Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
82°F
28°C
| Humidity | 67% |
| Wind Speed | NE 6 mph |
| Barometer | 29.93 in (1012.9 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 13 Aug 7:53 pm CDT |
Extended Forecast for
Festus MO
Tonight
Low: 68 °F
Partly Cloudy
then Patchy
FogThursday
High: 88 °F
Areas Fog
then Mostly
SunnyThursday Night
Low: 70 °F
Mostly Clear
Friday
High: 96 °F
Sunny
Friday Night
Low: 73 °F
Mostly Clear
Saturday
High: 97 °F
Hot
Saturday Night
Low: 73 °F
Mostly Clear
Sunday
High: 98 °F
Hot
Sunday Night
Low: 73 °F
Partly Cloudy
Detailed Forecast
Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 68. Light northeast wind.
Thursday
Areas of fog before 10am. Otherwise, sunny, with a high near 88. Light northeast wind.
Thursday Night
Mostly clear, with a low around 70. Calm wind.
Friday
Sunny, with a high near 96. Heat index values as high as 105. Calm wind.
Friday Night
Mostly clear, with a low around 73. Calm wind.
Saturday
Sunny and hot, with a high near 97.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny and hot, with a high near 98.
Sunday Night
Partly cloudy, with a low around 73.
Monday
Mostly sunny and hot, with a high near 97.
Monday Night
Partly cloudy, with a low around 73.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Festus MO
38.22°N 90.39°W (Elev. 446 ft)
38.22°N 90.39°W (Elev. 446 ft)
8:01 pm CDT Aug 13, 2025
8pm CDT Aug 13, 2025-6pm CDT Aug 20, 2025
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