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/Mist

37°F

3°C

Humidity 93%
Wind Speed SE 3 mph
Barometer 30.25 in
Dewpoint 36°F (2°C)
Visibility 4.00 mi
Last update 4 Mar 12:15 pm EST
Extended Forecast for

3 Miles NE Casco MI

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 47. Southeast wind around 5 mph.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of rain, mainly after 2am. Mostly cloudy, with a low around 34. Calm wind. Chance of precipitation is 30%.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain. High near 44. East northeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain Likely
    then Rain

  • Thursday Night

    Thursday Night: A chance of rain before 1am. Cloudy, with a low around 37. East northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 40%.

    Low: 37 °F

    Chance Rain

  • Friday

    Friday: A chance of rain after 1pm. Mostly cloudy, with a high near 57. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 57 °F

    Cloudy then
    Chance Rain

  • Friday Night

    Friday Night: Rain likely, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Rain Likely

  • Saturday

    Saturday: Rain and possibly a thunderstorm. High near 63. Chance of precipitation is 80%.

    High: 63 °F

    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 47. Southeast wind around 5 mph.
Tonight
A chance of rain, mainly after 2am. Mostly cloudy, with a low around 34. Calm wind. Chance of precipitation is 30%.
Thursday
Rain. High near 44. East northeast wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A chance of rain before 1am. Cloudy, with a low around 37. East northeast wind around 6 mph becoming calm after midnight. Chance of precipitation is 40%.
Friday
A chance of rain after 1pm. Mostly cloudy, with a high near 57. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 30%.
Friday Night
Rain likely, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Saturday
Rain and possibly a thunderstorm. High near 63. Chance of precipitation is 80%.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 60.
Monday Night
Mostly clear, with a low around 48.
Tuesday
A chance of rain. Partly sunny, with a high near 64.
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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:
3:24 am EST Mar 4, 2026
Forecast Valid:
12pm EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
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