Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
A Few Clouds
64°F
18°C
| Humidity | 48% |
| Wind Speed | S 12 mph |
| Barometer | 30.05 in (1016.9 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 30 Mar 12:51 am CDT |
Extended Forecast for
Florissant MO
Overnight

Low: 59 °F
Mostly Clear
Monday

High: 85 °F
Sunny
Monday Night

Low: 65 °F
Partly Cloudy
Tuesday

High: 86 °F
Chance
T-stormsTuesday Night

Low: 57 °F
Rain
Wednesday

High: 67 °F
Rain
Wednesday Night

Low: 52 °F
Rain
Thursday

High: 66 °F
Rain
Thursday Night

Low: 49 °F
Rain Likely
Detailed Forecast
Overnight
Mostly clear, with a low around 59. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 85. Southwest wind 10 to 15 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 65. South wind around 14 mph, with gusts as high as 23 mph.
Tuesday
A slight chance of rain, then a chance of rain and thunderstorms after 10am. Mostly sunny, with a high near 86. Southwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 57. Southwest wind around 11 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm. High near 67. Chance of precipitation is 80%.
Wednesday Night
Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 90%.
Thursday
Rain. High near 66. Chance of precipitation is 80%.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 74.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 57.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Saturday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 61.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Florissant MO
38.8°N 90.31°W (Elev. 525 ft)
38.8°N 90.31°W (Elev. 525 ft)
10:41 pm CDT Mar 29, 2026
1am CDT Mar 30, 2026-6pm CDT Apr 5, 2026


