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.

Thunderstorm in Vicinity Haze

93°F

34°C

Humidity 54%
Wind Speed Vrbl 3 mph
Barometer 29.95 in (1013.2 mb)
Dewpoint 74°F (23°C)
Visibility 6.00 mi
Heat Index103°F (39°C)
Last update 4 Jul 1:54 pm CDT
Extended Forecast for

3 Miles WSW Spirit Of St. Louis Airport MO

Severe T-storm Watch July 4, 01:59pm until July 4, 07:00pm
Extreme Heat Warning July 4, 01:59pm until July 4, 08:00pm
Click here for hazard details and duration
Severe T-storm Watch
Extreme Heat Warning
  •  
    Severe T-storm Watch July 4, 01:59pm until July 4, 07:00pm
    Extreme Heat Warning July 4, 01:59pm until July 4, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Independence Day

    High: 93 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 89. Light and variable wind.

    High: 89 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 69. Light north wind.

    Low: 69 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Independence Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 105. Light west wind.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 71. Calm wind.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, then gradually becoming sunny, with a high near 89. Light and variable wind.
Sunday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 69. Light north wind.
Monday
Mostly sunny, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Thursday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 72. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Spirit Of St. Louis Airport MO
 38.65°N 90.68°W (Elev. 443 ft)
Last Update:
1:46 pm CDT Jul 4, 2026
Forecast Valid:
1pm CDT Jul 4, 2026-6pm CDT Jul 10, 2026
 
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