Current conditions at

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

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

Overcast

18°F

-8°C

Humidity 52%
Wind Speed W 15 G 26 mph
Barometer 30.34 in (1028.8 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 29 Dec 9:54 am CST
Detailed forecast for

Jefferson County

Today
Mostly sunny. Much cooler with highs around 30. Northwest winds 15 to 20 mph with gusts up to 35 mph. Wind chill values as low as 2 above this morning.
Tonight
Mostly clear. Lows around 16. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Tuesday
Mostly sunny. Highs in the upper 30s. West winds around 5 mph.
Tuesday Night
Partly cloudy in the evening, then becoming mostly clear. Not as cool with lows in the upper 20s. West winds around 5 mph.
Wednesday
Mostly sunny. Highs in the mid 40s. West winds 5 to 10 mph.
Wednesday Night And New Years Day
Partly cloudy. Lows in the mid 20s. Highs around 40.
Thursday Night Through Friday Night
Mostly cloudy. Lows in the mid 20s. Highs in the lower 40s.
Saturday Through Sunday
Partly cloudy. Highs in the mid 40s. Lows in the mid 20s.



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839 AM CST Mon Dec 29 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database