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.

Fair

62°F

17°C

Humidity 80%
Wind Speed S 6 mph
Barometer 29.69 in (1005.0 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 22 Mar 2:53 am CDT
Extended Forecast for

Festus MO

  • Today

    Today: Increasing clouds, with a high near 92. Southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 92 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 37. North wind 8 to 16 mph, with gusts as high as 34 mph.

    Low: 37 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 57. North wind around 8 mph.

    High: 57 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Light northeast wind.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 92. Southwest wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 37. North wind 8 to 16 mph, with gusts as high as 34 mph.
Monday
Increasing clouds, with a high near 57. North wind around 8 mph.
Monday Night
Mostly cloudy, with a low around 38. Light northeast wind.
Tuesday
Mostly sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61.
Thursday
Sunny, with a high near 92.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 42.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 55.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 58.
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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:
4:16 am CDT Mar 22, 2026
Forecast Valid:
4am CDT Mar 22, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation