Headline:
Severe Thunderstorm Warning issued August 11 at 10:06AM CDT until August 11 at 11:00AM CDT by NWS Chicago IL
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
August 11, 2026 - 8:06am
Expires:
August 11, 2026 - 9:00am
Description:
At 1005 AM CDT, severe thunderstorms were located along a line
extending from near Sandwich to near Serena to 7 miles north of
Ottawa to near Wenona, moving east at 55 mph. This line of storms
has a history of producing wind damage.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Ottawa, Yorkville, Streator, Plano, Sandwich, Marseilles, South
Streator, Newark, Grand Ridge, Oswego, Montgomery, Seneca, Morris,
Boulder Hill, Joliet, Plainfield, Mazon, Channahon, Minooka,
Dwight, Coal City, Diamond, Gardner and Braceville.
Instruction:
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
Prepare immediately for damaging winds and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.
Area Description:
Grundy, IL; Kendall, IL; La Salle, IL; Livingston, IL
Forcast Office:
NWS Chicago IL
Sender:
w-nws.webmaster@noaa.gov