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.

Mostly Cloudy

50°F

10°C

Humidity 71%
Wind Speed S 3 mph
Barometer 29.84 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 10 Mar 2:35 am EDT
Extended Forecast for

3 Miles NNE Avoca MI

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. Light and variable wind.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain between 8am and 3pm. Mostly cloudy, with a temperature rising to near 53 by 11am, then falling to around 40 during the remainder of the day. East northeast wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 53 °F⇓

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Temperature falling to near 36 by 8pm, then rising to around 45 during the remainder of the night. North northeast wind 5 to 8 mph becoming east after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 36 °F⇑

    Rain

  • Wednesday

    Wednesday: Rain and thunderstorms likely before 8am, then rain and possibly a thunderstorm between 8am and 11am, then rain after 11am. High near 49. South wind 7 to 13 mph becoming west in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 25. West northwest wind around 16 mph, with gusts as high as 29 mph.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Snow likely after 2am. Increasing clouds, with a low around 28. Chance of precipitation is 60%.

    Low: 28 °F

    Partly Cloudy
    then Snow
    Likely

  • Friday

    Friday: Rain and snow likely before 8am, then rain likely between 8am and 2pm, then a chance of rain and snow after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 42. Breezy.

    High: 42 °F

    Rain/Snow
    Likely and
    Breezy

  • Friday Night

    Friday Night: A chance of rain and snow before 8pm. Partly cloudy, with a low around 23. Breezy.

    Low: 23 °F

    Chance
    Rain/Snow and
    Breezy then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. Light and variable wind.
Tuesday
A chance of rain between 8am and 3pm. Mostly cloudy, with a temperature rising to near 53 by 11am, then falling to around 40 during the remainder of the day. East northeast wind 5 to 10 mph. Chance of precipitation is 40%.
Tuesday Night
Rain and possibly a thunderstorm. Temperature falling to near 36 by 8pm, then rising to around 45 during the remainder of the night. North northeast wind 5 to 8 mph becoming east after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Rain and thunderstorms likely before 8am, then rain and possibly a thunderstorm between 8am and 11am, then rain after 11am. High near 49. South wind 7 to 13 mph becoming west in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 25. West northwest wind around 16 mph, with gusts as high as 29 mph.
Thursday
Mostly sunny, with a high near 39.
Thursday Night
Snow likely after 2am. Increasing clouds, with a low around 28. Chance of precipitation is 60%.
Friday
Rain and snow likely before 8am, then rain likely between 8am and 2pm, then a chance of rain and snow after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 42. Breezy.
Friday Night
A chance of rain and snow before 8pm. Partly cloudy, with a low around 23. Breezy.
Saturday
Mostly cloudy, with a high near 37.
Saturday Night
Rain and snow likely. Cloudy, with a low around 28.
Sunday
Rain and snow. Cloudy, with a high near 44.
Sunday Night
Rain and snow. Cloudy, with a low around 19.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 26. Blustery.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Avoca MI
 43.11°N 82.65°W (Elev. 758 ft)
Last Update:
2:35 am EDT Mar 10, 2026
Forecast Valid:
2am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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