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.

Light Rain

37°F

3°C

Humidity 87%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 34°F (1°C)
Visibility 5.00 mi
Last update 5 Mar 6:35 am EST
Extended Forecast for

2 Miles S Fort Gratiot MI

  • Today

    Today: Rain, mainly after noon. Areas of fog before 10am. High near 40. East northeast wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Chance Rain
    and Areas Fog
    then Rain

  • Tonight

    Tonight: Rain likely, mainly before 8pm. Mostly cloudy, with a low around 33. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Rain Likely
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 55. South southeast wind 3 to 8 mph.

    High: 55 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 47. South southwest wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.

    Low: 47 °F

    Chance Rain

  • Saturday

    Saturday: Rain, mainly before 1pm. High near 63. South southwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Rain, mainly after noon. Areas of fog before 10am. High near 40. East northeast wind 5 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely, mainly before 8pm. Mostly cloudy, with a low around 33. Northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Mostly cloudy, with a high near 55. South southeast wind 3 to 8 mph.
Friday Night
A chance of rain. Mostly cloudy, with a low around 47. South southwest wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Saturday
Rain, mainly before 1pm. High near 63. South southwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
A chance of rain. Partly sunny, with a high near 57.
Tuesday Night
Rain. Mostly cloudy, with a low around 43.
Wednesday
Rain. Mostly cloudy, with a high near 53.
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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:
5:49 am EST Mar 5, 2026
Forecast Valid:
6am EST Mar 5, 2026-6pm EDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation