Chicago Weather: Flash Flood Watch Through Tuesday

CHICAGO (CBS) -- Isolated strong thunderstorms and heavy downpours will persist Monday evening.

It will be muggy overnight with a low of 70.

It will still be unsettled Tuesday with passing showers and storms. The Storm Prediction Center gives us a "marginal" risk for severe storms.

Torrential downpours are likely with any storms that form. There is also the threat that damaging winds could accompany the strongest cells.

We're stuck in this pattern through midweek. Then finally Thursday a front will cross our area and pull drier air our way in time for the holiday weekend.

The high for Tuesday is 83 with warm and humid conditions in addition to the storms. The high for Wednesday is 82.