Severe Thunderstorm Warning until 06:00PM 
The National Weather Service in Chicago has issued a
* Severe Thunderstorm Warning for... Northern La Salle County in north central Illinois... Southeastern Lee County in north central Illinois... Southern De Kalb County in north central Illinois...
* Until 600 PM CDT.
* At 454 PM CDT, a severe thunderstorm was located near La Moille, or 10 miles southwest of Mendota, moving northeast at 50 mph. Another severe thunderstorm was located near Earlville and also tracking northeast. HAZARD...60 mph wind gusts and half dollar size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
* Locations impacted include... Peru, La Salle, Sandwich, Mendota, Sheridan, Shabbona, Lake Holiday, Hinckley, Somonauk, Earlville, Waterman, Serena, Leland, Paw Paw, Sublette, Millington, Lee, Compton, Troy Grove and West Brooklyn. Including the following interstates... I-39 between mile markers 60 and 88. I-80 between mile markers 73 and 78. This includes... Sandwich Fairgrounds 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. Large hail and damaging winds and continuous cloud to ground lightning is occurring with this storm. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. A Tornado Watch remains in effect until 800 PM CDT for north central and northeastern Illinois.
Address/Location
City of Ottawa IL
301 W Lafayette St
Ottawa, IL 61350
Contact
Emergency: 9-1-1
Non-emergencies: 815-433-2131