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.

Fair

29°F

-2°C

Humidity 78%
Wind Speed Calm
Barometer 30.05 in (1018.0 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 21 Mar 3:54 am CDT
Extended Forecast for

Spirit Of St. Louis Airport MO

Red Flag Warning March 21, 12:00pm until March 21, 07:00pm
Click here for hazard details and duration
Red Flag Warning

  • Today

    Today: Partly sunny, with a high near 68. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 68 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 36. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 64. Northwest wind around 5 mph becoming calm.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers, then showers and possibly a thunderstorm after 1am. Low around 45. Southeast wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    Low: 45 °F

    Chance
    Showers then
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 66. South wind 11 to 16 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%.

    High: 66 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 68. Breezy, with a south wind 7 to 12 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph.
Tonight
Mostly clear, with a low around 36. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 64. Northwest wind around 5 mph becoming calm.
Saturday Night
A chance of showers, then showers and possibly a thunderstorm after 1am. Low around 45. Southeast wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 66. South wind 11 to 16 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 70%.
Sunday Night
Mostly clear, with a low around 39.
Monday
Sunny, with a high near 61.
Monday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 65.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 42.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 68.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Spirit Of St. Louis Airport MO
 38.65°N 90.66°W (Elev. 482 ft)
Last Update:
3:06 am CDT Mar 21, 2025
Forecast Valid:
4am CDT Mar 21, 2025-6pm CDT Mar 27, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation