National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

72°F

22°C

Humidity 25%
Wind Speed SW 6 G 18 mph
Barometer 30.12 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 9 Apr 6:15 pm EDT
Extended Forecast for

2 Miles S Fort Gratiot MI

  • Tonight

    Tonight: A chance of rain, mainly after 3am. Increasing clouds, with a low around 39. West southwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain, mainly before 2pm. High near 47. North wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain then
    Slight Chance
    Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32. North wind around 6 mph.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 46. Northeast wind 3 to 6 mph.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 36. Southeast wind 3 to 5 mph.

    Low: 36 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of rain between 8am and 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.

    High: 66 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain after 2am. Cloudy, with a low around 58. Chance of precipitation is 50%.

    Low: 58 °F

    Cloudy then
    Chance Rain

  • Monday

    Monday: A chance of rain. Mostly cloudy, with a high near 72.

    High: 72 °F

    Chance Rain

  • Monday Night

    Monday Night: A chance of rain before 8pm, then a chance of rain and thunderstorms between 8pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 57.

    Low: 57 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of rain, mainly after 3am. Increasing clouds, with a low around 39. West southwest wind 5 to 10 mph becoming northeast after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Friday
Rain, mainly before 2pm. High near 47. North wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Mostly cloudy, with a low around 32. North wind around 6 mph.
Saturday
Sunny, with a high near 46. Northeast wind 3 to 6 mph.
Saturday Night
Increasing clouds, with a low around 36. Southeast wind 3 to 5 mph.
Sunday
A chance of rain between 8am and 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.
Sunday Night
A chance of rain after 2am. Cloudy, with a low around 58. Chance of precipitation is 50%.
Monday
A chance of rain. Mostly cloudy, with a high near 72.
Monday Night
A chance of rain before 8pm, then a chance of rain and thunderstorms between 8pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 57.
Tuesday
Rain likely, mainly after 2pm. Mostly cloudy, with a high near 74.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 55.
Wednesday
Rain likely. Mostly cloudy, with a high near 71.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Thursday
A chance of rain. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Fort Gratiot MI
 43.04°N 82.48°W (Elev. 620 ft)
Last Update:
4:24 pm EDT Apr 9, 2026
Forecast Valid:
6pm EDT Apr 9, 2026-6pm EDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation