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Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Overcast

39°F

4°C

Humidity 81%
Wind Speed Calm
Barometer 29.45 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 14 Jan 3:35 am EST
Extended Forecast for

3 Miles W Marysville MI

  • Overnight

    Overnight: A chance of rain before 5am, then a chance of rain and snow.  Cloudy, with a steady temperature around 36. West southwest wind around 8 mph, with gusts as high as 18 mph.  Chance of precipitation is 30%.

    Low: 36 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Snow likely, mainly after 7am.  Mostly cloudy, with a temperature falling to around 20 by 5pm. Northwest wind 9 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 10. Wind chill values as low as -2. Northwest wind around 11 mph, with gusts as high as 25 mph.

    Low: 10 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 18. Wind chill values as low as -4. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 18 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 11. Calm wind becoming south southwest 5 to 7 mph after midnight.

    Low: 11 °F

    Increasing
    Clouds

  • Friday

    Friday: Snow likely.  Cloudy, with a high near 32. Chance of precipitation is 70%.

    High: 32 °F

    Snow Likely

  • Friday Night

    Friday Night: A chance of snow before 1am.  Mostly cloudy, with a low around 22. Chance of precipitation is 40%.

    Low: 22 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow.  Mostly cloudy, with a high near 30.

    High: 30 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A chance of snow before 1am.  Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

Detailed Forecast

Overnight
A chance of rain before 5am, then a chance of rain and snow. Cloudy, with a steady temperature around 36. West southwest wind around 8 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
Wednesday
Snow likely, mainly after 7am. Mostly cloudy, with a temperature falling to around 20 by 5pm. Northwest wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, with a low around 10. Wind chill values as low as -2. Northwest wind around 11 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 18. Wind chill values as low as -4. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.
Thursday Night
Increasing clouds, with a low around 11. Calm wind becoming south southwest 5 to 7 mph after midnight.
Friday
Snow likely. Cloudy, with a high near 32. Chance of precipitation is 70%.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 40%.
Saturday
A chance of snow. Mostly cloudy, with a high near 30.
Saturday Night
A chance of snow before 1am. Mostly cloudy, with a low around 14.
Sunday
A chance of snow after 1pm. Mostly cloudy, with a high near 22.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 9.
M.L.King Day
A chance of snow. Mostly cloudy, with a high near 18.
Monday Night
Mostly cloudy, with a low around 4.
Tuesday
Partly sunny, with a high near 16.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Marysville MI
 42.91°N 82.53°W (Elev. 646 ft)
3:35 am EST Jan 14, 2026
3am EST Jan 14, 2026-6pm EST Jan 20, 2026
 
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Additional Resources

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