St Louis Airport (STL) Weather 07/13/2026
This Afternoon
89
Scattered T-storms
Tonight
73
T-storms Likely
Friday
89
Scattered T-storms
Friday Night
72
T-storms Likely
Saturday
87
Chance Showers
Saturday Night
70
Chance Showers
Sunday
88
Slight Chance Showers
Sunday Night
71
Mostly Clear
Monday
90
Sunny
Monday Night
72
Mostly Clear
Tuesday
92
Sunny
Tuesday Night
74
Mostly Clear
Wednesday
93
Sunny
Weekly Forecast
This Afternoon
Scattered showers and thunderstorms. Mostly cloudy, with a high near 89. Northwest wind around 6 mph. Chance of precipitation is 40%.
Tonight
Showers and thunderstorms likely, mainly between 1am and 5am. Mostly cloudy, with a low around 73. Southeast wind around 5 mph becoming southwest after midnight. Chance of precipitation is 60%.
Friday
Scattered showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 89. Southwest wind around 6 mph becoming north in the afternoon. Chance of precipitation is 30%.
Friday Night
Showers and thunderstorms likely, mainly after 1am. Increasing clouds, with a low around 72. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 87. West wind 5 to 8 mph becoming north in the afternoon. Chance of precipitation is 40%.
Saturday Night
A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 70.
Sunday
A 20 percent chance of showers. Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 93.