Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

74°F

23°C

Humidity 85%
Wind Speed S 3 mph
Barometer 29.98 in (1014.7 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 24 Jun 9:53 pm CDT
Extended Forecast for

Festus MO

Flood Watch June 25, 01:00pm until June 26, 07:00am
Click here for hazard details and duration
Flood Watch
  • Tonight

    Tonight: A 20 percent chance of showers.  Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 10am.  Partly sunny, with a high near 85. Calm wind.  Chance of precipitation is 40%.

    High: 85 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am.  Low around 68. Calm wind.  Chance of precipitation is 80%.

    Low: 68 °F

    T-storms

  • Friday

    Friday: Showers and possibly a thunderstorm.  High near 84. Southwest wind 3 to 6 mph.  Chance of precipitation is 90%.

    High: 84 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 69. Light southwest wind.  Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers. Partly cloudy, with a low around 66. Calm wind.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 85. Calm wind. Chance of precipitation is 40%.
Thursday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 68. Calm wind. Chance of precipitation is 80%.
Friday
Showers and possibly a thunderstorm. High near 84. Southwest wind 3 to 6 mph. Chance of precipitation is 90%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Light southwest wind. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
Sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny and hot, with a high near 98.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny and hot, with a high near 99.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Festus MO
 38.2°N 90.42°W (Elev. 591 ft)
8:21 pm CDT Jun 24, 2026
10pm CDT Jun 24, 2026-6pm CDT Jul 1, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database