The National Weather Service in Des Moines says a stronger storm system will arrive later this (Wednesday) afternoon and tonight across the region. This will lead to several periods of thunderstorms today and this evening and again overnight and Thursday. The combination of repeated rainfall may lead to additional flooding across the region especially over areas that have already seen heavy rainfall the past several days. In addition severe weather is a possibility as this stronger system moves northeast across Iowa tonight and Thursday. Monitor forecasts for the latest updates on this upcoming storm system.