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

82°F

28°C

Humidity 72%
Wind Speed Vrbl 5 mph
Barometer 29.98 in (1014.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 25 Jun 10:53 am 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

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Increasing clouds, with a high near 87. Calm wind.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Low around 68. Calm wind. Chance of precipitation is 80%.

    Low: 68 °F

    Heavy Rain
    then Showers

  • Friday

    Friday: Showers and thunderstorms, mainly before 3pm. High near 84. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 80%.

    High: 84 °F

    Showers then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 7pm. Low around 69. Light southwest wind. Chance of precipitation is 80%.

    Low: 69 °F

    T-storms then
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Light southwest wind. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

  • Saturday Night

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

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Increasing clouds, with a high near 87. Calm wind.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Low around 68. Calm wind. Chance of precipitation is 80%.
Friday
Showers and thunderstorms, mainly before 3pm. High near 84. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 80%.
Friday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 7pm. Low around 69. Light southwest wind. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Light southwest wind. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny and hot, with a high near 97.
Monday Night
Clear, with a low around 76.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 98.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Festus MO
 38.22°N 90.42°W (Elev. 499 ft)
Last Update:
10:26 am CDT Jun 25, 2026
Forecast Valid:
10am CDT Jun 25, 2026-6pm CDT Jul 1, 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