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.

Partly Cloudy

52°F

11°C

Humidity 44%
Wind Speed S 10 G 16 mph
Barometer 30.02 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 14 Nov 12:35 pm EST
Extended Forecast for

3 Miles NE Casco MI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 52. South southeast wind around 7 mph.

    High: 52 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 38. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 38 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of rain after 1pm. Cloudy, with a high near 61. South wind 7 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%.

    High: 61 °F

    Cloudy then
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. West northwest wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 44. West northwest wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 44 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 52. South southeast wind around 7 mph.
Tonight
Increasing clouds, with a low around 38. Calm wind becoming south southeast around 5 mph after midnight.
Saturday
A chance of rain after 1pm. Cloudy, with a high near 61. South wind 7 to 13 mph becoming west southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 34. West northwest wind 10 to 13 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 44. West northwest wind 13 to 17 mph, with gusts as high as 26 mph.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
A chance of rain. Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Casco MI
 42.81°N 82.63°W (Elev. 630 ft)
Last Update:
9:49 am EST Nov 14, 2025
Forecast Valid:
12pm EST Nov 14, 2025-6pm EST Nov 20, 2025
 
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