National Weather Service Forecast for: Earth City MO
Issued by: National Weather Service Saint Louis, MO
Updated: 7:26 am CDT May 26, 2026
 
Today

Today: Mostly cloudy, with a high near 82. Calm wind becoming east 5 to 7 mph in the afternoon.
Mostly Cloudy

Tonight

Tonight: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.
Slight Chance
T-storms then
Chance
Showers
Wednesday

Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
Chance
T-storms

Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm  in the evening.
Partly Cloudy

Thursday

Thursday: Partly sunny, with a high near 85. Light northeast wind becoming east 5 to 9 mph in the morning.
Partly Sunny

Thursday
Night
Thursday Night: Mostly cloudy, with a low around 64.
Mostly Cloudy

Friday

Friday: Mostly cloudy, with a high near 81.
Mostly Cloudy

Friday
Night
Friday Night: Mostly cloudy, with a low around 62.
Mostly Cloudy

Saturday

Saturday: Mostly sunny, with a high near 82.
Mostly Sunny

Hi 82 °F Lo 64 °F Hi 84 °F Lo 64 °F Hi 85 °F Lo 64 °F Hi 81 °F Lo 62 °F Hi 82 °F

Hazardous Weather Outlook
 

Today
 
Mostly cloudy, with a high near 82. Calm wind becoming east 5 to 7 mph in the afternoon.
Tonight
 
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am, then a slight chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Wednesday
 
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
 
Partly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.
Thursday
 
Partly sunny, with a high near 85. Light northeast wind becoming east 5 to 9 mph in the morning.
Thursday Night
 
Mostly cloudy, with a low around 64.
Friday
 
Mostly cloudy, with a high near 81.
Friday Night
 
Mostly cloudy, with a low around 62.
Saturday
 
Mostly sunny, with a high near 82.
Saturday Night
 
Partly cloudy, with a low around 61.
Sunday
 
Mostly sunny, with a high near 81.
Sunday Night
 
Partly cloudy, with a low around 60.
Monday
 
Sunny, with a high near 82.

 

Forecast from NOAA-NWS for Earth City MO.