Severe Thunderstorm Warning until 11:45PM Sunday 
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for... Kendall County in northeastern Illinois... Northern La Salle County in north central Illinois... Southern De Kalb County in north central Illinois... Northern Grundy County in northeastern Illinois... Southwestern Kane County in northeastern Illinois...
* Until 1145 PM CDT.
* At 1050 PM CDT, a severe thunderstorm was located near Mendota, moving east at 40 mph. More severe storms were moving across southern DeKalb County into Kendall County. HAZARD...70 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect considerable tree damage. Wind damage is also likely to mobile homes, roofs, and outbuildings.
* Locations impacted include... Aurora, Joliet, Plainfield, Oswego, Ottawa, Yorkville, Morris, Channahon, Minooka, Plano, Sandwich, Mendota, Sheridan, Montgomery, Boulder Hill, Lake Holiday, Somonauk, Earlville, Serena and Newark. Including the following interstates... I-39 between mile markers 61 and 77. I-80 between mile markers 113 and 122. This includes... Sandwich Fairgrounds, Grundy County Speedway and Fairgrounds, and Tri-County Fairgrounds.
* AFFECTED AREAS: DE KALB, IL ... GRUNDY, IL ... KANE, IL ... KENDALL, IL ... LA SALLE, IL
Instructions:
For your protection move to an interior room on the lowest floor of a building.
Address/Location
Grundy County IL Emergency Management Agency
1320 Union St
Morris, IL 60450
Contact
Emergency: 9-1-1
Non-emergencies: 815-941-3212