Whiteside County, Illinois — The National Weather Service in the Quad Cities has issued a Severe Thunderstorm Warning for southern Whiteside County, northeastern Henry County and northwestern Bureau County in northwestern Illinois, in effect until 9:30 AM CST.

What is happening:

At 8:51 AM CST, a severe thunderstorm was over Erie, about 12 miles southwest of Morrison, moving east at 35 miles per hour. The storm is carrying 60 mph wind gusts and penny-size hail, as shown on radar. Communities in its path include Rock Falls, Prophetstown, Erie, Tampico, Lyndon, Deer Grove and Fenton, along with Prophetstown State Recreation Area and the Big Bend Fish and Wildlife Area.

Local impacts:

Wind gusts near 60 mph can damage roofs and siding and bring down trees and branches. Penny-size hail can dent vehicles and damage crops and gardens.

What to do:

Move to an interior room on the lowest floor of a sturdy building. Stay away from windows. If you are driving, pull off the road to a safe spot away from trees and power lines and wait for the storm to pass. Do not drive through flooded roads.

Source: National Weather Service, Quad Cities, November 11, 2026.