National Weather Service Forecast for: St. Louis, MO
Issued by: National Weather Service St. Louis/St. Charles, MO
Updated: Wed, 08-Jul-2026 8:16am CDT

Saint Louis
 
Today

Today: Mostly Sunny then Isolated Showers And Thunderstorms
Mostly Sunny then Isolated Showers And T-Storms
Thursday

Thursday: Partly Sunny then Scattered Showers And Thunderstorms
Partly Sunny then Scattered Showers And T-Storms
Friday

Friday: Showers And Thunderstorms
Showers And T-Storms
Saturday

Saturday: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Sunday

Sunday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
 
Hi 90 °F Hi 94 °F Hi 91 °F Hi 89 °F Hi 89 °F Hi 91 °F Hi 93 °F  
 
Tonight

Tonight: Isolated Showers And Thunderstorms then Mostly Clear
Isolated Showers And T-Storms then Mostly Clear
Thursday
Night
Thursday Night: Showers And Thunderstorms
Showers And T-Storms
Friday
Night
Friday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Saturday
Night
Saturday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Sunday
Night
Sunday Night: Slight Chance Showers And Thunderstorms then Partly Cloudy
Slight Chance Showers And T-Storms then Partly Cloudy
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
 
Lo 74 °F Lo 75 °F Lo 73 °F Lo 72 °F Lo 72 °F Lo 73 °F Lo 74 °F  

 

Today
 
Isolated showers and thunderstorms after noon. Mostly sunny, with a high near 90. South wind around 5 mph. Chance of precipitation is 20%.
Tonight
 
Isolated showers and thunderstorms before 7pm. Mostly clear, with a low around 74. South wind around 5 mph. Chance of precipitation is 20%.
Thursday
 
Scattered showers and thunderstorms after noon. Partly sunny, with a high near 94. Heat index values as high as 102. Southwest wind 3 to 8 mph. Chance of precipitation is 50%.
Thursday Night
 
Showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 75. Heat index values as high as 100. Southwest wind 2 to 7 mph. Chance of precipitation is 80%.
Friday
 
Showers and thunderstorms. Partly sunny, with a high near 91. West wind around 6 mph. Chance of precipitation is 80%.
Friday Night
 
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 70%.
Saturday
 
Showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 70%.
Saturday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 50%.
Sunday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Sunday Night
 
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. Chance of precipitation is 20%.
Monday
 
Sunny, with a high near 91.
Monday Night
 
Mostly clear, with a low around 73.
Tuesday
 
Sunny, with a high near 93.
Tuesday Night
 
Mostly clear, with a low around 74.

 

Forecast from NOAA-NWS for St. Louis, MO.