Headline:
Severe Thunderstorm Warning issued August 11 at 7:54AM CDT until August 11 at 8:30AM CDT by NWS Quad Cities IA IL
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
August 11, 2026 - 5:54am
Expires:
August 11, 2026 - 6:30am
Description:
At 753 AM CDT, severe thunderstorms were located along a line
extending from Holy Cross to Cascade to near Langworthy, moving east
at 60 mph.
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...
Dyersville, Monticello, Cascade, Edgewood, Earlville, Colesburg,
Greeley, Onslow, Center Junction, Jones County Fairgrounds, Pictured
Rocks Wildlife Area, Twin Bridges Park, Camp Courageous, Petersburg,
Scotch Grove, Temple Hill, and Monticello Municipal Airport.
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.
For your protection move to an interior room on the lowest floor of a
sturdy building.
Continuous cloud to ground lightning is occurring with these storms.
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.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
Area Description:
Delaware, IA; Jones, IA
Forcast Office:
NWS Quad Cities IA IL
Sender:
w-nws.webmaster@noaa.gov