Strong thunderstorms will bring the threat for flooding rains today (Wednesday) into Thursday across the Upper Midwest. Flash Flood Watches include portions of South Dakota, Minnesota, Iowa, and Wisconsin. 3" to 6" rainfall totals are possible by Friday morning.

https://twitter.com/NWSTwinCities/status/1042443422123085824
https://twitter.com/NWSSiouxFalls/status/1042486996093022209
Several waves of storms are likely to push through the region. The first couple of rounds of rain will be associated with a warm front tonight into Thursday morning. Another line of thunderstorms will move through the area along a cold front Thursday night.
Severe thunderstorms will be possible, along with the threat of flooding rains.

For WeatherNation: Meteorologist Mace Michaels