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.

Fog

61°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 61°F (16°C)
Visibility 0.50 mi
Last update 24 Sep 2:55 am EDT
Extended Forecast for

Saint Clair MISimilar City Names

  • Overnight

    Overnight: A chance of showers and thunderstorms. Areas of fog. Otherwise, cloudy, with a low around 60. Calm wind. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers and
    Areas Fog

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Areas of fog before 10am. Otherwise, cloudy, with a high near 71. East wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers
    Likely and
    Areas Fog

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. East northeast wind 3 to 6 mph. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 72. Northwest wind 5 to 7 mph. Chance of precipitation is 50%.

    High: 72 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Areas of fog. Otherwise, cloudy, with a low around 60. Calm wind. Chance of precipitation is 50%.
Wednesday
Showers likely and possibly a thunderstorm. Areas of fog before 10am. Otherwise, cloudy, with a high near 71. East wind 3 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. East northeast wind 3 to 6 mph. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 72. Northwest wind 5 to 7 mph. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 54. Calm wind.
Friday
Mostly sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 54.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Clair MISimilar City Names
 42.82°N 82.51°W (Elev. 600 ft)
Last Update:
2:35 am EDT Sep 24, 2025
Forecast Valid:
3am EDT Sep 24, 2025-6pm EDT Sep 30, 2025
 
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