A frontal boundary is stalled out across the Midwest and Central Plains, leading to a multi-day flood threat. Cities like Chicago need to be prepared.

Significant flash flooding is possible in some cities.

Areas across the Midwest, including Chicago, are under a Level 3 out of 4 flash flood threat. Severe storms are sweeping ...

Up to 7.5 inches of rain has already fallen—and NOAA's map shows the threat isn't over.

Rounds of severe storms and heavy downpours continue on Wednesday, targeting the Ohio Valley and the Midwest, bringing threats of damaging winds and hail, alongside a persistent risk of flash flooding ...