Severe Thunderstorm Warning until 04:15PM 
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for... East central La Salle County in north central Illinois... Southwestern Grundy County in northeastern Illinois...
* Until 415 PM CDT.
* At 326 PM CDT, a severe thunderstorm was located near Grand Ridge, or 7 miles northeast of Streator, moving northeast at 15 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
* Locations impacted include... Marseilles, Seneca, Mazon, Grand Ridge, Ransom, Verona and Kinsman. Including the following interstates... I-55 near mile marker 222. I-80 between mile markers 106 and 107.
* AFFECTED AREAS: GRUNDY, IL ... LA SALLE, IL
Instructions:
For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Address/Location
City of Ottawa IL
301 W Lafayette St
Ottawa, IL 61350
Contact
Emergency: 9-1-1
Non-emergencies: 815-433-2131