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Home Return to list Severe Thunderstorm Warning 0258 Issued by the Davenport / Quad Cities Forecast Office
Action: New Issued At: 2026-08-12 06:10:08
718
WUUS53 KDVN 121109
SVRDVN
ILC161-IAC031-045-139-163-121215-
/O.NEW.KDVN.SV.W.0258.260812T1109Z-260812T1215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Quad Cities IA/IL
609 AM CDT Wed Aug 12 2026
The National Weather Service in the Quad Cities has issued a
* Severe Thunderstorm Warning for...
Southwestern Rock Island County in northwestern Illinois...
Cedar County in east central Iowa...
Scott County in east central Iowa...
Muscatine County in east central Iowa...
Southwestern Clinton County in east central Iowa...
* Until 715 AM CDT.
* At 609 AM CDT, severe thunderstorms were located along a line
extending from Mechanicsville to Cedar Valley Park to Nichols,
moving east at 40 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.
* Severe thunderstorms will be near...
Tipton, West Liberty, Atalissa, Rochester, Clarence, Tipton
Matthews Airport, Cedar County Fairgrounds, and Saulsbury Bridge
Campground around 615 AM CDT.
Muscatine, Wilton, and Moscow around 620 AM CDT.
Bennett around 625 AM CDT.
Other locations in the path of these severe thunderstorms include
Durant, Lowden, Sunbury, Sweetland Center, Bennett Park, Wheatland,
Stockton, New Liberty, New Era, Big Rock, Fairport Recreation Area,
Walcott, Calamus, Fairport, Illinois City, Dixon, Midway Beach,
Pleasant Prairie, Sherman Park, Plainview, Wildcat Den State Park,
Blue Grass, Buffalo, Montpelier, Maysville, Loud Thunder Forest
Preserve, Loud Thunder Scout Camp, Clarks Ferry Recreation Area,
Davenport, Andalusia, Grand Mound, Donahue, Edgington and Buffalo
Shores.
This includes the following highways...
Interstate 80 in Iowa between mile markers 254 and 294.
Interstate 280 between mile markers 1 and 10.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 natures 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.
&&
LAT...LON 4189 9136 4188 9053 4165 9057 4133 9067
4134 9137
TIME...MOT...LOC 1109Z 275DEG 34KT 4188 9124 4170 9125 4147 9133
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Gross
Action: Continued Issued At: 2026-08-12 06:24:08
176
WWUS53 KDVN 121123
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
623 AM CDT Wed Aug 12 2026
ILC161-IAC031-045-139-163-121215-
/O.CON.KDVN.SV.W.0258.000000T0000Z-260812T1215Z/
Rock Island IL-Cedar IA-Scott IA-Muscatine IA-Clinton IA-
623 AM CDT Wed Aug 12 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 AM CDT
FOR SOUTHWESTERN ROCK ISLAND...SOUTHEASTERN CEDAR...WESTERN SCOTT...
MUSCATINE AND SOUTHWESTERN CLINTON COUNTIES...
At 623 AM CDT, severe thunderstorms were located along a line
extending from Clarence to near Rochester to near Saulsbury Bridge
Campground, moving east at 40 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...
Muscatine, Durant, Wilton, Bennett, New Liberty, Sunbury,
Sweetland Center, Bennett Park, Wheatland, Stockton, New Era, Big
Rock, Fairport Recreation Area, Walcott, Calamus, Fairport,
Illinois City, Dixon, Midway Beach, Pleasant Prairie, Sherman
Park, Plainview, Wildcat Den State Park, Blue Grass, Buffalo,
Montpelier, Maysville, Loud Thunder Forest Preserve, Loud Thunder
Scout Camp, Clarks Ferry Recreation Area, Davenport, Andalusia,
Grand Mound, Donahue, Edgington, West Lake Park, Buffalo Shores,
Eldridge, DeWitt, Long Grove, Davenport Municipal Airport,
Mississippi Valley Fairgrounds and Taylor Ridge.
This includes the following highways...
Interstate 80 in Iowa between mile markers 263 and 294.
Interstate 280 between mile markers 1 and 10.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 natures 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.
&&
LAT...LON 4187 9116 4182 9056 4165 9057 4137 9066
4138 9123
TIME...MOT...LOC 1123Z 275DEG 34KT 4187 9106 4169 9107 4146 9115
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Gross
Action: Continued Issued At: 2026-08-12 06:35:08
513
WWUS53 KDVN 121135
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
635 AM CDT Wed Aug 12 2026
ILC161-IAC031-045-139-163-121215-
/O.CON.KDVN.SV.W.0258.000000T0000Z-260812T1215Z/
Rock Island IL-Cedar IA-Scott IA-Muscatine IA-Clinton IA-
635 AM CDT Wed Aug 12 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 AM CDT
FOR SOUTHWESTERN ROCK ISLAND...SOUTHEASTERN CEDAR...WESTERN SCOTT...
CENTRAL MUSCATINE AND SOUTHWESTERN CLINTON COUNTIES...
