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St. Louis Cardinals Weather



Weather Forecast for Saint Louis

Now
Current Weather Conditions
92° F

Wind: 6.91 mph
Humidity: 62%
Clouds: 0%
Pressure: 1018 hPa
Sunrise: 7:17 AM ET
Sunset: 8:51 PM ET
Tomorrow
Tomorrow's Weather Conditions
Partly Cloudy
then Slight
Chance
T-storms

Chance
T-storms

Wed
Wed's Weather Conditions
Chance
T-storms


Chance
T-storms



Extended Forecast
 
National Weather Service Forecast for: Saint Louis MO
Issued by: National Weather Service Saint Louis, MO
Updated: 10:21 am CDT Aug 18, 2025
 
Today

Today: A 20 percent chance of showers and thunderstorms after 3pm.  Sunny and hot, with a high near 97. Heat index values as high as 109. South wind around 7 mph.
High: 97 °F
Tonight

Tonight: A 20 percent chance of showers and thunderstorms after 4am.  Partly cloudy, with a low around 76. South wind 3 to 5 mph.
Low: 76 °F
Tuesday

Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 7am.  Mostly sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming northwest around 6 mph in the afternoon.
High: 95 °F
Tuesday
Night
Tuesday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 75. Northwest wind around 5 mph becoming calm  in the evening.
Low: 75 °F
Wednesday

Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 88. Light north wind increasing to 5 to 9 mph in the morning.
High: 88 °F
Wednesday
Night
Wednesday Night: A chance of thunderstorms before 7pm.  Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Low: 68 °F
Thursday

Thursday: Sunny, with a high near 86.
High: 86 °F
Thursday
Night
Thursday Night: Mostly clear, with a low around 67.
Low: 67 °F
Friday

Friday: Sunny, with a high near 88.
High: 88 °F
Slight Chance
T-storms

Partly Cloudy
then Slight
Chance
T-storms
Chance
T-storms

Chance
T-storms

Chance
T-storms

Chance
T-storms then
Partly Cloudy
Sunny

Mostly Clear

Sunny

Hazardous Weather Outlook
Heat Advisory


Today
 
A 20 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 97. Heat index values as high as 109. South wind around 7 mph.
Tonight
 
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 76. South wind 3 to 5 mph.
Tuesday
 
A 40 percent chance of showers and thunderstorms, mainly after 7am. Mostly sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming northwest around 6 mph in the afternoon.
Tuesday Night
 
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
 
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 88. Light north wind increasing to 5 to 9 mph in the morning.
Wednesday Night
 
A chance of thunderstorms before 7pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
 
Sunny, with a high near 86.
Thursday Night
 
Mostly clear, with a low around 67.
Friday
 
Sunny, with a high near 88.
Friday Night
 
Mostly clear, with a low around 68.
Saturday
 
Sunny, with a high near 88.
Saturday Night
 
Mostly clear, with a low around 64.
Sunday
 
Sunny, with a high near 83.

Forecast from NOAA-NWS for Saint Louis.



 


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