A Flood Watch is in effect in Chicago, as severe storms are expected to hit the area by the afternoon. Torrential downpours in Chicago could bring rain rates of one to two inches per hour. Some cells may follow one another, increasing a localized flash flood threat.

A slow-moving cold front is expected to stall out over the Chicago area, bringing relief from the heat and rounds of showers and thunderstorms.

A round of storms bringing heavy rainfall prompted a flash flood warning in the Chicago area. Another round of storms tonight could exacerbate flooding problems.