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.

Fog/Mist

27°F

-3°C

Humidity 96%
Wind Speed Calm
Barometer 29.97 in (1015.7 mb)
Dewpoint 26°F (-3°C)
Visibility 5.00 mi
Last update 6 Dec 7:54 am CST
Extended Forecast for

Spirit Of St. Louis Airport MO

  • Today

    Today: Mostly sunny, with a high near 45. Calm wind becoming east around 5 mph in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of rain before 2am, then a slight chance of rain after 5am. Mostly cloudy, with a low around 36. East wind around 6 mph becoming southwest after midnight. Chance of precipitation is 20%.

    Low: 36 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 20 percent chance of rain before noon. Mostly cloudy, with a temperature rising to near 38 by 11am, then falling to around 31 during the remainder of the day. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 38 °F⇓

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16. North wind 5 to 8 mph becoming calm after midnight.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 33. Light and variable wind.

    High: 33 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 45. Calm wind becoming east around 5 mph in the afternoon.
Tonight
A slight chance of rain before 2am, then a slight chance of rain after 5am. Mostly cloudy, with a low around 36. East wind around 6 mph becoming southwest after midnight. Chance of precipitation is 20%.
Sunday
A 20 percent chance of rain before noon. Mostly cloudy, with a temperature rising to near 38 by 11am, then falling to around 31 during the remainder of the day. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 16. North wind 5 to 8 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 33. Light and variable wind.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
A slight chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 30.
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Forecast Area
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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:
8:16 am CST Dec 6, 2025
Forecast Valid:
8am CST Dec 6, 2025-6pm CST Dec 12, 2025
 
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