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Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Overcast
54°F
12°C
| Humidity | 69% |
| Wind Speed | NW 13 mph |
| Barometer | 30.02 in (1016.5 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 1 May 1:53 am CDT |
Extended Forecast for
Festus MO
Flood Warning May 1, 03:54am until May 3, 04:00pm
NOW until 4:00pm Sun

Flood Warning
Overnight

Low: 43 °F
Patchy Fog
Friday
High: 64 °F
Patchy Fog
then SunnyFriday Night

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-storms
Detailed Forecast
Overnight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 43. Light northwest wind.
Friday
Patchy fog before 9am. Otherwise, sunny, with a high near 64. Calm wind becoming north around 6 mph in the morning.
Friday Night
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.
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 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
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)
3:16 am CDT May 1, 2026
3am CDT May 1, 2026-6pm CDT May 7, 2026