At 634 AM CDT, severe thunderstorms were located along a line
extending from near Bennett to near Sunbury to near Muscatine, moving
east at 30 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
These severe storms will be near...
Durant, Fairport, Illinois City, Stockton, New Liberty, Pleasant
Prairie, New Era, Sweetland Center, Wildcat Den State Park, and
Big Rock around 640 AM CDT.
Other locations in the path of these severe thunderstorms include
Walcott, Dixon, Loud Thunder Forest Preserve, Midway Beach, Sherman
Park, Plainview, Blue Grass, Buffalo, Montpelier, Maysville, Loud
Thunder Scout Camp, Clarks Ferry Recreation Area, Davenport,
Andalusia, Donahue, Edgington, Buffalo Shores, Eldridge, West Lake
Park, Long Grove, Taylor Ridge, Davenport Municipal Airport and
Mississippi Valley Fairgrounds.
This includes the following highways...
Interstate 80 in Iowa between mile markers 267 and 294.
Interstate 280 between mile markers 1 and 10.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 natures 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.
&&
LAT...LON 4184 9108 4178 9056 4165 9057 4137 9066
4138 9120
TIME...MOT...LOC 1134Z 270DEG 25KT 4180 9096 4163 9095 4141 9103
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Gross
Action: Continued Issued At: 2026-08-12 06:49:24
898
WWUS53 KDVN 121148
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
648 AM CDT Wed Aug 12 2026
ILC161-IAC031-045-139-163-121215-
/O.CON.KDVN.SV.W.0258.000000T0000Z-260812T1215Z/
Rock Island IL-Cedar IA-Scott IA-Muscatine IA-Clinton IA-
648 AM CDT Wed Aug 12 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 AM CDT
FOR SOUTHWESTERN ROCK ISLAND...SOUTHEASTERN CEDAR...SCOTT...
NORTHEASTERN MUSCATINE AND SOUTHWESTERN CLINTON COUNTIES...
At 648 AM CDT, severe thunderstorms were located along a line
extending from Sherman Park to Walcott to Illinois City, moving east
at 40 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
These severe storms will be near...
Davenport, Eldridge, Blue Grass, Buffalo, Andalusia, Donahue,
Edgington, Maysville, West Lake Park, and Buffalo Shores around
655 AM CDT.
Other locations in the path of these severe thunderstorms include
Long Grove, Taylor Ridge and Davenport Municipal Airport.
This includes the following highways...
Interstate 80 in Iowa between mile markers 274 and 294.
Interstate 280 between mile markers 1 and 10.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 natures 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.
&&
LAT...LON 4180 9096 4178 9056 4165 9057 4137 9066
4138 9101
TIME...MOT...LOC 1148Z 275DEG 34KT 4179 9079 4162 9078 4140 9086
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Gross
Action: Correction Issued At: 2026-08-12 06:55:09
956
WWUS53 KDVN 121154 CCA
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
654 AM CDT Wed Aug 12 2026
ILC161-IAC031-045-139-163-121215-
/O.COR.KDVN.SV.W.0258.000000T0000Z-260812T1215Z/
Rock Island IL-Cedar IA-Scott IA-Muscatine IA-Clinton IA-
654 AM CDT Wed Aug 12 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 AM CDT
FOR SOUTHWESTERN ROCK ISLAND...SOUTHEASTERN CEDAR...SCOTT...
NORTHEASTERN MUSCATINE AND SOUTHWESTERN CLINTON COUNTIES...
At 654 AM CDT, severe thunderstorms were located along a line
extending from near Sherman Park to near Maysville to Edgington,
moving east at 40 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Davenport, Durant, Eldridge, Walcott, Blue Grass, Buffalo, Andalusia,
Long Grove, Donahue, Taylor Ridge, Montpelier, Illinois City,
Fairport, Edgington, Dixon, Stockton, Maysville, New Liberty, Clarks
Ferry Recreation Area, and Camp Liberty.
This includes the following highways...
Interstate 80 in Iowa between mile markers 274 and 294.
Interstate 280 between mile markers 1 and 10.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
sturdy building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4180 9096 4178 9056 4165 9057 4137 9066
4138 9101
TIME...MOT...LOC 1148Z 275DEG 34KT 4179 9079 4162 9078 4140 9086
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Gross
Action: Continued Issued At: 2026-08-12 07:02:09
199
WWUS53 KDVN 121201
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
701 AM CDT Wed Aug 12 2026
IAC031-045-121210-
/O.CAN.KDVN.SV.W.0258.000000T0000Z-260812T1215Z/
Cedar IA-Clinton IA-
701 AM CDT Wed Aug 12 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CEDAR AND
SOUTHWESTERN CLINTON COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 100 PM CDT for
northwestern Illinois...and east central Iowa.
