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

39°F

4°C

Humidity 65%
Wind Speed SE 5 mph
Barometer 30.27 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 12 Apr 5:15 am EDT
Extended Forecast for

2 Miles S Fort Gratiot MI

  • Today

    Today: Showers and thunderstorms likely before 4pm, then a chance of showers after 5pm. Mostly cloudy, with a high near 67. South wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers
    Likely then
    Chance
    Showers

  • Tonight

    Tonight: Showers, mainly after 2am. Low around 57. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 57 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: A chance of showers before 2pm. Mostly cloudy, with a high near 71. West southwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm, mainly after 2am. Low around 57. South southwest wind 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers then
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 2pm, then showers likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 73. Southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%.

    Low: 52 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 70.

    High: 70 °F

    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms likely before 4pm, then a chance of showers after 5pm. Mostly cloudy, with a high near 67. South wind 7 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers, mainly after 2am. Low around 57. Southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A chance of showers before 2pm. Mostly cloudy, with a high near 71. West southwest wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Monday Night
Showers and possibly a thunderstorm, mainly after 2am. Low around 57. South southwest wind 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and possibly a thunderstorm before 2pm, then showers likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 73. Southwest wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 52. Chance of precipitation is 80%.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
Wednesday Night
Showers. Mostly cloudy, with a low around 54.
Thursday
Showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 70.
Thursday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 68.
Friday Night
A chance of showers. Mostly cloudy, with a low around 52.
Saturday
Showers likely. Mostly cloudy, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Fort Gratiot MI
 43.04°N 82.48°W (Elev. 620 ft)
Last Update:
4:25 am EDT Apr 12, 2026
Forecast Valid:
5am EDT Apr 12, 2026-6pm EDT Apr 18, 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