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.

Partly Cloudy

85°F

29°C

Humidity 61%
Wind Speed NE 7 mph
Barometer 30.00 in (1015.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 14 Jul 4:54 pm CDT
Extended Forecast for

Spirit Of St. Louis Airport MO

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 71. East wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly after noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.

    High: 87 °F

    Chance
    T-storms and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72. Light south wind.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southwest wind 3 to 6 mph.

    Low: 74 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

    Low: 72 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 71. East wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly after noon. Patchy fog before 8am. Otherwise, partly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 72. Light south wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming southwest 5 to 7 mph in the morning.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southwest wind 3 to 6 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 92.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 71.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 89.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Spirit Of St. Louis Airport MO
 38.68°N 90.66°W (Elev. 446 ft)
Last Update:
5:21 pm CDT Jul 14, 2025
Forecast Valid:
5pm CDT Jul 14, 2025-6pm CDT Jul 21, 2025
 
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