Flood advisories have been posted for Middlesex. New Haven and New London Counties until 10:30 a.m.
Scattered torrential downpours are expected to continue to lift north across the area with rain falling at a rate of around one inch in a half hour during the heaviest activity.
Excessive runoff is expected to cause flooding of urban areas, highways, streets and underpasses as well as other drainage areas and low-lying spots.
You can watch the interactive radar here.
If you experience severe weather, send your weather photos to photos@nbcconnecticut.com.
To receive weather alerts, text “CTWEATHER” to 622669.