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

30°F

-1°C

Humidity 86%
Wind Speed E 12 G 22 mph
Barometer 30.11 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 15 Mar 5:35 am EDT
Extended Forecast for

Saint Clair MI

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

  • Overnight

    Overnight: Snow likely. Mostly cloudy, with a low around 30. East wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.

    Low: 30 °F

    Snow Likely

  • Sunday

    Sunday: A chance of rain and snow before 11am, then a slight chance of rain between 11am and noon. Mostly cloudy, with a high near 60. South southeast wind around 15 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.

    High: 60 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Rain likely, mainly between 2am and 5am. Mostly cloudy, with a low around 36. Breezy, with a south wind 20 to 23 mph, with gusts as high as 49 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Breezy.
    Mostly Cloudy
    then Rain
    Likely

  • Monday

    Monday: A chance of rain before 8am. Mostly cloudy, with a high near 47. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.

    High: 47 °F

    Breezy.
    Chance Rain
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17. Breezy, with a west wind 18 to 20 mph, with gusts as high as 32 mph.

    Low: 17 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 27.

    High: 27 °F

    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 37.

    High: 37 °F

    Chance Snow

  • Wednesday Night

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

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Snow likely. Mostly cloudy, with a low around 30. East wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than one inch possible.
Sunday
A chance of rain and snow before 11am, then a slight chance of rain between 11am and noon. Mostly cloudy, with a high near 60. South southeast wind around 15 mph, with gusts as high as 38 mph. Chance of precipitation is 30%.
Sunday Night
Rain likely, mainly between 2am and 5am. Mostly cloudy, with a low around 36. Breezy, with a south wind 20 to 23 mph, with gusts as high as 49 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A chance of rain before 8am. Mostly cloudy, with a high near 47. Breezy, with a south southwest wind 21 to 23 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 17. Breezy, with a west wind 18 to 20 mph, with gusts as high as 32 mph.
Tuesday
Mostly cloudy, with a high near 27.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
A chance of snow. Mostly cloudy, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A chance of snow, mixing with rain after 8am, then gradually ending. Mostly cloudy, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
A chance of rain. Mostly cloudy, with a high near 48.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Saturday
Partly 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:
Saint Clair MI
 42.82°N 82.48°W (Elev. 577 ft)
Last Update:
4:25 am EDT Mar 15, 2026
Forecast Valid:
5am EDT Mar 15, 2026-6pm EDT Mar 21, 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