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

31°C

88°F

Humidity 30%
Wind Speed E 19 km/h
Barometer 1016.9 mb (30.04 in)
Dewpoint 12°C (53°F)
Visibility 16 km
Heat Index30°C (86°F)
Last update 15 Jun 10:53 am CDT
Extended Forecast for

Affton MO

  • Today

    Today: Sunny, with a high near 33. Southeast wind 11 to 13 km/h.

    High: 33 °C

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 22. Southeast wind 8 to 14 km/h.

    Low: 22 °C

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 37. Heat index values as high as 40. South wind 10 to 18 km/h.

    High: 37 °C

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. South wind 8 to 13 km/h.

    Low: 24 °C

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 36. South wind 10 to 18 km/h, with gusts as high as 37 km/h.

    High: 36 °C

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 23.

    Low: 23 °C

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 32.

    High: 32 °C

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23.

    Low: 23 °C

    Partly Cloudy

  • Juneteenth

    Juneteenth: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 34. Chance of precipitation is 30%.

    High: 34 °C

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 33. Southeast wind 11 to 13 km/h.
Tonight
Mostly clear, with a low around 22. Southeast wind 8 to 14 km/h.
Sunday
Mostly sunny and hot, with a high near 37. Heat index values as high as 40. South wind 10 to 18 km/h.
Sunday Night
Mostly clear, with a low around 24. South wind 8 to 13 km/h.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 36. South wind 10 to 18 km/h, with gusts as high as 37 km/h.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 23.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 23.
Juneteenth
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 34. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 23.
Friday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
Affton MO
 38.56°N 90.32°W (Elev. 564 m)
Last Update:
8:22 am CDT Jun 15, 2024
Forecast Valid:
11am CDT Jun 15, 2024-6pm CDT Jun 21, 2024
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation