National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Overcast

56°F

13°C

Humidity 55%
Wind Speed NE 15 G 26 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 2 May 11:53 am CDT
Extended Forecast for

Festus MO

Flood Warning May 2, 12:11pm until May 3, 08:30pm
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning May 2, 12:11pm until May 3, 08:30pm

    NOW until 8:30pm Sun

    Flood Warning

  • This Afternoon

    High: 62 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. Light and variable wind.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75. Light south wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Southwest wind 3 to 6 mph.

    Low: 53 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 81. Southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 90%.

    High: 71 °F

    Showers
    Likely then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 62. North wind around 7 mph.
Tonight
Mostly clear, with a low around 38. Light and variable wind.
Sunday
Sunny, with a high near 75. Light south wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Southwest wind 3 to 6 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 81. Southwest wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Tuesday
Showers and possibly a thunderstorm. High near 71. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 46. Chance of precipitation is 80%.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
Wednesday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 43.
Friday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Festus MO
 38.22°N 90.39°W (Elev. 446 ft)
Last Update:
8:11 am CDT May 2, 2026
Forecast Valid:
12pm CDT May 2, 2026-6pm CDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation