Current conditions at

St Clair County International Airport (KPHN)

Lat: 42.91°NLon: 82.53°WElev: 636ft.

Fair

86°F

30°C

Humidity 55%
Wind Speed S 7 mph
Barometer 30.01 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 29 Jun 6:56 pm EDT
Extended Forecast for

Memphis MI

Extreme Heat Warning June 30, 12:00pm until July 2, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Tonight

    Tonight: Partly cloudy, with a low around 71. South southeast wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97. Heat index values as high as 109. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. West southwest wind around 8 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98. Heat index values as high as 108. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. West southwest wind around 8 mph, with gusts as high as 18 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: A chance of showers after 2am.  Mostly clear, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: A chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm.  Mostly sunny and hot, with a high near 94.

    High: 94 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers.  Partly cloudy, with a low around 68.

    Low: 68 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 71. South southeast wind 5 to 9 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 97. Heat index values as high as 109. Southwest wind 7 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 74. West southwest wind around 8 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 98. Heat index values as high as 108. West southwest wind 7 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 74. West southwest wind around 8 mph, with gusts as high as 18 mph.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
A chance of showers after 2am. Mostly clear, with a low around 71. Chance of precipitation is 30%.
Friday
A chance of showers before 8am, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 94.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Partly cloudy, with a low around 68.
Independence Day
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 89.
Saturday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Sunday
A chance of showers. Partly sunny, with a high near 88.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 65.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Memphis MI
 42.9°N 82.76°W (Elev. 735 ft)
4:24 pm EDT Jun 29, 2026
7pm EDT Jun 29, 2026-6pm EDT Jul 6, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database