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

71°F

22°C

Humidity 87%
Wind Speed SW 3 mph
Barometer 29.87 in (1011.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 18 Jun 9:53 pm CDT
Extended Forecast for

Festus MO

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 1am. Cloudy early, then clearing, with a low around 67. Light and variable wind becoming west 5 to 7 mph after midnight. Winds could gust as high as 20 mph.

    Low: 67 °F

    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 88. Northwest wind 5 to 7 mph.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Light and variable wind.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93. Calm wind becoming south around 6 mph in the morning.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. South wind around 6 mph.

    Low: 75 °F

    Mostly Clear

  • Saturday

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

    High: 97 °F

    Hot

  • Saturday Night

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

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Sunday Night

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

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 1am. Cloudy early, then clearing, with a low around 67. Light and variable wind becoming west 5 to 7 mph after midnight. Winds could gust as high as 20 mph.
Juneteenth
Sunny, with a high near 88. Northwest wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 66. Light and variable wind.
Friday
Sunny, with a high near 93. Calm wind becoming south around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 75. South wind around 6 mph.
Saturday
Sunny and hot, with a high near 97.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 98.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 75.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Festus MO
 38.2°N 90.42°W (Elev. 591 ft)
Last Update:
9:52 pm CDT Jun 18, 2025
Forecast Valid:
10pm CDT Jun 18, 2025-6pm CDT Jun 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation