Current conditions at

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

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

Fair

37°F

3°C

Humidity 42%
Wind Speed SW 9 mph
Barometer 30.30 in (1026.9 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 12 Jan 8:54 am CST
Detailed forecast for

Jefferson County

Today
Sunny. Not as cool with highs in the mid 50s. Southwest winds 5 to 10 mph.
Tonight
Mostly clear. Not as cool with lows in the mid 30s. Southwest winds 5 to 10 mph.
Tuesday
Mostly sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 30 mph.
Tuesday Night
Mostly cloudy. A chance of showers in the evening. Lows in the upper 30s. West winds 5 to 10 mph. Chance of rain 30 percent.
Wednesday
Mostly cloudy. Much cooler with highs in the mid 40s. Temperature falling into the mid 30s in the afternoon. Northwest winds 15 to 20 mph with gusts up to 30 mph.
Wednesday Night And Thursday
Partly cloudy. Lows 15 to 20. Highs in the lower 30s.
Thursday Night
Mostly cloudy. Near steady temperature in the upper 20s.
Friday
Mostly sunny in the morning, then mostly cloudy with a slight chance of snow showers in the afternoon. Not as cool with highs in the lower 40s. Chance of snow 20 percent.
Friday Night And Saturday
Mostly cloudy. Lows around 20. Highs in the lower 30s.
Saturday Night
Mostly cloudy in the evening, then becoming partly cloudy. Lows around 10 above. Wind chill values as low as zero.
Sunday
Sunny. Highs in the lower 30s. Wind chill values as low as zero in the morning.



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829 AM CST Mon Jan 12 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database