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Home Return to list Severe Thunderstorm Warning 0245 Issued by the Davenport / Quad Cities Forecast Office
Action: New Issued At: 2026-08-11 06:54:09
706
WUUS53 KDVN 111153
SVRDVN
IAC011-019-113-111245-
/O.NEW.KDVN.SV.W.0245.260811T1153Z-260811T1245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Quad Cities IA/IL
653 AM CDT Tue Aug 11 2026
The National Weather Service in the Quad Cities has issued a
* Severe Thunderstorm Warning for...
Buchanan County in northeastern Iowa...
Northern Benton County in east central Iowa...
Northwestern Linn County in east central Iowa...
* Until 745 AM CDT.
* At 653 AM CDT, severe thunderstorms were located along a line
extending from near Fairbank to near Tf Clark State Park, moving
east at 55 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Independence, Vinton, Jesup, Center Point, Urbana, Fairbank,
Winthrop, Hazleton, Walker, Quasqueton, Lamont, Brandon, Rowley,
Aurora, Mount Auburn, Stanley, Troy Mills, Wapsipinicon Golf
Course, Vinton Memorial Airport, and Fontana County Park.
This includes Interstate 380 between mile markers 33 and 55.
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.
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 4264 9161 4222 9160 4212 9165 4222 9230
4230 9230 4230 9206 4247 9206 4247 9208
4264 9208
TIME...MOT...LOC 1153Z 283DEG 46KT 4262 9209 4226 9233
TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Gibbs
Action: Continued Issued At: 2026-08-11 07:05:09
059
WWUS53 KDVN 111204
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
704 AM CDT Tue Aug 11 2026
IAC011-019-113-111245-
/O.CON.KDVN.SV.W.0245.000000T0000Z-260811T1245Z/
Buchanan IA-Benton IA-Linn IA-
704 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CDT
FOR BUCHANAN...NORTHERN BENTON AND NORTHWESTERN LINN COUNTIES...
At 704 AM CDT, severe thunderstorms were located along a line
extending from near Littleton to Independence Airport to near
Wapsipinicon Golf Course to near Brandon, moving east at 55 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...
Independence, Vinton, Jesup, Center Point, Urbana, Fairbank,
Winthrop, Hazleton, Walker, Quasqueton, Lamont, Brandon, Rowley,
Aurora, Mount Auburn, Stanley, Troy Mills, Wapsipinicon Golf Course,
Vinton Memorial Airport, and Fontana County Park.
This includes Interstate 380 between mile markers 33 and 55.
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.
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 4264 9161 4222 9160 4212 9165 4222 9230
4230 9230 4230 9206 4247 9206 4247 9208
4264 9208
TIME...MOT...LOC 1204Z 289DEG 49KT 4258 9200 4246 9195 4242 9197 4234
9206
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Gibbs
Action: Continued Issued At: 2026-08-11 07:13:39
437
WWUS53 KDVN 111213
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
713 AM CDT Tue Aug 11 2026
IAC011-019-113-111245-
/O.CON.KDVN.SV.W.0245.000000T0000Z-260811T1245Z/
Buchanan IA-Benton IA-Linn IA-
713 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CDT
FOR BUCHANAN...NORTHEASTERN BENTON AND NORTHWESTERN LINN COUNTIES...
At 713 AM CDT, severe thunderstorms were located along a line
extending from near Fontana County Park to near Quasqueton to near
Rowley to near Lime Creek County Park, moving east at 55 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...
Independence, Jesup, Center Point, Urbana, Fairbank, Winthrop,
Hazleton, Walker, Quasqueton, Lamont, Brandon, Rowley, Aurora,
Stanley, Troy Mills, Wapsipinicon Golf Course, Vinton Memorial
Airport, Fontana County Park, Monti, and Otterville.
This includes Interstate 380 between mile markers 33 and 55.
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.
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 4264 9161 4222 9160 4212 9165 4219 9207
4230 9206 4247 9206 4247 9208 4264 9208
TIME...MOT...LOC 1213Z 283DEG 46KT 4256 9186 4244 9181 4240 9183 4232
9192
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Gibbs
Action: Cancelled Issued At: 2026-08-11 07:22:40
530
WWUS53 KDVN 111222
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
722 AM CDT Tue Aug 11 2026
IAC011-111231-
/O.CAN.KDVN.SV.W.0245.000000T0000Z-260811T1245Z/
Benton IA-
722 AM CDT Tue Aug 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BENTON COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 200 PM CDT for
northeastern and east central Iowa.
