National Weather Service Forecast for: St. Clair Shores MI
Issued by: National Weather Service Detroit/Pontiac, MI
Updated: 2:24 am EDT Jun 30, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 74. South wind around 5 mph.
Partly Cloudy

 Tuesday

Tuesday: Mostly sunny and hot, with a high near 99. Heat index values as high as 110. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Hot

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 77. West southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Mostly Clear

 Wednesday

Wednesday: Sunny and hot, with a high near 101. Heat index values as high as 109. West southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Hot

 Wednesday
Night
Wednesday Night: Clear, with a low around 78. West southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Clear

 Thursday

Thursday: Sunny and hot, with a high near 100.
Hot

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 76.
Partly Cloudy

 Friday

Friday: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 96.
Mostly Sunny
then Showers
Likely
 Friday
Night
Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71.
Showers
Likely then
Chance
T-storms
Lo 74 °F Hi 99 °F Lo 77 °F Hi 101 °F Lo 78 °F Hi 100 °F Lo 76 °F Hi 96 °F Lo 71 °F

Hazardous Weather Outlook
Air Quality Alert
Extreme Heat Warning
 

Overnight
 
 Partly cloudy, with a low around 74. South wind around 5 mph.
Tuesday
 
 Mostly sunny and hot, with a high near 99. Heat index values as high as 110. Southwest wind 7 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
 
 Mostly clear, with a low around 77. West southwest wind 8 to 11 mph, with gusts as high as 20 mph.
Wednesday
 
 Sunny and hot, with a high near 101. Heat index values as high as 109. West southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Wednesday Night
 
 Clear, with a low around 78. West southwest wind 8 to 11 mph, with gusts as high as 18 mph.
Thursday
 
 Sunny and hot, with a high near 100.
Thursday Night
 
 Partly cloudy, with a low around 76.
Friday
 
 Showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 96.
Friday Night
 
 Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71.
Independence Day
 
 A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Saturday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 88.
Sunday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Monday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 87.

 

Forecast from NOAA-NWS for St. Clair Shores MI.