National Weather Service Forecast for: Webster Groves MO
Issued by: National Weather Service Saint Louis, MO
Updated: 5:21 am CDT Jun 18, 2025
 
Today

Today: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 85. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.
Chance
T-storms
Tonight

Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight.  Mostly cloudy, with a low around 67. Southwest wind 7 to 10 mph.  Chance of precipitation is 50%.
Chance
T-storms then
Partly Cloudy
Juneteenth

Juneteenth: Sunny, with a high near 86. Northwest wind around 8 mph.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 68. Calm wind.
Mostly Clear

Friday

Friday: Sunny, with a high near 93. Calm wind becoming south 5 to 8 mph in the morning.
Sunny

Friday
Night
Friday Night: Mostly clear, with a low around 75.
Mostly Clear

Saturday

Saturday: Sunny and hot, with a high near 97.
Hot

Saturday
Night
Saturday Night: Mostly clear, with a low around 77.
Mostly Clear

Sunday

Sunday: Sunny and hot, with a high near 97.
Hot

Hi 85 °F Lo 67 °F Hi 86 °F Lo 68 °F Hi 93 °F Lo 75 °F Hi 97 °F Lo 77 °F Hi 97 °F

Hazardous Weather Outlook
 

Today
 
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.
Tonight
 
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 67. Southwest wind 7 to 10 mph. Chance of precipitation is 50%.
Juneteenth
 
Sunny, with a high near 86. Northwest wind around 8 mph.
Thursday Night
 
Mostly clear, with a low around 68. Calm wind.
Friday
 
Sunny, with a high near 93. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
 
Mostly clear, with a low around 75.
Saturday
 
Sunny and hot, with a high near 97.
Saturday Night
 
Mostly clear, with a low around 77.
Sunday
 
Sunny and hot, with a high near 97.
Sunday Night
 
Mostly clear, with a low around 77.
Monday
 
Sunny, with a high near 96.
Monday Night
 
Mostly clear, with a low around 76.
Tuesday
 
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.

 

Forecast from NOAA-NWS for Webster Groves MO.