&&
LAT...LON 4176 9058 4176 9056 4165 9057 4137 9066
4138 9084 4177 9085 4177 9077 4174 9075
4174 9070 4177 9067 4176 9065 4176 9062
4177 9059
TIME...MOT...LOC 1200Z 275DEG 34KT 4178 9065 4161 9064 4139 9072
$$
ILC161-IAC139-163-121215-
/O.CON.KDVN.SV.W.0258.000000T0000Z-260812T1215Z/
Rock Island IL-Scott IA-Muscatine IA-
701 AM CDT Wed Aug 12 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 AM CDT
FOR SOUTH CENTRAL ROCK ISLAND...WESTERN SCOTT AND NORTHEASTERN
MUSCATINE COUNTIES...
At 700 AM CDT, severe thunderstorms were located along a line
extending from near Grand Mound to near Davenport Municipal Airport
to near Edgington, moving east at 40 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...
Davenport, Eldridge, Walcott, Blue Grass, Buffalo, Andalusia, Long
Grove, Donahue, Taylor Ridge, Montpelier, Edgington, Dixon,
Maysville, Clarks Ferry Recreation Area, Camp Liberty, Midway Beach,
West Lake Park, Loud Thunder Forest Preserve, Mississippi Valley
Fairgrounds, and Davenport Municipal Airport.
This includes the following highways...
Interstate 80 in Iowa between mile markers 281 and 294.
Interstate 280 between mile markers 1 and 10.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
sturdy building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4176 9058 4176 9056 4165 9057 4137 9066
4138 9084 4177 9085 4177 9077 4174 9075
4174 9070 4177 9067 4176 9065 4176 9062
4177 9059
TIME...MOT...LOC 1200Z 275DEG 34KT 4178 9065 4161 9064 4139 9072
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Gross
Action: Cancelled Issued At: 2026-08-12 07:02:09
199
WWUS53 KDVN 121201
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
701 AM CDT Wed Aug 12 2026
IAC031-045-121210-
/O.CAN.KDVN.SV.W.0258.000000T0000Z-260812T1215Z/
Cedar IA-Clinton IA-
701 AM CDT Wed Aug 12 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CEDAR AND
SOUTHWESTERN CLINTON COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 100 PM CDT for
northwestern Illinois...and east central Iowa.
&&
LAT...LON 4176 9058 4176 9056 4165 9057 4137 9066
4138 9084 4177 9085 4177 9077 4174 9075
4174 9070 4177 9067 4176 9065 4176 9062
4177 9059
TIME...MOT...LOC 1200Z 275DEG 34KT 4178 9065 4161 9064 4139 9072
$$
ILC161-IAC139-163-121215-
/O.CON.KDVN.SV.W.0258.000000T0000Z-260812T1215Z/
Rock Island IL-Scott IA-Muscatine IA-
701 AM CDT Wed Aug 12 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 AM CDT
FOR SOUTH CENTRAL ROCK ISLAND...WESTERN SCOTT AND NORTHEASTERN
MUSCATINE COUNTIES...
At 700 AM CDT, severe thunderstorms were located along a line
extending from near Grand Mound to near Davenport Municipal Airport
to near Edgington, moving east at 40 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...
Davenport, Eldridge, Walcott, Blue Grass, Buffalo, Andalusia, Long
Grove, Donahue, Taylor Ridge, Montpelier, Edgington, Dixon,
Maysville, Clarks Ferry Recreation Area, Camp Liberty, Midway Beach,
West Lake Park, Loud Thunder Forest Preserve, Mississippi Valley
Fairgrounds, and Davenport Municipal Airport.
This includes the following highways...
Interstate 80 in Iowa between mile markers 281 and 294.
Interstate 280 between mile markers 1 and 10.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
sturdy building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4176 9058 4176 9056 4165 9057 4137 9066
4138 9084 4177 9085 4177 9077 4174 9075
4174 9070 4177 9067 4176 9065 4176 9062
4177 9059
TIME...MOT...LOC 1200Z 275DEG 34KT 4178 9065 4161 9064 4139 9072
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Gross
Action: Expired Issued At: 2026-08-12 07:11:40
452
WWUS53 KDVN 121211
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
711 AM CDT Wed Aug 12 2026
IAC139-163-ILC161-121221-
/O.EXP.KDVN.SV.W.0258.000000T0000Z-260812T1215Z/
Rock Island IL-Scott IA-Muscatine IA-
711 AM CDT Wed Aug 12 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ROCK ISLAND...
WESTERN SCOTT AND NORTHEASTERN MUSCATINE COUNTIES WILL EXPIRE AT 715
AM CDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire. However, heavy
rain is still possible with these thunderstorms.
A Severe Thunderstorm Watch remains in effect until 100 PM CDT for
northwestern Illinois...and east central Iowa.
&&
LAT...LON 4176 9058 4176 9056 4165 9057 4137 9066
4138 9084 4177 9085 4177 9077 4174 9075
4174 9070 4177 9067 4176 9065 4176 9062
4177 9059
TIME...MOT...LOC 1211Z 275DEG 34KT 4177 9053 4160 9052 4138 9060
$$
Gross
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