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

69°F

21°C

Humidity 73%
Wind Speed E 6 mph
Barometer 30.17 in (1021.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 23 Jul 7:54 am CDT
Extended Forecast for

Spirit Of St. Louis Airport MO

  • Today

    Today: Mostly sunny, with a high near 82. Light northeast wind.

    High: 82 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 80 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Southeast wind 3 to 5 mph. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 89. Light and variable wind becoming southwest around 5 mph.

    High: 89 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    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 97.

    High: 97 °F

    Hot

Detailed Forecast

Today
Mostly sunny, with a high near 82. Light northeast wind.
Tonight
Mostly cloudy, with a low around 64. East wind around 5 mph becoming calm in the evening.
Friday
A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 80. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Southeast wind 3 to 5 mph. Chance of precipitation is 70%.
Saturday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 89. Light and variable wind becoming southwest around 5 mph.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Mostly sunny, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Spirit Of St. Louis Airport MO
 38.65°N 90.63°W (Elev. 495 ft)
Last Update:
5:11 am CDT Jul 23, 2026
Forecast Valid:
8am CDT Jul 23, 2026-6pm CDT Jul 29, 2026
 
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