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Current conditions at
St. Louis, Spirit Of St. Louis Airport (KSUS)
Lat: 38.66°NLon: 90.66°WElev: 463ft.
Fair
72°F
22°C
| Humidity | 87% |
| Wind Speed | W 10 mph |
| Barometer | 29.69 in (1004.5 mb) |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 18 Jun 4:54 am CDT |
Extended Forecast for
Chesterfield MO
Today
High: 78 °F
Mostly Sunny
then Slight
Chance
ShowersTonight
Low: 59 °F
Partly Cloudy
then Patchy
FogJuneteenth
High: 85 °F
Patchy Fog
then Mostly
SunnyFriday Night

Low: 65 °F
Mostly Cloudy
Saturday

High: 86 °F
Mostly Sunny
Saturday Night
Low: 68 °F
Partly Cloudy
then Chance
T-stormsSunday

High: 84 °F
Showers
Sunday Night

Low: 62 °F
Showers
Monday

High: 77 °F
Partly Sunny
Detailed Forecast
Today
A 20 percent chance of showers after noon. Increasing clouds, with a high near 78. Northwest wind 3 to 8 mph.
Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.
Juneteenth
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 85. Calm wind.
Friday Night
Mostly cloudy, with a low around 65. Calm wind.
Saturday
Mostly sunny, with a high near 86. Light south wind.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68.
Sunday
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 62. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Mostly sunny, with a high near 84.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Chesterfield MO
38.67°N 90.57°W (Elev. 446 ft)
38.67°N 90.57°W (Elev. 446 ft)
4:56 am CDT Jun 18, 2026
5am CDT Jun 18, 2026-6pm CDT Jun 24, 2026


