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Home Return to list Severe Thunderstorm Warning 0237 Issued by the Davenport / Quad Cities Forecast Office
Action: New Issued At: 2026-08-07 18:39:32
667
WUUS53 KDVN 072339
SVRDVN
IAC095-080030-
/O.NEW.KDVN.SV.W.0237.260807T2339Z-260808T0030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Quad Cities IA/IL
639 PM CDT Fri Aug 7 2026
The National Weather Service in the Quad Cities has issued a
* Severe Thunderstorm Warning for...
Western Iowa County in east central Iowa...
* Until 730 PM CDT.
* At 638 PM CDT, a severe thunderstorm was located over Victor, or 11
miles southwest of Marengo, moving southeast at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Williamsburg, Victor, Ladora, Millersburg, Genoa Bluff, and Lake
Iowa Park.
This includes Interstate 80 in Iowa between mile markers 205 and 220.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
LAT...LON 4181 9230 4184 9227 4166 9194 4151 9219
4151 9228 4154 9230
TIME...MOT...LOC 2338Z 310DEG 25KT 4172 9227
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Ervin
Action: Continued Issued At: 2026-08-07 18:52:39
089
WWUS53 KDVN 072352
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
652 PM CDT Fri Aug 7 2026
IAC095-080030-
/O.CON.KDVN.SV.W.0237.000000T0000Z-260808T0030Z/
Iowa IA-
652 PM CDT Fri Aug 7 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR SOUTHWESTERN IOWA COUNTY...
At 652 PM CDT, a severe thunderstorm was located over Lake Iowa Park,
or 13 miles southwest of Marengo, moving southeast at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Williamsburg, Victor, Ladora, Millersburg, Genoa Bluff, and Lake Iowa
Park.
This includes Interstate 80 in Iowa between mile markers 205 and 220.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
sturdy building.
&&
LAT...LON 4181 9230 4176 9217 4166 9194 4151 9219
4151 9228 4154 9230
TIME...MOT...LOC 2352Z 296DEG 25KT 4162 9219
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Ervin
Action: Continued Issued At: 2026-08-07 18:56:03
173
WWUS53 KDVN 072355
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
655 PM CDT Fri Aug 7 2026
IAC095-080030-
/O.CON.KDVN.SV.W.0237.000000T0000Z-260808T0030Z/
Iowa IA-
655 PM CDT Fri Aug 7 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR SOUTHWESTERN IOWA COUNTY...
At 655 PM CDT, a severe thunderstorm was located over Lake Iowa Park,
or 13 miles south of Marengo, moving southeast at 30 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Victor, Millersburg, and Lake Iowa Park.
This includes Interstate 80 in Iowa between mile markers 205 and 213.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
LAT...LON 4174 9230 4171 9215 4162 9200 4151 9219
4151 9228 4154 9230
TIME...MOT...LOC 2355Z 296DEG 25KT 4161 9216
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Ervin
Action: Continued Issued At: 2026-08-07 19:08:04
589
WWUS53 KDVN 080007
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
707 PM CDT Fri Aug 7 2026
IAC095-080030-
/O.CON.KDVN.SV.W.0237.000000T0000Z-260808T0030Z/
Iowa IA-
707 PM CDT Fri Aug 7 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR SOUTHWESTERN IOWA COUNTY...
At 707 PM CDT, a severe thunderstorm was located over North English,
or 16 miles northeast of Sigourney, moving southeast at 30 mph.
THIS IS A DESTRUCTIVE STORM FOR near Millersburg, Iowa.
HAZARD...Baseball size hail and 70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be severely injured.
Expect shattered windows, extensive damage to roofs,
siding, and vehicles.
Locations impacted include...
Millersburg.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
sturdy building.
&&
LAT...LON 4157 9224 4165 9205 4162 9200 4151 9219
4151 9228 4154 9230
TIME...MOT...LOC 0007Z 310DEG 25KT 4155 9207
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Ervin
Action: Cancelled Issued At: 2026-08-07 19:17:34
983
WWUS53 KDVN 080017
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
717 PM CDT Fri Aug 7 2026
IAC095-080026-
/O.CAN.KDVN.SV.W.0237.000000T0000Z-260808T0030Z/
Iowa IA-
717 PM CDT Fri Aug 7 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN IOWA COUNTY IS
CANCELLED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
east central Iowa.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
the Quad Cities.
Remember, a Severe Thunderstorm Warning still remains in effect for
for southeast Iowa County until 8 PM.
&&
LAT...LON 4157 9224 4165 9205 4162 9200 4151 9219
4151 9228 4154 9230
TIME...MOT...LOC 0015Z 310DEG 25KT 4151 9200
$$
Ervin
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