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

54°F

12°C

Humidity 72%
Wind Speed S 9 mph
Barometer 29.85 in (1010.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 9 Mar 7:54 am CDT
Extended Forecast for

2 Miles SSW Defiance MO

  • Today

    Today: Sunny, with a high near 82. South wind 7 to 13 mph, with gusts as high as 24 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Southwest wind around 6 mph.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers, mainly after 4pm. Increasing clouds, with a high near 83. South wind 5 to 11 mph, with gusts as high as 23 mph.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 53. South wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    Low: 53 °F

    Showers
    Likely then
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Temperature rising to near 62 by 10am, then falling to around 50 during the remainder of the day. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%.

    High: 62 °F⇓

    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 82. South wind 7 to 13 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 60. Southwest wind around 6 mph.
Tuesday
A 50 percent chance of showers, mainly after 4pm. Increasing clouds, with a high near 83. South wind 5 to 11 mph, with gusts as high as 23 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 53. South wind 8 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm. Temperature rising to near 62 by 10am, then falling to around 50 during the remainder of the day. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly cloudy, with a low around 45.
Friday
Partly sunny, with a high near 65.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 49.
Sunday
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 70.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Defiance MO
 38.61°N 90.8°W (Elev. 554 ft)
Last Update:
6:51 am CDT Mar 9, 2026
Forecast Valid:
8am CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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