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

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

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

67°F

19°C

Humidity 79%
Wind Speed Calm
Barometer 30.14 in (1019.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 23 Jul 10:54 pm CDT
Extended Forecast for

Spirit Of St. Louis Airport MO

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Light east wind.

    Low: 60 °F

    Partly Cloudy

  • Friday

    Friday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 77. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 65. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms before 11am. Partly sunny, with a high near 88. Heat index values as high as 100. Light and variable wind becoming southwest 5 to 7 mph in the morning.

    High: 88 °F

    Chance
    T-storms then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 72. Light and variable wind.

    Low: 72 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 60. Light east wind.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 77. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely, mainly before 1am, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a low around 65. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms before 11am. Partly sunny, with a high near 88. Heat index values as high as 100. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Saturday Night
Partly cloudy, with a low around 72. Light and variable wind.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny and hot, with a high near 98.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spirit Of St. Louis Airport MO
 38.65°N 90.66°W (Elev. 482 ft)
Last Update:
10:46 pm CDT Jul 23, 2026
Forecast Valid:
11pm CDT Jul 23, 2026-6pm CDT Jul 30, 2026
 
Forecast Discussion
 
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Additional Resources

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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