Severe Thunderstorm Warning until 04:30PM 
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for... Northwestern La Salle County in north central Illinois... Southeastern Lee County in north central Illinois... De Kalb County in north central Illinois...
* Until 430 PM CDT.
* At 317 PM CDT, severe thunderstorms were located along a line extending from 7 miles southeast of Ashton to near Granville, moving northeast at 40 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include... DeKalb, Sycamore, Peru, La Salle, Sandwich, Mendota, Shabbona, Lake Holiday, Cortland, Oglesby, Hinckley, Somonauk, Earlville, Waterman, North Utica, Maple Park, Malta, Leland, Paw Paw and Lee. Including the following interstates... I-39 between mile markers 53 and 94. I-80 between mile markers 74 and 83. I-88 between mile markers 83 and 101. This includes... Northern Illinois University, Sandwich Fairgrounds, Illinois Valley Community College, and Tri-County Fairgrounds.
* AFFECTED AREAS: DE KALB, IL ... LA SALLE, IL ... LEE, IL
Instructions:
For your protection move to an interior room on the lowest floor of a building.
Address/Location
City of Ottawa IL
301 W Lafayette St
Ottawa, IL 61350
Contact
Emergency: 9-1-1
Non-emergencies: 815-433-2131