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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

3 Miles NW Saint Clair MI

  • This Afternoon

    This Afternoon: Sunny, with a high near 61. West northwest wind around 8 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 35. West northwest wind around 5 mph becoming calm after midnight.

    Low: 35 °F

    Increasing
    Clouds

  • Veterans Day

    Veterans Day: A chance of rain after 5pm. Mostly cloudy, with a high near 55. Light and variable wind. Chance of precipitation is 30%.

    High: 55 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 38. North wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain Likely

  • Thursday

    Thursday: Rain, mainly after 1pm. High near 48. North wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance Rain
    then Rain

  • Thursday Night

    Thursday Night: Rain before 10pm, then rain and snow between 10pm and 4am, then snow likely after 4am. Low around 30. Chance of precipitation is 90%.

    Low: 30 °F

    Rain/Snow

  • Friday

    Friday: Snow before 7am, then rain and snow between 7am and 1pm, then rain after 1pm. High near 43. Chance of precipitation is 80%.

    High: 43 °F

    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday

    Saturday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 61. West northwest wind around 8 mph.
Tonight
Increasing clouds, with a low around 35. West northwest wind around 5 mph becoming calm after midnight.
Veterans Day
A chance of rain after 5pm. Mostly cloudy, with a high near 55. Light and variable wind. Chance of precipitation is 30%.
Wednesday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 38. North wind 3 to 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, mainly after 1pm. High near 48. North wind 10 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain before 10pm, then rain and snow between 10pm and 4am, then snow likely after 4am. Low around 30. Chance of precipitation is 90%.
Friday
Snow before 7am, then rain and snow between 7am and 1pm, then rain after 1pm. High near 43. Chance of precipitation is 80%.
Friday Night
A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 28.
Saturday
Partly sunny, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 45.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Saint Clair MI
 42.84°N 82.53°W (Elev. 600 ft)
Last Update:
4:13 pm EST Nov 10, 2026
Forecast Valid:
4pm EST Nov 10, 2026-6pm EST Nov 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation