Francine did not pose a particularly severe test of the New Orleans region's ability to handle stormwater, but the results were not reassuring.

Bands of rain blow in front of the Caesars Superdome on Wednesday afternoon. Image: Carlie Kollath Wells/Axios The last of Francine moved out of New Orleans early Thursday, and the sun is forecast to return in the afternoon.

For a city that routinely sees flooding, New Orleans residents and business owners were taken aback by the intense rains of Hurricane Francine, which still was at Category 1 strength when it passed over the city Wednesday night.