Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Light Snow

19°F

-7°C

Humidity 68%
Wind Speed SW 3 mph
Barometer 29.77 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 2 Jan 3:15 am EST
Extended Forecast for

3 Miles NE Casco MI

  • Overnight

    Overnight: A chance of snow or flurries before 4am, then a chance of flurries with a slight chance of snow after 4am.  Mostly cloudy, with a low around 16. West wind around 6 mph.  Chance of precipitation is 30%.

    Low: 16 °F

    Chance Snow

  • Friday

    Friday: A chance of flurries before 1pm.  Mostly cloudy, with a high near 24. West wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 24 °F

    Chance
    Flurries

  • Friday Night

    Friday Night: Partly cloudy, with a low around 13. West wind 3 to 5 mph.

    Low: 13 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 26. West wind 3 to 6 mph.

    High: 26 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18. Calm wind becoming west around 5 mph after midnight.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of snow after 1am.  Mostly cloudy, with a low around 18. Chance of precipitation is 40%.

    Low: 18 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday

    Monday: A chance of snow before 1pm.  Mostly cloudy, with a high near 34.

    High: 34 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of snow or flurries before 4am, then a chance of flurries with a slight chance of snow after 4am. Mostly cloudy, with a low around 16. West wind around 6 mph. Chance of precipitation is 30%.
Friday
A chance of flurries before 1pm. Mostly cloudy, with a high near 24. West wind 7 to 11 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 13. West wind 3 to 5 mph.
Saturday
Mostly cloudy, with a high near 26. West wind 3 to 6 mph.
Saturday Night
Mostly cloudy, with a low around 18. Calm wind becoming west around 5 mph after midnight.
Sunday
Partly sunny, with a high near 28.
Sunday Night
A chance of snow after 1am. Mostly cloudy, with a low around 18. Chance of precipitation is 40%.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 34.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
A chance of rain after 1pm. Mostly cloudy, with a high near 39.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly cloudy, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Casco MI
 42.81°N 82.63°W (Elev. 630 ft)
3:25 am EST Jan 2, 2026
3am EST Jan 2, 2026-6pm EST Jan 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database