Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

48°F

9°C

Humidity 46%
Wind Speed NW 8 mph
Barometer 30.06 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 13 Nov 3:15 pm EST
Extended Forecast for

Casco MI

  • This Afternoon

    This Afternoon: Sunny, with a high near 50. West wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 30. West wind 5 to 8 mph.

    Low: 30 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 51. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 51 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain after 1pm.  Cloudy, with a high near 61. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 50%.

    High: 61 °F

    Cloudy then
    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain before 1am.  Mostly cloudy, with a low around 35. Chance of precipitation is 40%.

    Low: 35 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 50. West wind 11 to 13 mph, with gusts as high as 21 mph.
Tonight
Increasing clouds, with a low around 30. West wind 5 to 8 mph.
Friday
Partly sunny, with a high near 51. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 34. Calm wind becoming south southeast around 5 mph after midnight.
Saturday
A chance of rain after 1pm. Cloudy, with a high near 61. Southwest wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Saturday Night
A chance of rain before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Mostly clear, with a low around 28.
Monday
Mostly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
A chance of rain. Partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly cloudy, with a high near 46.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Casco MI
 42.74°N 82.67°W (Elev. 630 ft)
2:35 pm EST Nov 13, 2025
3pm EST Nov 13, 2025-6pm EST Nov 19, 2025
 
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