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 NNW Allenton MI

  • Overnight

    Overnight: A chance of rain before 4am, then a slight chance of rain after 5am. Mostly cloudy, with a low around 38. Light north northwest wind. Chance of precipitation is 40%.

    Low: 38 °F

    Chance Rain

  • Thursday

    Thursday: Rain, mainly after 9am. High near 45. North northeast wind 5 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain then
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before 3am, then snow likely. Mostly cloudy, with a low around 30. North northwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Friday

    Friday: Snow likely before 1pm, then rain likely between 1pm and 4pm, then rain and snow likely after 4pm. Mostly cloudy, with a high near 41. North northwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Snow likely before 7pm. Partly cloudy, with a low around 27. Northwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow Likely
    then Partly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of rain before 4am, then a slight chance of rain after 5am. Mostly cloudy, with a low around 38. Light north northwest wind. Chance of precipitation is 40%.
Thursday
Rain, mainly after 9am. High near 45. North northeast wind 5 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of rain and snow before 3am, then snow likely. Mostly cloudy, with a low around 30. North northwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow likely before 1pm, then rain likely between 1pm and 4pm, then rain and snow likely after 4pm. Mostly cloudy, with a high near 41. North northwest wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
Snow likely before 7pm. Partly cloudy, with a low around 27. Northwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Partly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Partly sunny, with a high near 45.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Allenton MI
 42.96°N 82.91°W (Elev. 797 ft)
Last Update:
9:49 pm EST Nov 11, 2026
Forecast Valid:
12am EST Nov 12, 2026-6pm EST Nov 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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