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.

Overcast

34°F

1°C

Humidity 70%
Wind Speed SW 6 mph
Barometer 30.43 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 24 Mar 11:15 am EDT
Extended Forecast for

3 Miles S Smiths Creek MI

  • Today

    Today: Partly sunny, with a high near 46. Southwest wind around 14 mph, with gusts as high as 18 mph.

    High: 46 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. South wind around 5 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 50. South wind 5 to 9 mph.

    High: 50 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. South wind around 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely after 2pm. Mostly cloudy, with a high near 63. South southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

    Low: 28 °F

    Showers
    Likely

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 33.

    High: 33 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 46. Southwest wind around 14 mph, with gusts as high as 18 mph.
Tonight
Mostly cloudy, with a low around 31. South wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 50. South wind 5 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 43. South wind around 6 mph.
Thursday
Showers likely after 2pm. Mostly cloudy, with a high near 63. South southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 33.
Friday Night
Mostly clear, with a low around 20.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Partly sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Smiths Creek MI
 42.87°N 82.59°W (Elev. 630 ft)
Last Update:
9:49 am EDT Mar 24, 2026
Forecast Valid:
11am EDT Mar 24, 2026-6pm EDT Mar 30, 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