Hazardous Weather Conditions

Current conditions at

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

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

Mostly Cloudy

83°F

28°C

Humidity 48%
Wind Speed S 9 G 22 mph
Barometer 29.90 in (1011.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 3 Apr 4:54 pm CDT
Detailed forecast for

Jefferson County

Tonight
Mostly cloudy. A chance of showers and thunderstorms this evening, then showers with thunderstorms likely after midnight. Lows in the mid 50s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
Saturday
Mostly cloudy. Showers with a chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Much cooler. Less humid with highs in the lower 60s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
Saturday Night
Partly cloudy in the evening, then becoming mostly clear. Much cooler with lows in the upper 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Sunday
Sunny. Highs around 60. Northwest winds 5 to 10 mph with gusts up to 20 mph.
Sunday Night
Clear. Lows in the upper 30s. West winds around 5 mph.
Monday
Sunny. Highs in the mid 60s.
Monday Night
Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the upper 30s. Chance of rain 20 percent.
Tuesday
Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 50s.
Tuesday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 40.
Wednesday
Partly sunny. Not as cool with highs in the lower 70s.
Wednesday Night
Mostly clear. Not as cool with lows in the lower 50s.
Thursday And Thursday Night
Partly cloudy. A slight chance of showers and thunderstorms. Highs in the mid 70s. Lows in the mid 50s. Chance of rain 20 percent.
Friday
Mostly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 40 percent.



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448 PM CDT Fri Apr 3 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database