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.

Overcast

41°F

5°C

Humidity 57%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 18 Nov 3:35 pm EST
Extended Forecast for

Allenton MI

  • This Afternoon

    This Afternoon: A slight chance of snow after 5pm. Cloudy, with a high near 39. Calm wind. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: A chance of rain and snow before midnight, then a chance of snow between midnight and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 25. Calm wind becoming north around 5 mph in the evening. Chance of precipitation is 30%.

    Low: 25 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 43. Light north wind.

    High: 43 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 48. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 48 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain. Cloudy, with a low around 38. Chance of precipitation is 30%.

    Low: 38 °F

    Chance Rain

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 50.

    High: 50 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of snow after 5pm. Cloudy, with a high near 39. Calm wind. Chance of precipitation is 20%.
Tonight
A chance of rain and snow before midnight, then a chance of snow between midnight and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 25. Calm wind becoming north around 5 mph in the evening. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 43. Light north wind.
Wednesday Night
Mostly cloudy, with a low around 26. Calm wind.
Thursday
Partly sunny, with a high near 48. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
A chance of rain. Cloudy, with a low around 38. Chance of precipitation is 30%.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 50.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
Partly sunny, with a high near 52.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Allenton MI
 42.91°N 82.88°W (Elev. 801 ft)
Last Update:
3:35 pm EST Nov 18, 2025
Forecast Valid:
3pm EST Nov 18, 2025-6pm EST Nov 24, 2025
 
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