Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66° N Lon: 90.66° W Elev: 463 ft.

Fair

71°F

22°C

Humidity 63%
Wind Speed Calm
Barometer 30.14 in (1020.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 27 Aug 6:54 pm CDT
Detailed forecast for

Jefferson County

Tonight
Mostly cloudy this evening, then becoming partly cloudy. Lows in the upper 50s. Southeast winds around 5 mph.
Thursday
Partly sunny. Highs in the lower 80s. South winds around 5 mph.
Thursday Night
Mostly clear. Lows in the mid 50s. South winds around 5 mph, becoming west around 5 mph after midnight.
Friday
Sunny. Highs in the mid 80s. Northeast winds around 5 mph.
Friday Night
Mostly clear. Lows in the upper 50s. East winds around 5 mph.
Saturday
Sunny. Highs in the mid 80s.
Saturday Night Through Labor Day
Partly cloudy. Lows in the upper 50s. Highs in the mid 80s.
Monday Night Through Tuesday Night
Mostly clear. Lows in the upper 50s. Highs in the mid 80s.
Wednesday
Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent.



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420 PM CDT Wed Aug 27 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database