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

77°F

25°C

Humidity 71%
Wind Speed Vrbl 5 mph
Barometer 30.05 in (1017.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 15 Jun 9:53 am CDT
Extended Forecast for

Festus MO

  • Today

    Today: Partly sunny, with a high near 85. Light northeast wind.

    High: 85 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 68. Light northeast wind.

    Low: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly cloudy, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.

    High: 84 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. Calm wind becoming south around 6 mph in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 85. Light northeast wind.
Tonight
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 68. Light northeast wind.
Monday
A 40 percent chance of showers and thunderstorms, mainly between 1pm and 4pm. Mostly cloudy, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 68. Calm wind.
Tuesday
Mostly sunny, with a high near 93. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 72.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68.
Juneteenth
Mostly sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Festus MO
 38.22°N 90.42°W (Elev. 499 ft)
Last Update:
8:37 am CDT Jun 15, 2025
Forecast Valid:
10am CDT Jun 15, 2025-6pm CDT Jun 21, 2025
 
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