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

59°F

15°C

Humidity 36%
Wind Speed SE 5 mph
Barometer 30.34 in (1027.3 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 20 Apr 11:53 am CDT
Extended Forecast for

4 Miles SE Oakville MO

  • This Afternoon

    This Afternoon: Sunny, with a high near 69. Southeast wind 5 to 7 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Southeast wind 5 to 7 mph becoming south after midnight.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Southwest wind 6 to 9 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Southwest wind 5 to 7 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 69. Southeast wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 51. Southeast wind 5 to 7 mph becoming south after midnight.
Tuesday
Sunny, with a high near 79. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 55. Southwest wind 6 to 9 mph.
Wednesday
Sunny, with a high near 79. Southwest wind 5 to 7 mph.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Oakville MO
 38.4°N 90.27°W (Elev. 397 ft)
Last Update:
12:01 pm CDT Apr 20, 2026
Forecast Valid:
12pm CDT Apr 20, 2026-6pm CDT Apr 26, 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