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Current Weather Conditions for Lake St Louis, MO

A slight chance of showers and thunderstorms before 5pm. Mostly sunny, with a high near 91. Heat index values as high as 106. Southwest wind around 7 mph. Chance of precipitation is 20%.
87°F

Conditions

Wind: 7 mph SW
Humidity: 68%
Probability of Precipitation: 21%

Hourly Forcast (next 12 hours)

6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM
87° 88° 89° 89° 90° 91° 89° 85° 83° 81° 80° 79° 78°

Upcoming Week

Day Forecast High Low
This Afternoon
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 5pm. Mostly sunny, with a high near 91. Heat index values as high as 106. Southwest wind around 7 mph. Chance of precipitation is 20%.
91°F 66°F
Tonight
Mostly Clear
Mostly clear, with a low around 73. Heat index values as high as 108. Southwest wind 3 to 7 mph.
91°F 66°F
Wednesday
Mostly Sunny
Mostly sunny, with a high near 93. Heat index values as high as 103. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
91°F 66°F
Wednesday Night
Mostly Clear
Mostly clear, with a low around 74. Heat index values as high as 103. Southwest wind 7 to 12 mph, with gusts as high as 21 mph.
91°F 66°F
Thursday
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Southwest wind 7 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
91°F 66°F
Thursday Night
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 80%.
91°F 66°F
Friday
Slight Chance Rain Showers then Sunny
A slight chance of rain showers before 7am. Sunny, with a high near 84. Chance of precipitation is 20%.
91°F 66°F
Friday Night
Mostly Clear
Mostly clear, with a low around 63.
91°F 66°F
Saturday
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
91°F 66°F
Saturday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Partly cloudy, with a low around 66. Chance of precipitation is 70%.
91°F 66°F
Sunday
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
91°F 66°F
Sunday Night
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
91°F 66°F
Monday
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 20%.
91°F 66°F
Monday Night
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 20%.
91°F 66°F
Data provided by weather.gov