BELVIDERE (WREX) — April 21, 1967 is a day many who lived in ... was not the only storm to cause damage in northern Illinois. An F-4 tornado struck Lake Zurich in Lake County, killing one ...

Monday marks the 58th anniversary of Northern Illinois’ worst tornado outbreaks. On April 21, 1967, at least 10 tornadoes, including three powerful F-4 twisters, raked across Belvidere ...

BELVIDERE, Illinois (WREX) — April 21, 1967 is a day many who lived in the Belvidere area remember all too well when a violent F-4 tornado carved a destructive path through the City of Murals.