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Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Partly Cloudy

1°F

-17°C

Humidity 46%
Wind Speed NW 16 G 23 mph
Barometer 30.37 in
Dewpoint -15°F (-26°C)
Visibility 7.00 mi
Wind Chill-19°F (-28°C)
Last update 23 Jan 9:35 am EST
Extended Forecast for

Saint Clair MI

Cold Weather Advisory January 23, 09:39am until January 24, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 23, 09:39am until January 24, 10:00am

    NOW until 10:00am Sat

    Cold Weather Advisory

  • Today

    High: 5 °F

    Scattered
    Flurries

  • Tonight

    Tonight: Mostly clear, with a low around -9. Wind chill values as low as -17. West wind 3 to 7 mph.

    Low: -9 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds and cold, with a high near 9. Wind chill values as low as -9. Light and variable wind.

    High: 9 °F

    Cold

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 2. Calm wind becoming east northeast around 6 mph after midnight. Chance of precipitation is 30%.

    Low: 2 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow. High near 16. East northeast wind 6 to 9 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.

    High: 16 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 9. Chance of precipitation is 60%.

    Low: 9 °F

    Snow Likely

  • Monday

    Monday: Partly sunny, with a high near 18.

    High: 18 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

Detailed Forecast

Today
Scattered flurries before 1pm. Partly sunny and cold, with a high near 5. Wind chill values as low as -17. West northwest wind 11 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around -9. Wind chill values as low as -17. West wind 3 to 7 mph.
Saturday
Increasing clouds and cold, with a high near 9. Wind chill values as low as -9. Light and variable wind.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 2. Calm wind becoming east northeast around 6 mph after midnight. Chance of precipitation is 30%.
Sunday
Snow. High near 16. East northeast wind 6 to 9 mph. Chance of precipitation is 80%. New snow accumulation of around 2 inches.
Sunday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 9. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 18.
Monday Night
Mostly cloudy, with a low around 4.
Tuesday
Mostly cloudy, with a high near 19.
Tuesday Night
Partly cloudy, with a low around 2.
Wednesday
Mostly sunny, with a high near 16.
Wednesday Night
Mostly cloudy, with a low around 3.
Thursday
Partly sunny, with a high near 15.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Clair MI
 42.82°N 82.51°W (Elev. 600 ft)
Last Update:
8:50 am EST Jan 23, 2026
Forecast Valid:
9am EST Jan 23, 2026-6pm EST Jan 29, 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