Detailed Forecast. This Afternoon. Mostly sunny and hot, with a high near 102. Heat index values as high as 108. Southwest wind around 14 mph, with gusts as high as 23 mph. Tonight. A 50 percent chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 74.
https://forecast.weather.gov/zipcity.php?inputstring=Florissant,MO

