National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

93°F

34°C

Humidity 52%
Wind Speed SW 15 G 25 mph
Barometer 29.85 in (1009.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 25 Jun 10:54 am CDT
Extended Forecast for

Chesterfield MO

Heat Advisory June 25, 12:00pm until June 25, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly sunny and hot, with a high near 101. Heat index values as high as 108. West wind around 10 mph, with gusts as high as 20 mph.

    High: 101 °F

    Hot

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly after 1am. Increasing clouds, with a low around 72. South wind 5 to 7 mph becoming north in the evening. Chance of precipitation is 70%.

    Low: 72 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 10am. High near 87. Southeast wind 6 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 80%.

    High: 87 °F

    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. North wind 5 to 8 mph becoming calm after midnight.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Light and variable wind becoming east around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy

  • Friday

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

    High: 94 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 78.

    Low: 78 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.

    High: 95 °F

    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny and hot, with a high near 101. Heat index values as high as 108. West wind around 10 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms likely, mainly after 1am. Increasing clouds, with a low around 72. South wind 5 to 7 mph becoming north in the evening. Chance of precipitation is 70%.
Wednesday
Showers and thunderstorms, mainly before 10am. High near 87. Southeast wind 6 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 80%.
Wednesday Night
Mostly clear, with a low around 66. North wind 5 to 8 mph becoming calm after midnight.
Thursday
Sunny, with a high near 89. Light and variable wind becoming east around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 70.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 94.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 78.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 67.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Chesterfield MO
 38.65°N 90.57°W (Elev. 512 ft)
Last Update:
6:22 am CDT Jun 25, 2024
Forecast Valid:
11am CDT Jun 25, 2024-6pm CDT Jul 1, 2024
 
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