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

2 Miles SSW Lake St. Louis 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 100. Heat index values as high as 108. West wind around 11 mph, with gusts as high as 21 mph.

    High: 100 °F

    Hot

  • Tonight

    Tonight: Showers and thunderstorms, mainly after 1am. Low around 71. South wind 5 to 7 mph becoming northeast in the evening. Chance of precipitation is 80%.

    Low: 71 °F

    Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 9am. High near 86. Southeast wind 6 to 10 mph becoming northwest in the morning. Chance of precipitation is 80%.

    High: 86 °F

    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. North wind 5 to 8 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.

    High: 93 °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 76.

    Low: 76 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.

    High: 94 °F

    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny and hot, with a high near 100. Heat index values as high as 108. West wind around 11 mph, with gusts as high as 21 mph.
Tonight
Showers and thunderstorms, mainly after 1am. Low around 71. South wind 5 to 7 mph becoming northeast in the evening. Chance of precipitation is 80%.
Wednesday
Showers and thunderstorms, mainly before 9am. High near 86. Southeast wind 6 to 10 mph becoming northwest in the morning. Chance of precipitation is 80%.
Wednesday Night
Mostly clear, with a low around 64. North wind 5 to 8 mph becoming calm in the evening.
Thursday
Sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 69.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 93.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 76.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 65.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Lake St. Louis MO
 38.77°N 90.79°W (Elev. 600 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