Hazardous Weather Conditions
Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Thunderstorm Heavy Rain Fog/Mist
60°F
16°C
| Humidity | 93% |
| Wind Speed | W 9 mph |
| Barometer | 29.69 in (1004.8 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 1.75 mi |
| Last update | 11 Mar 3:54 am CDT |
Extended Forecast for
Chesterfield MO
Overnight

Low: 67 °F
T-storms
Wednesday
High: 63 °F⇓
T-storms then
Rain LikelyWednesday Night

Low: 32 °F
Gradual
ClearingThursday

High: 57 °F
Sunny
Thursday Night
Low: 45 °F
Partly Cloudy
then Partly
Cloudy and
BreezyFriday

High: 62 °F
Partly Sunny
Friday Night

Low: 38 °F
Partly Cloudy
Saturday

High: 67 °F
Mostly Sunny
Saturday Night
Low: 52 °F
Mostly Cloudy
then Slight
Chance
T-storms
Detailed Forecast
Overnight
Rain and possibly a thunderstorm. Steady temperature around 67. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm before 1pm, then a chance of rain between 1pm and 3pm. Temperature falling to around 48 by 3pm. Southwest wind 10 to 17 mph becoming northwest in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 80%.
Wednesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 32. Northwest wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 57. Calm wind becoming southwest 5 to 9 mph in the morning.
Thursday Night
Partly cloudy, with a low around 45. Breezy, with a south wind 10 to 20 mph, with gusts as high as 31 mph.
Friday
Partly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 52.
Sunday
Rain likely and possibly a thunderstorm, then rain after 1pm. High near 67. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Partly cloudy, with a low around 24. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 45.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Chesterfield MO
38.65°N 90.6°W (Elev. 466 ft)
38.65°N 90.6°W (Elev. 466 ft)
3:01 am CDT Mar 11, 2026
4am CDT Mar 11, 2026-6pm CDT Mar 17, 2026



