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.

Partly Cloudy

23°C

73°F

Humidity 61%
Wind Speed SE 22 G 35 km/h
Barometer 29.91 in
Dewpoint 15°C (59°F)
Visibility 16 km
Last update 25 Apr 3:35 pm EDT
Extended Forecast for

Fort Gratiot MI

  • This Afternoon

    This Afternoon: Rain and possibly a thunderstorm. High near 20. South southeast wind 14 to 16 km/h. Chance of precipitation is 90%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 20 °C

    Rain

  • Tonight

    Tonight: Rain, mainly before 11pm. Low around 6. Southeast wind 10 to 18 km/h becoming north northwest after midnight. Winds could gust as high as 32 km/h. Chance of precipitation is 80%. New precipitation amounts between 5 and 7.5 mm possible.

    Low: 6 °C

    Rain then
    Chance Rain

  • Saturday

    Saturday: Mostly cloudy, with a high near 9. Breezy, with a north northwest wind 23 to 29 km/h, with gusts as high as 50 km/h.

    High: 9 °C

    Cloudy then
    Mostly Cloudy
    and Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 3. Northwest wind 13 to 18 km/h, with gusts as high as 32 km/h.

    Low: 3 °C

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 13. North northeast wind around 14 km/h.

    High: 13 °C

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 4.

    Low: 4 °C

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 19.

    High: 19 °C

    Sunny

  • Monday Night

    Monday Night: A chance of rain after 2am. Partly cloudy, with a low around 13.

    Low: 13 °C

    Partly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 2pm. Partly sunny, with a high near 26. Breezy.

    High: 26 °C

    Rain Likely
    and Breezy

Detailed Forecast

This Afternoon
Rain and possibly a thunderstorm. High near 20. South southeast wind 14 to 16 km/h. Chance of precipitation is 90%. New rainfall amounts between 2.5 and 5 mm possible.
Tonight
Rain, mainly before 11pm. Low around 6. Southeast wind 10 to 18 km/h becoming north northwest after midnight. Winds could gust as high as 32 km/h. Chance of precipitation is 80%. New precipitation amounts between 5 and 7.5 mm possible.
Saturday
Mostly cloudy, with a high near 9. Breezy, with a north northwest wind 23 to 29 km/h, with gusts as high as 50 km/h.
Saturday Night
Mostly clear, with a low around 3. Northwest wind 13 to 18 km/h, with gusts as high as 32 km/h.
Sunday
Sunny, with a high near 13. North northeast wind around 14 km/h.
Sunday Night
Partly cloudy, with a low around 4.
Monday
Sunny, with a high near 19.
Monday Night
A chance of rain after 2am. Partly cloudy, with a low around 13.
Tuesday
Rain likely, mainly after 2pm. Partly sunny, with a high near 26. Breezy.
Tuesday Night
Rain likely, mainly before 8pm. Partly cloudy, with a low around 5.
Wednesday
Mostly sunny, with a high near 11.
Wednesday Night
Partly cloudy, with a low around 4.
Thursday
A chance of rain. Mostly cloudy, with a high near 16.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Gratiot MI
 43.08°N 82.5°W (Elev. 623 m)
Last Update:
3:24 pm EDT Apr 25, 2025
Forecast Valid:
4pm EDT Apr 25, 2025-6pm EDT May 1, 2025
 
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