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 Drizzle

36°F

2°C

Humidity 87%
Wind Speed Calm
Barometer 29.67 in
Dewpoint 32°F (0°C)
Visibility 5.00 mi
Last update 7 Jan 1:36 am EST
Extended Forecast for

2 Miles S Fort Gratiot MI

  • Overnight

    Overnight: A slight chance of rain. Patchy fog. Otherwise, cloudy, with a low around 33. West northwest wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 39. West wind 6 to 8 mph.

    High: 39 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. South wind around 6 mph.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 46. South wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 46 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain. Low around 40. South southeast wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain

  • Friday

    Friday: A chance of rain before 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 30%.

    High: 52 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain likely. Mostly cloudy, with a high near 41.

    High: 41 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
A slight chance of rain. Patchy fog. Otherwise, cloudy, with a low around 33. West northwest wind around 7 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Wednesday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 39. West wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 31. South wind around 6 mph.
Thursday
Mostly cloudy, with a high near 46. South wind 7 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Rain. Low around 40. South southeast wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of rain before 1pm. Mostly cloudy, with a high near 52. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 32.
Saturday
Rain likely. Mostly cloudy, with a high near 41.
Saturday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 28.
Sunday
Mostly cloudy, with a high near 33.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly cloudy, with a high near 37.
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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:
4:14 pm EST Jan 6, 2026
Forecast Valid:
1am EST Jan 7, 2026-6pm EST Jan 13, 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