


Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
82°F
28°C
Humidity | 85% |
Wind Speed | Calm |
Barometer | 29.93 in (1013.0 mb) |
Dewpoint | 77°F (25°C) |
Visibility | 10.00 mi |
Heat Index | 90°F (32°C) |
Last update | 19 Jul 8:53 pm CDT |
Extended Forecast for
2 Miles S Mehlville MO
Extreme Heat Warning July 19, 09:42pm until July 24, 07:00pm
NOW until 7:00pm Thu
Extreme Heat Warning
Tonight
Low: 76 °F
Partly Cloudy
Sunday
High: 96 °F
Mostly Sunny
Sunday Night
Low: 75 °F
Chance
T-storms then
Chance
ShowersMonday
High: 94 °F
Mostly Sunny
then Slight
Chance
T-stormsMonday Night
Low: 76 °F
Mostly Clear
Tuesday
High: 97 °F
Hot
Tuesday Night
Low: 76 °F
Mostly Clear
Wednesday
High: 98 °F
Hot
Detailed Forecast
Tonight
Partly cloudy, with a low around 76. Light south wind.
Sunday
Mostly sunny, with a high near 96. Heat index values as high as 110. Southwest wind 3 to 8 mph.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southwest wind 5 to 7 mph becoming calm. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Heat index values as high as 107. Calm wind becoming west around 5 mph.
Monday Night
Mostly clear, with a low around 76. Light south wind.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 98.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Mostly clear, with a low around 77.
Friday
Sunny and hot, with a high near 98.
Friday Night
Mostly clear, with a low around 77.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles S Mehlville MO
38.47°N 90.32°W (Elev. 499 ft)
38.47°N 90.32°W (Elev. 499 ft)
7:51 pm CDT Jul 19, 2025
9pm CDT Jul 19, 2025-6pm CDT Jul 26, 2025