Saturday
Chance of showers
High:
88°F
A 50 percent chance of showers, mainly before 10am. Partly sunny, with a high near 88. Heat index values as high as 100. South wind around 6 mph becoming southwest in the afternoon.
St. Louis, MO Weather - Extended Forecast
Saturday Night
Partly cloudy
Overnight low:
74°F
Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny
High:
94°F
Mostly sunny, with a high near 94.
Sunday Night
Mostly clear
Overnight low:
77°F
Mostly clear, with a low around 77.
Monday
Hot
High:
100°F
Monday Night
Mostly clear
Overnight low:
79°F
Tuesday
Hot
High:
97°F
Tuesday Night
Partly cloudy
Overnight low:
75°F
Wednesday
Chance of showers and thunderstorms
High:
93°F
Wednesday Night
Partly cloudy
Overnight low:
73°F
Thursday
Mostly sunny
High:
92°F