&&
LAT...LON 4264 9161 4222 9160 4212 9165 4215 9183
4230 9183 4230 9190 4233 9192 4247 9195
4264 9186
TIME...MOT...LOC 1221Z 283DEG 46KT 4254 9173 4242 9168 4238 9170 4230
9179
$$
IAC019-113-111245-
/O.CON.KDVN.SV.W.0245.000000T0000Z-260811T1245Z/
Buchanan IA-Linn IA-
722 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CDT
FOR BUCHANAN AND NORTHWESTERN LINN COUNTIES...
At 721 AM CDT, severe thunderstorms were located along a line
extending from near Jakway Park to near Monti to near Quasqueton to
Walker, moving east at 55 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...
Independence, Center Point, Winthrop, Walker, Quasqueton, Lamont,
Rowley, Aurora, Stanley, Troy Mills, Winthrop Golf Course,
Wapsipinicon Golf Course, Monti, Buchanan County Fairgrounds,
Lafayette, and Jakway Park.
This includes Interstate 380 between mile markers 33 and 39.
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.
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 4264 9161 4222 9160 4212 9165 4215 9183
4230 9183 4230 9190 4233 9192 4247 9195
4264 9186
TIME...MOT...LOC 1221Z 283DEG 46KT 4254 9173 4242 9168 4238 9170 4230
9179
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Gibbs
Action: Continued Issued At: 2026-08-11 07:22:40
530
WWUS53 KDVN 111222
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
722 AM CDT Tue Aug 11 2026
IAC011-111231-
/O.CAN.KDVN.SV.W.0245.000000T0000Z-260811T1245Z/
Benton IA-
722 AM CDT Tue Aug 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN BENTON COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 200 PM CDT for
northeastern and east central Iowa.
&&
LAT...LON 4264 9161 4222 9160 4212 9165 4215 9183
4230 9183 4230 9190 4233 9192 4247 9195
4264 9186
TIME...MOT...LOC 1221Z 283DEG 46KT 4254 9173 4242 9168 4238 9170 4230
9179
$$
IAC019-113-111245-
/O.CON.KDVN.SV.W.0245.000000T0000Z-260811T1245Z/
Buchanan IA-Linn IA-
722 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CDT
FOR BUCHANAN AND NORTHWESTERN LINN COUNTIES...
At 721 AM CDT, severe thunderstorms were located along a line
extending from near Jakway Park to near Monti to near Quasqueton to
Walker, moving east at 55 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...
Independence, Center Point, Winthrop, Walker, Quasqueton, Lamont,
Rowley, Aurora, Stanley, Troy Mills, Winthrop Golf Course,
Wapsipinicon Golf Course, Monti, Buchanan County Fairgrounds,
Lafayette, and Jakway Park.
This includes Interstate 380 between mile markers 33 and 39.
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.
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 4264 9161 4222 9160 4212 9165 4215 9183
4230 9183 4230 9190 4233 9192 4247 9195
4264 9186
TIME...MOT...LOC 1221Z 283DEG 46KT 4254 9173 4242 9168 4238 9170 4230
9179
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Gibbs
Action: Continued Issued At: 2026-08-11 07:29:10
764
WWUS53 KDVN 111228
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
728 AM CDT Tue Aug 11 2026
IAC019-113-111245-
/O.CON.KDVN.SV.W.0245.000000T0000Z-260811T1245Z/
Buchanan IA-Linn IA-
728 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 AM CDT
FOR EASTERN BUCHANAN AND NORTHWESTERN LINN COUNTIES...
At 728 AM CDT, severe thunderstorms were located along a line
extending from near Manchester Airport to near Baileys Ford Park to
near Ryan to near Buffalo Creek Park, moving east at 60 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Winthrop, Walker, Quasqueton, Lamont, Aurora, Stanley, Troy Mills,
Monti, Winthrop Golf Course, Lafayette, and Jakway Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
sturdy building.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of natures leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4264 9161 4222 9160 4212 9165 4217 9174
4229 9178 4243 9181 4264 9181
TIME...MOT...LOC 1228Z 278DEG 54KT 4254 9151 4242 9146 4238 9148 4230
9157
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
Gibbs
Action: Expired Issued At: 2026-08-11 07:37:10
910
WWUS53 KDVN 111237
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
737 AM CDT Tue Aug 11 2026
IAC019-113-111246-
/O.EXP.KDVN.SV.W.0245.000000T0000Z-260811T1245Z/
Buchanan IA-Linn IA-
737 AM CDT Tue Aug 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BUCHANAN AND
NORTHWESTERN LINN COUNTIES WILL EXPIRE AT 745 AM CDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 200 PM CDT for
northeastern and east central Iowa.
&&
LAT...LON 4264 9161 4222 9160 4212 9165 4217 9174
4229 9178 4243 9181 4264 9181
TIME...MOT...LOC 1236Z 283DEG 46KT 4252 9139 4240 9134 4236 9136 4228
9145
$$
Gibbs
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