Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
62°F
17°C
| Humidity | 80% |
| Wind Speed | S 6 mph |
| Barometer | 29.69 in (1005.0 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 22 Mar 2:53 am CDT |
Extended Forecast for
Festus MO
Today

High: 92 °F
Increasing
CloudsTonight
Low: 37 °F
Slight Chance
T-storms then
Mostly ClearMonday

High: 57 °F
Increasing
CloudsMonday Night

Low: 38 °F
Mostly Cloudy
Tuesday

High: 66 °F
Mostly Sunny
Tuesday Night

Low: 45 °F
Mostly Cloudy
Wednesday

High: 78 °F
Mostly Sunny
Wednesday Night

Low: 61 °F
Slight Chance
T-stormsThursday

High: 92 °F
Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 92. Southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 37. North wind 8 to 16 mph, with gusts as high as 34 mph.
Monday
Increasing clouds, with a high near 57. North wind around 8 mph.
Monday Night
Mostly cloudy, with a low around 38. Light northeast wind.
Tuesday
Mostly sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61.
Thursday
Sunny, with a high near 92.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 42.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 55.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 58.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Festus MO
38.22°N 90.39°W (Elev. 446 ft)
38.22°N 90.39°W (Elev. 446 ft)
4:16 am CDT Mar 22, 2026
4am CDT Mar 22, 2026-6pm CDT Mar 28, 2026



