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

60°F

16°C

Humidity 56%
Wind Speed S 9 mph
Barometer 29.89 in (1011.9 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 15 May 4:53 am CDT
Extended Forecast for

2 Miles NNE Mapaville MO

  • Today

    Today: A 20 percent chance of showers and thunderstorms before 10am. Mostly sunny, with a high near 86. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers before 4am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 65. South wind around 6 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely before 2pm, then a slight chance of showers and thunderstorms after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. South wind around 6 mph. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 63. South wind 3 to 5 mph.

    Low: 63 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 91. South wind 5 to 10 mph, with gusts as high as 22 mph.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.

    High: 86 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before 10am. Mostly sunny, with a high near 86. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
A slight chance of showers before 4am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 65. South wind around 6 mph. Chance of precipitation is 20%.
Saturday
Showers and thunderstorms likely before 2pm, then a slight chance of showers and thunderstorms after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. South wind around 6 mph. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 63. South wind 3 to 5 mph.
Sunday
Sunny, with a high near 91. South wind 5 to 10 mph, with gusts as high as 22 mph.
Sunday Night
Mostly clear, with a low around 68.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Tuesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Mapaville MO
 38.27°N 90.47°W (Elev. 463 ft)
Last Update:
4:31 am CDT May 15, 2026
Forecast Valid:
5am CDT May 15, 2026-6pm CDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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