NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment
After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >
Hazardous Weather Conditions
Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
Thunderstorm Light Rain
67°F
19°C
| Humidity | 87% |
| Wind Speed | S 9 mph |
| Barometer | 29.94 in (1012.9 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 7.00 mi |
| Last update | 16 May 8:51 am CDT |
Extended Forecast for
Florissant MO
Today
High: 84 °F
Showers
Tonight
Low: 66 °F
Slight Chance
T-storms then
Partly CloudySunday
High: 90 °F
Sunny
Sunday Night
Low: 71 °F
Partly Cloudy
Monday
High: 90 °F
Slight Chance
T-storms then
Chance
T-stormsMonday Night
Low: 71 °F
Chance
T-stormsTuesday
High: 87 °F
Showers
Tuesday Night
Low: 60 °F
Showers
LikelyWednesday
High: 73 °F
Slight Chance
Showers
Detailed Forecast
Today
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 84. South wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 66. Southeast wind around 8 mph.
Sunday
Sunny, with a high near 90. South wind 9 to 16 mph, with gusts as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 71. South wind 13 to 15 mph, with gusts as high as 23 mph.
Monday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 90. South wind 14 to 17 mph, with gusts as high as 29 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
Showers and possibly a thunderstorm. High near 87. Chance of precipitation is 80%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 73.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 73.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 78.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Florissant MO
38.8°N 90.34°W (Elev. 499 ft)
38.8°N 90.34°W (Elev. 499 ft)
8:41 am CDT May 16, 2026
9am CDT May 16, 2026-6pm CDT May 22, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
