Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Rain

68°F

20°C

Humidity 53%
Wind Speed SW 6 mph
Barometer 30.03 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 24 Jun 6:35 pm EDT
Extended Forecast for

3 Miles N Fort Gratiot MI

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am.  Low around 58. South southwest wind around 7 mph becoming east southeast after midnight.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    Showers then
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 74. South southeast wind around 8 mph becoming north northwest in the afternoon.  Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 9pm, then a chance of showers between 9pm and 10pm.  Low around 56. North northwest wind around 6 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers then
    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 69. Northeast wind around 6 mph.

    High: 69 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 56. Northeast wind around 6 mph.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 58. South southwest wind around 7 mph becoming east southeast after midnight. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 74. South southeast wind around 8 mph becoming north northwest in the afternoon. Chance of precipitation is 40%.
Thursday Night
Showers and thunderstorms before 9pm, then a chance of showers between 9pm and 10pm. Low around 56. North northwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 69. Northeast wind around 6 mph.
Friday Night
Mostly cloudy, with a low around 56. Northeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Mostly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 71.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Fort Gratiot MI
 43.12°N 82.5°W (Elev. 600 ft)
4:24 pm EDT Jun 24, 2026
6pm EDT Jun 24, 2026-6pm EDT Jul 1, 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