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

94°F

34°C

Humidity 44%
Wind Speed SW 8 mph
Barometer 29.90 in (1011.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 24 Jun 2:54 pm 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

  • Tonight

    Tonight: Mostly clear, with a low around 79. South wind around 7 mph.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 109. West wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 100 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly after 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 72. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Heavy Rain

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 1pm. Some of the storms could produce heavy rainfall. Mostly cloudy, then gradually becoming sunny, with a high near 87. North wind 5 to 7 mph. Chance of precipitation is 60%.

    High: 87 °F

    Heavy Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 66. North wind 3 to 7 mph.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Thursday Night

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

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 95.

    High: 95 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78.

    Low: 78 °F

    Partly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 79. South wind around 7 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 109. West wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Showers and thunderstorms likely, mainly after 4am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 72. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely, mainly before 1pm. Some of the storms could produce heavy rainfall. Mostly cloudy, then gradually becoming sunny, with a high near 87. North wind 5 to 7 mph. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 66. North wind 3 to 7 mph.
Thursday
Sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 70.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 95.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 66.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
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:
2:07 pm CDT Jun 24, 2024
Forecast Valid:
3pm CDT Jun 24, 2024-6pm CDT Jul 1, 2024
 
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