Strong thunderstorms are sweeping through the Chicago area Tuesday afternoon, evening and into Wednesday, sparking possible tornadoes and causing damage.

Much of Cook County, including Chicago, Aurora and Naperville will see an "enhanced" risk of severe weather, which ranks as level three of five. All weather hazards are on the table in those parts, the NBC 5 Storm Team said, including 70 mph winds flooding and tornadoes in addition to large hail

Dense fog keeps temperatures cool today before storms arrive Friday and quieter weather returns for the weekend.

Expert researchers and scientists are now working directly with local Chicago-area communities to address extreme weather and mitigate the damage it can cause.

The storms could produce damaging gusts, large hail and a few strong tornadoes.

A severe weather system making its way across the US spawned powerful tornadoes on Tuesday that flattened homes and downed trees and power lines in terrifying scenes

Two rounds of storms are hitting the Chicago area on Friday. Here's what you can expect.