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.

Fair

34°F

1°C

Humidity 56%
Wind Speed NE 12 mph
Barometer 30.24 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 14 Mar 5:35 pm EDT
Extended Forecast for

3 Miles N Fort Gratiot MI

Wind Advisory March 15, 11:00am until March 16, 12:00am
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Snow, mainly after 2am. Low around 29. East southeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.

    Low: 29 °F

    Mostly Cloudy
    then Snow

  • Sunday

    Sunday: Snow likely before 9am, then a slight chance of freezing rain between 9am and 10am. Cloudy, with a high near 56. Breezy, with a south southeast wind around 18 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.

    High: 56 °F

    Wintry Mix
    Likely and
    Breezy then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 35. Breezy, with a south wind 22 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 35 °F

    Breezy.
    Chance
    T-storms then
    Showers

  • Monday

    Monday: Rain before 11am, then a chance of snow between 11am and 2pm. High near 45. Breezy, with a southwest wind 21 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 45 °F

    Breezy.
    Rain/Snow
    then Chance
    Snow

  • Monday Night

    Monday Night: A chance of snow between 8pm and 2am. Mostly cloudy, with a low around 15. Breezy, with a west wind around 24 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.

    Low: 15 °F

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 24. Blustery.

    High: 24 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow. Mostly cloudy, with a high near 34.

    High: 34 °F

    Chance Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow, mainly after 2am. Low around 29. East southeast wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Sunday
Snow likely before 9am, then a slight chance of freezing rain between 9am and 10am. Cloudy, with a high near 56. Breezy, with a south southeast wind around 18 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 35. Breezy, with a south wind 22 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Rain before 11am, then a chance of snow between 11am and 2pm. High near 45. Breezy, with a southwest wind 21 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
A chance of snow between 8pm and 2am. Mostly cloudy, with a low around 15. Breezy, with a west wind around 24 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 24. Blustery.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
A chance of snow. Mostly cloudy, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly cloudy, with a high near 45.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Mostly cloudy, with a high near 46.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Partly sunny, with a high near 44. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Fort Gratiot MI
 43.12°N 82.5°W (Elev. 600 ft)
Last Update:
4:24 pm EDT Mar 14, 2026
Forecast Valid:
5pm EDT Mar 14, 2026-6pm EDT Mar 21, 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