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

43°F

6°C

Humidity 97%
Wind Speed Calm
Barometer 30.05 in (1017.5 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 7 May 12:53 am CDT
Extended Forecast for

Festus MO

  • Overnight

    Overnight: Mostly clear, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Light southwest wind.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 76. Southwest wind 3 to 8 mph.

    High: 76 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am. Low around 50. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Clear
    then Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 39. Calm wind.
Thursday
Sunny, with a high near 68. Calm wind becoming west 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 46. Light southwest wind.
Friday
A 50 percent chance of showers and thunderstorms after 4pm. Increasing clouds, with a high near 76. Southwest wind 3 to 8 mph.
Friday Night
A chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 1am. Low around 50. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Saturday
Sunny, with a high near 81.
Saturday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 53.
Sunday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 72.
Monday Night
Mostly clear, with a low around 49.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 80.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 56.
Wednesday
Mostly sunny, with a high near 80.
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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:
1:25 am CDT May 7, 2026
Forecast Valid:
2am CDT May 7, 2026-6pm CDT May 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