National Weather Service Forecast for: Earth City MO
Issued by: National Weather Service Saint Louis, MO
Updated: 3:12 pm CDT Jul 16, 2026
 
This
Afternoon
This Afternoon: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Southeast wind around 7 mph becoming southwest.
Chance
T-storms
 Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.
Chance
T-storms then
Partly Cloudy
 Friday

Friday: A 30 percent chance of showers and thunderstorms, mainly between 11am and 2pm. Mostly sunny, with a high near 92. Heat index values as high as 102. West wind 3 to 8 mph.
Chance
T-storms
 Friday
Night
Friday Night: A slight chance of showers and thunderstorms between 7pm and 8pm. Mostly clear, with a low around 76. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Slight Chance
T-storms then
Mostly Clear
 Saturday

Saturday: A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93. West wind 7 to 10 mph.
Slight Chance
T-storms
 Saturday
Night
Saturday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Slight Chance
T-storms
 Sunday

Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.
Sunny then
Slight Chance
T-storms
 Sunday
Night
Sunday Night: Mostly clear, with a low around 74.
Mostly Clear

 Monday

Monday: Sunny, with a high near 95.
Sunny
Hi 90 °F Lo 75 °F Hi 92 °F Lo 76 °F Hi 93 °F Lo 75 °F Hi 92 °F Lo 74 °F Hi 95 °F

 

This Afternoon
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Southeast wind around 7 mph becoming southwest.
Tonight
 
 A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.
Friday
 
 A 30 percent chance of showers and thunderstorms, mainly between 11am and 2pm. Mostly sunny, with a high near 92. Heat index values as high as 102. West wind 3 to 8 mph.
Friday Night
 
 A slight chance of showers and thunderstorms between 7pm and 8pm. Mostly clear, with a low around 76. Southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Saturday
 
 A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93. West wind 7 to 10 mph.
Saturday Night
 
 A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75.
Sunday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.
Sunday Night
 
 Mostly clear, with a low around 74.
Monday
 
 Sunny, with a high near 95.
Monday Night
 
 Mostly clear, with a low around 77.
Tuesday
 
 Mostly sunny, with a high near 95.
Tuesday Night
 
 Partly cloudy, with a low around 71.
Wednesday
 
 Mostly sunny, with a high near 86.
Wednesday Night
 
 Mostly clear, with a low around 67.
Thursday
 
 A 20 percent chance of showers and thunderstorms. Sunny, with a high near 87.

 

Forecast from NOAA-NWS for Earth City MO.