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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Festus MO

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall. Low around 60. South wind 6 to 10 mph becoming southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Heavy Rain

  • Saturday

    Saturday: Showers, mainly before 9am. High near 69. Southwest wind 7 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%.

    High: 69 °F

    Showers then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 68. Calm wind becoming southwest around 6 mph.

    High: 68 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 47. Calm wind becoming south around 5 mph after midnight.

    Low: 47 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain and thunderstorms after midnight. Mostly clear, with a low around 59.

    Low: 59 °F

    Clear then
    Chance Rain

  • Tuesday

    Tuesday: Rain likely and possibly a thunderstorm. Mostly sunny, with a high near 80. Chance of precipitation is 70%.

    High: 80 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Rain

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Some of the storms could produce heavy rainfall. Low around 60. South wind 6 to 10 mph becoming southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%.
Saturday
Showers, mainly before 9am. High near 69. Southwest wind 7 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%.
Saturday Night
Partly cloudy, with a low around 36. Northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny, with a high near 68. Calm wind becoming southwest around 6 mph.
Sunday Night
Clear, with a low around 47. Calm wind becoming south around 5 mph after midnight.
Monday
Sunny, with a high near 80.
Monday Night
A 30 percent chance of rain and thunderstorms after midnight. Mostly clear, with a low around 59.
Tuesday
Rain likely and possibly a thunderstorm. Mostly sunny, with a high near 80. Chance of precipitation is 70%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 90%.
Wednesday
Rain and possibly a thunderstorm before noon, then a chance of rain. High near 63. Chance of precipitation is 80%.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 35.
Thursday
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 38.
Friday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Festus MO
 38.22°N 90.39°W (Elev. 446 ft)
Last Update:
8:51 pm CST Mar 6, 2026
Forecast Valid:
10pm CST Mar 6, 2026-6pm CDT Mar 13, 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