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Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
51°F
11°C
| Humidity | 54% |
| Wind Speed | N 8 mph |
| Barometer | 30.07 in (1018.3 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 48°F (9°C) |
| Last update | 1 May 7:53 am CDT |
Extended Forecast for
Festus MO
Flood Warning May 1, 08:54am until May 3, 04:00pm
NOW until 4:00pm Sun
Flood Warning
Today
High: 64 °F
Patchy Fog
then SunnyTonight

Low: 40 °F
Slight Chance
ShowersSaturday

High: 61 °F
Mostly Sunny
Saturday Night

Low: 38 °F
Mostly Clear
Sunday

High: 75 °F
Sunny
Sunday Night

Low: 55 °F
Slight Chance
T-stormsMonday
High: 82 °F
Mostly Sunny
then Slight
Chance
T-stormsMonday Night

Low: 55 °F
Chance
T-storms
Detailed Forecast
Today
Patchy fog before 9am. Otherwise, sunny, with a high near 64. Calm wind becoming north around 6 mph in the morning.
Tonight
A 20 percent chance of showers between 1am and 4am. Partly cloudy, with a low around 40. Calm wind.
Saturday
Mostly sunny, with a high near 61. Calm wind becoming north around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 38. Light and variable wind.
Sunday
Sunny, with a high near 75. Calm wind becoming southwest 5 to 8 mph in the morning.
Sunday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then a slight chance of showers after 1am. Partly cloudy, with a low around 55. Chance of precipitation is 20%.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 70. Chance of precipitation is 70%.
Tuesday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Sunny, with a high near 68.
Additional Forecasts and Information
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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)
5:46 am CDT May 1, 2026
8am CDT May 1, 2026-6pm CDT May 7, 2026



