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

91°F

33°C

Humidity 57%
Wind Speed SW 12 G 21 mph
Barometer 29.97 in (1014.3 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 21 Jun 11:53 am CDT
Extended Forecast for

2 Miles NNE Oakville MO

Extreme Heat Warning June 21, 12:00pm until June 24, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: Sunny and hot, with a high near 97. Heat index values as high as 105. South wind 9 to 13 mph, with gusts as high as 22 mph.

    High: 97 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 76. South wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 97. Heat index values as high as 106. South wind 7 to 10 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. South wind 5 to 7 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. South wind 3 to 6 mph.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.

    High: 94 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 105. South wind 9 to 13 mph, with gusts as high as 22 mph.
Tonight
Clear, with a low around 76. South wind 6 to 10 mph, with gusts as high as 21 mph.
Sunday
Sunny and hot, with a high near 97. Heat index values as high as 106. South wind 7 to 10 mph.
Sunday Night
Mostly clear, with a low around 76. South wind 5 to 7 mph.
Monday
Sunny, with a high near 96. South wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 75.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny, with a high near 95.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNE Oakville MO
 38.47°N 90.3°W (Elev. 541 ft)
Last Update:
9:37 am CDT Jun 21, 2025
Forecast Valid:
11am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
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