Current conditions at

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

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

Fair

38°F

3°C

Humidity 27%
Wind Speed Vrbl 5 mph
Barometer 30.30 in (1026.8 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 22 Jan 12:54 pm CST
Detailed forecast for

Jefferson County

This Afternoon
Sunny, cooler. Near steady temperature in the upper 30s. Northwest winds around 5 mph.
Tonight
Mostly clear in the evening, then becoming partly cloudy. Cooler with lows around 11. North winds around 5 mph, increasing to 10 to 15 mph with gusts up to 25 mph after midnight. Wind chill values as low as 3 above after midnight.
Friday
Partly sunny and much cooler. Near steady temperature around 13. North winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 6 below in the morning.
Friday Night
Mostly cloudy. A chance of snow after midnight. Cold with lows around 4 above. Northeast winds around 10 mph with gusts up to 20 mph. Chance of snow 40 percent. Wind chill values as low as 10 below.
Saturday
Snow. Light snow accumulation. Highs around 12. Northeast winds 5 to 10 mph. Chance of snow near 100 percent. Wind chill values as low as 9 below in the morning.
Saturday Night
Snow. Additional moderate snow accumulation. Near steady temperature around 10 above. Chance of snow 90 percent. Wind chill values as low as 5 below.
Sunday
Cloudy. Snow likely, mainly in the morning. Additional light snow accumulation possible. Highs 15 to 20. Chance of snow 70 percent. Wind chill values as low as 5 below.
Sunday Night
Mostly cloudy with a slight chance of snow in the evening, then partly cloudy after midnight. Cold with lows around zero. Chance of snow 20 percent. Wind chill values as low as 15 below after midnight.
Monday And Monday Night
Mostly clear. Highs around 20. Lows 5 to 10 above. Wind chill values as low as 15 below.
Tuesday
Sunny. Not as cool with highs in the mid 30s.
Tuesday Night And Wednesday
Mostly cloudy. Lows 10 to 15. Highs in the upper 20s.



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118 PM CST Thu Jan 22 2026
 
 

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