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.

Fair

19°F

-7°C

Humidity 58%
Wind Speed NW 5 mph
Barometer 30.34 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 4 Feb 5:55 pm EST
Extended Forecast for

2 Miles S Fort Gratiot MI

  • Tonight

    Tonight: Partly cloudy, with a low around 6. Light and variable wind.

    Low: 6 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of snow after 1pm. Mostly cloudy, with a high near 23. Light south southwest wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 40%.

    High: 23 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 17. South southwest wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 17 °F

    Snow Likely

  • Friday

    Friday: Snow, mainly before 1pm. High near 33. South southwest wind 9 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    High: 33 °F

    Snow

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 0. Blustery, with a north northwest wind 18 to 22 mph, with gusts as high as 37 mph.

    Low: 0 °F

    Mostly Cloudy
    and Blustery

  • Saturday

    Saturday: Mostly sunny, with a high near 12.

    High: 12 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 1.

    Low: 1 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 19.

    High: 19 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 7.

    Low: 7 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 6. Light and variable wind.
Thursday
A chance of snow after 1pm. Mostly cloudy, with a high near 23. Light south southwest wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 40%.
Thursday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 17. South southwest wind around 8 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow, mainly before 1pm. High near 33. South southwest wind 9 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Friday Night
Mostly cloudy, with a low around 0. Blustery, with a north northwest wind 18 to 22 mph, with gusts as high as 37 mph.
Saturday
Mostly sunny, with a high near 12.
Saturday Night
Partly cloudy, with a low around 1.
Sunday
Partly sunny, with a high near 19.
Sunday Night
Mostly cloudy, with a low around 7.
Monday
Mostly cloudy, with a high near 28.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Mostly cloudy, with a high near 32.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Mostly cloudy, with a high near 31.
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:
3:26 pm EST Feb 4, 2026
Forecast Valid:
6pm EST Feb 4, 2026-6pm EST Feb 11, 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