to 9 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 40 °F

    Chance Rain
    and Areas Fog
    then Rain

  • Thursday Night

    Thursday Night: Rain, mainly before 7pm.  Low around 34. Northeast wind 5 to 7 mph becoming calm  after midnight.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Rain then
    Chance Rain

  • Friday

    Friday: Mostly cloudy, with a high near 55. Calm wind becoming south 5 to 8 mph in the morning.

    High: 55 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Rain likely, mainly after 1am.  Mostly cloudy, with a low around 47. South southwest wind 8 to 13 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Rain Likely

  • Saturday

    Saturday: Rain, mainly before 1pm.  High near 62. Chance of precipitation is 80%.

    High: 62 °F

    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of rain between 4am and 5am. Areas of fog after 10pm. Otherwise, increasing clouds, with a low around 31. Light northeast wind. Chance of precipitation is 20%.
Thursday
Rain, mainly after 1pm. Areas of fog before 10am. High near 40. Northeast wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain, mainly before 7pm. Low around 34. Northeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Mostly cloudy, with a high near 55. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 47. South southwest wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain, mainly before 1pm. High near 62. Chance of precipitation is 80%.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 60.
Monday Night
A chance of rain. Partly cloudy, with a low around 43.
Tuesday
Rain likely. Mostly cloudy, with a high near 55.
Tuesday Night
Rain. Mostly cloudy, with a low around 40.
Wednesday
Rain likely. Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Fort Gratiot MI
 43.04°N 82.48°W (Elev. 620 ft)
3:24 pm EST Mar 4, 2026
5pm EST Mar 4, 2026-6pm EDT Mar 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database