National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

66°F

19°C

Humidity 30%
Wind Speed S 10 mph
Barometer 29.94 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 15 May 7:15 pm EDT
Extended Forecast for

Allenton MI

  • Tonight

    Tonight: Mostly clear, with a low around 51. South wind around 8 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 80. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. West wind 5 to 7 mph becoming light and variable after midnight.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 76. Light and variable wind becoming east 5 to 7 mph in the morning.

    High: 76 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 59. Southeast wind 6 to 8 mph.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 66. Chance of precipitation is 40%.

    Low: 66 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 51. South wind around 8 mph.
Saturday
Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 80. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Partly cloudy, with a low around 52. West wind 5 to 7 mph becoming light and variable after midnight.
Sunday
Partly sunny, with a high near 76. Light and variable wind becoming east 5 to 7 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 59. Southeast wind 6 to 8 mph.
Monday
Sunny, with a high near 89.
Monday Night
A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 66. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 56.
Wednesday
Partly sunny, with a high near 66.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Allenton MI
 42.93°N 82.91°W (Elev. 801 ft)
Last Update:
4:24 pm EDT May 15, 2026
Forecast Valid:
7pm EDT May 15, 2026-6pm EDT May 22, 2026
 
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