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

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

2 Miles SSE Fort Gratiot MI

  • Tonight

    Tonight: A slight chance of showers. Mostly cloudy, with a low around 38. West northwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 53. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 53 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. Southwest wind 5 to 9 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 60. West wind around 10 mph, with gusts as high as 18 mph.

    High: 60 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 33. West northwest wind 5 to 7 mph.

    Low: 33 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely. Mostly cloudy, with a high near 45. Breezy.

    High: 45 °F

    Rain Likely
    and Breezy

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 32. Breezy.

    Low: 32 °F

    Rain Likely
    and Breezy

Detailed Forecast

Tonight
A slight chance of showers. Mostly cloudy, with a low around 38. West northwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 53. Northwest wind 7 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, with a low around 39. Southwest wind 5 to 9 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 60. West wind around 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 33. West northwest wind 5 to 7 mph.
Veterans Day
Partly sunny, with a high near 54.
Wednesday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Thursday
Rain likely. Mostly cloudy, with a high near 45. Breezy.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 32. Breezy.
Friday
Rain likely. Mostly cloudy, with a high near 42. Breezy.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 31.
Saturday
A chance of rain. Mostly cloudy, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Fort Gratiot MI
 43.04°N 82.48°W (Elev. 620 ft)
Last Update:
10:13 pm EST Nov 8, 2026
Forecast Valid:
11pm EST Nov 8, 2026-6pm EST Nov 15, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation