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.

Overcast

41°F

5°C

Humidity 81%
Wind Speed N 12 G 18 mph
Barometer 29.79 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 22 Mar 1:15 pm EDT
Extended Forecast for

2 Miles S Fort Gratiot MI

  • This Afternoon

    This Afternoon: A chance of rain, mainly after 2pm. Mostly cloudy, with a high near 48. Breezy, with a north wind 14 to 18 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 48 °F

    Chance Rain
    and Breezy

  • Tonight

    Tonight: A chance of rain before 8pm. Mostly cloudy, with a low around 29. Blustery, with a north wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Rain
    and Blustery
    then Mostly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 36. North northwest wind around 11 mph, with gusts as high as 18 mph.

    High: 36 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. North wind around 6 mph becoming calm in the evening.

    Low: 23 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 46. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 46 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

Detailed Forecast

This Afternoon
A chance of rain, mainly after 2pm. Mostly cloudy, with a high near 48. Breezy, with a north wind 14 to 18 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tonight
A chance of rain before 8pm. Mostly cloudy, with a low around 29. Blustery, with a north wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 36. North northwest wind around 11 mph, with gusts as high as 18 mph.
Monday Night
Mostly clear, with a low around 23. North wind around 6 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 46. Southwest wind 6 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
A chance of rain. Mostly cloudy, with a high near 57.
Thursday Night
Mostly cloudy, with a low around 27.
Friday
Partly sunny, with a high near 34.
Friday Night
Mostly clear, with a low around 23.
Saturday
Sunny, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...
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:
9:49 am EDT Mar 22, 2026
Forecast Valid:
1pm EDT Mar 22, 2026-6pm EDT Mar 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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