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St. Louis Cardinals Weather



Weather Forecast for Saint Louis

Now
Current Weather Conditions
81° F

Wind: 1.99 mph
Humidity: 53%
Clouds: 98%
Pressure: 1014 hPa
Sunrise: 7:45 AM ET
Sunset: 8:04 PM ET
Tomorrow
Tomorrow's Weather Conditions
Isolated
Showers then
Isolated
T-storms

Scattered
T-storms

Sun
Sun's Weather Conditions
Mostly Sunny
then Slight
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: 7:26 pm CDT Sep 18, 2025
 
Tonight

Tonight: Isolated showers and thunderstorms between midnight and 4am, then isolated showers after 4am.  Mostly cloudy, with a low around 67. Northwest wind around 6 mph.  Chance of precipitation is 20%.
Low: 67 °F
Friday

Friday: Isolated showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 85. Light and variable wind becoming west around 5 mph in the morning.  Chance of precipitation is 20%.
High: 85 °F
Friday
Night
Friday Night: Scattered showers and thunderstorms, mainly before 7pm.  Partly cloudy, with a low around 67. Light and variable wind.  Chance of precipitation is 30%.
Low: 67 °F
Saturday

Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.
High: 88 °F
Saturday
Night
Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am.  Mostly cloudy, with a low around 68. Light south wind.
Low: 68 °F
Sunday

Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 86. Chance of precipitation is 60%.
High: 86 °F
Sunday
Night
Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Low: 68 °F
Monday

Monday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 86.
High: 86 °F
Monday
Night
Monday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 66.
Low: 66 °F
Mostly Cloudy
then Isolated
T-storms
Isolated
Showers then
Isolated
T-storms
Scattered
T-storms

Mostly Sunny
then Slight
Chance
T-storms
Chance
T-storms

Showers
Likely

Chance
T-storms then
Showers
Likely
Chance
Showers then
Chance
T-storms
Chance
T-storms

Hazardous Weather Outlook


Tonight
 
Isolated showers and thunderstorms between midnight and 4am, then isolated showers after 4am. Mostly cloudy, with a low around 67. Northwest wind around 6 mph. Chance of precipitation is 20%.
Friday
 
Isolated showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. Light and variable wind becoming west around 5 mph in the morning. Chance of precipitation is 20%.
Friday Night
 
Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 30%.
Saturday
 
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
 
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68. Light south wind.
Sunday
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Sunday Night
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Chance of precipitation is 70%.
Monday
 
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Monday Night
 
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
 
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Tuesday Night
 
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Wednesday
 
A 40 percent chance of showers. Partly sunny, with a high near 78.
Wednesday Night
 
A 30 percent chance of showers. Mostly cloudy, with a low around 62.
Thursday
 
A 30 percent chance of showers. Mostly sunny, with a high near 79.

Forecast from NOAA-NWS for Saint Louis.



 


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