Headline:
Severe Thunderstorm Warning issued June 11 at 8:42AM CDT until June 11 at 9:30AM CDT by NWS Quad Cities IA IL
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
June 11, 2026 - 6:42am
Expires:
June 11, 2026 - 7:30am
Description:
At 841 AM CDT, severe thunderstorms were located along a line
extending from near Lake Iowa Park to near Talleyrand, moving
northeast at 70 mph.
THESE ARE DESTRUCTIVE STORMS FOR SIGOURNEY, NORTH ENGLISH,
PARNELL, WELLMAN, COSGROVE AND IOWA CITY.
HAZARD...80 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be heavily damaged. Expect
considerable damage to roofs, windows, and vehicles.
Extensive tree damage and power outages are likely.
Locations impacted include...
Iowa City, Sigourney, Coralville, North Liberty, Williamsburg,
Kalona, Solon, Tiffin, Wellman, University Heights, North English,
Riverside, Oxford, Hedrick, Hills, What Cheer, Delta, Keswick, South
English, and Parnell.
This includes the following highways...
Interstate 80 in Iowa between mile markers 216 and 253.
Interstate 380 between mile markers 1 and 9.
Instruction:
A Tornado Watch remains in effect until 300 PM CDT for southeastern
and east central Iowa.
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.
This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. These storms have the potential to cause
serious injury and significant property damage.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
the Quad Cities.
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.
Area Description:
Iowa, IA; Johnson, IA; Keokuk, IA; Washington, IA
Forcast Office:
NWS Quad Cities IA IL
Sender:
w-nws.webmaster@noaa.gov