Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

81°F

27°C

Humidity 62%
Wind Speed S 15 G 29 mph
Barometer 29.54 in (999.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Jun 9:53 am CDT
Extended Forecast for

Festus MO

Wind Advisory June 17, 01:00pm until June 17, 08:00pm
Click here for hazard details and duration
Wind Advisory
  • Today

    Today: Sunny, with a high near 91. Breezy, with a south wind 13 to 20 mph, with gusts as high as 43 mph.

    High: 91 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am.  Cloudy, then gradually becoming partly cloudy, with a low around 68. West wind 6 to 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Increasing clouds, with a high near 81. Northwest wind 3 to 6 mph.  Chance of precipitation is 30%.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 59. Light north wind.

    Low: 59 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 84. Calm wind.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 86. Chance of precipitation is 70%.

    High: 86 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 91. Breezy, with a south wind 13 to 20 mph, with gusts as high as 43 mph.
Tonight
Showers and thunderstorms likely, mainly before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 68. West wind 6 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms. Increasing clouds, with a high near 81. Northwest wind 3 to 6 mph. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 59. Light north wind.
Juneteenth
Mostly sunny, with a high near 84. Calm wind.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.
Sunday Night
Showers and possibly a thunderstorm. Low around 67. Chance of precipitation is 80%.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 82.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Festus MO
 38.22°N 90.42°W (Elev. 499 ft)
9:41 am CDT Jun 17, 2026
10am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database