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

73°F

23°C

Humidity 35%
Wind Speed SW 9 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 25 Mar 12:53 pm CDT
Extended Forecast for

Festus MO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 80. Southwest wind 6 to 8 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. South wind around 7 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 91. Southwest wind 6 to 11 mph, with gusts as high as 24 mph.

    High: 91 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. Low around 43. Southwest wind 7 to 10 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%.

    Low: 43 °F

    Chance
    T-storms then
    Rain

  • Friday

    Friday: A chance of rain and thunderstorms before 7am, then a chance of rain between 7am and 1pm. Mostly cloudy, with a high near 55. North wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    High: 55 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 80. Southwest wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 62. South wind around 7 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 91. Southwest wind 6 to 11 mph, with gusts as high as 24 mph.
Thursday Night
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. Low around 43. Southwest wind 7 to 10 mph becoming north after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%.
Friday
A chance of rain and thunderstorms before 7am, then a chance of rain between 7am and 1pm. Mostly cloudy, with a high near 55. North wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 53.
Monday
A 20 percent chance of rain and thunderstorms. Mostly sunny, with a high near 81.
Monday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 60.
Tuesday
A 30 percent chance of rain and thunderstorms. Partly sunny, with a high near 82.
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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:
1:25 pm CDT Mar 25, 2026
Forecast Valid:
1pm CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation