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.

Overcast

48°F

9°C

Humidity 86%
Wind Speed W 5 mph
Barometer 29.92 in (1013.1 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 18 Apr 6:53 am CDT
Extended Forecast for

Festus MO

  • Today

    Today: A 40 percent chance of showers, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 59. Northwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 59 °F

    Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Clear, with a low around 39. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 39 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 59. Northwest wind 10 to 15 mph, with gusts as high as 23 mph.
Tonight
Clear, with a low around 39. Northwest wind 5 to 7 mph becoming calm in the evening.
Sunday
Sunny, with a high near 69. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 39. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 70. Calm wind becoming southeast around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 84.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Festus MO
 38.22°N 90.39°W (Elev. 446 ft)
Last Update:
5:41 am CDT Apr 18, 2026
Forecast Valid:
7am CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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