National Weather Service Forecast for: Earth City MO
Issued by: National Weather Service Saint Louis, MO
Updated: 4:56 am CDT Jun 22, 2026
 
Today

Today: Mostly cloudy, with a high near 75. North wind 8 to 11 mph.
Mostly Cloudy

 Tonight

Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 61. North wind 5 to 7 mph becoming calm in the evening.
Decreasing
Clouds

 Tuesday

Tuesday: Sunny, with a high near 82. Light east wind.
Sunny

 Tuesday
Night
Tuesday Night: A 20 percent chance of showers after 1am. Increasing clouds, with a low around 65. East wind around 5 mph becoming calm in the evening.
Partly Cloudy
then Slight
Chance
Showers
 Wednesday

Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. South wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 60%.
Showers
Likely

 Wednesday
Night
Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66.
Slight Chance
T-storms

 Thursday

Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Mostly Sunny
then Chance
T-storms
 Thursday
Night
Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 40%.
Chance
T-storms

 Friday

Friday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Chance
Showers then
Chance
T-storms
Hi 75 °F Lo 61 °F Hi 82 °F Lo 65 °F Hi 84 °F Lo 66 °F Hi 85 °F Lo 65 °F Hi 84 °F

 

Today
 
 Mostly cloudy, with a high near 75. North wind 8 to 11 mph.
Tonight
 
 Mostly cloudy, then gradually becoming mostly clear, with a low around 61. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
 
 Sunny, with a high near 82. Light east wind.
Tuesday Night
 
 A 20 percent chance of showers after 1am. Increasing clouds, with a low around 65. East wind around 5 mph becoming calm in the evening.
Wednesday
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. South wind around 5 mph becoming southwest in the afternoon. Chance of precipitation is 60%.
Wednesday Night
 
 A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66.
Thursday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Thursday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 40%.
Friday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Friday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Saturday
 
 A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Saturday Night
 
 A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Sunday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.

 

Forecast from NOAA-NWS for Earth City MO.