2 tornadoes touched down in Chicago on Sunday, one in west suburbs, NWS says CBS NewsChicago weather: Storms topple trees, power lines across area; NWS confirms 3 tornadoes WLS-TVWATCH: Tornado warnings sound in FOX 32 newsroom FOX 32 ChicagoMonday night: Watches, warnings in effect across Chicagoland WGN TV Chicago‘Dozens of circulations’ reported as Chicago-area storms spark ‘multiple tornadoes at the same time’ NBC Chicago