National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

55°F

13°C

Humidity 40%
Wind Speed NW 12 G 22 mph
Barometer 30.31 in (1026.5 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 5 Apr 12:53 pm CDT
Extended Forecast for

Festus MO

  • This Afternoon

    This Afternoon: Sunny, with a high near 59. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 39. Northwest wind around 6 mph becoming light and variable in the evening.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 65. Light and variable wind becoming northwest 5 to 8 mph in the morning.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. North wind 5 to 7 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. East wind 5 to 7 mph.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 59. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 39. Northwest wind around 6 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 65. Light and variable wind becoming northwest 5 to 8 mph in the morning.
Monday Night
Mostly cloudy, with a low around 36. North wind 5 to 7 mph.
Tuesday
Partly sunny, with a high near 55. East wind 5 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 54.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Festus MO
 38.2°N 90.42°W (Elev. 591 ft)
Last Update:
12:56 pm CDT Apr 5, 2026
Forecast Valid:
1pm CDT Apr 5, 2026-6pm CDT Apr 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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