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Home Return to list Severe Thunderstorm Warning 0254 Issued by the Davenport / Quad Cities Forecast Office
Action: New Issued At: 2026-08-11 08:55:12 966 WUUS53 KDVN 111354 SVRDVN ILC011-073-161-IAC163-111515- /O.NEW.KDVN.SV.W.0254.260811T1354Z-260811T1515Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Quad Cities IA/IL 854 AM CDT Tue Aug 11 2026 The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Southeastern Rock Island County in northwestern Illinois... Northern Henry County in northwestern Illinois... Bureau County in north central Illinois... Southeastern Scott County in east central Iowa... * Until 1015 AM CDT. * At 854 AM CDT, severe thunderstorms were located along a line extending from Newton Corners to near Hillsdale to near Green River, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Davenport, Moline, Rock Island, Bettendorf, East Moline, Princeton, Silvis, Geneseo, Spring Valley, Colona, Milan, Coal Valley, Hampton, Orion, DePue, Walnut, Ladd, Wyanet, Atkinson, and Rapids City. This includes the following highways... Interstate 74 in Iowa between mile markers 2 and 5. Interstate 80 in Illinois between mile markers 1 and 73. Interstate 74 in Illinois between mile markers 1 and 21. Interstate 88 between mile markers 1 and 7. Interstate 280 between mile markers 15 and 18. Interstate 180 between mile markers 8 and 13. This also includes Hennepin Canal State Trail and Mautino State Fish & Wildlife Area. 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. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4134 9054 4158 9060 4158 8917 4132 8916 TIME...MOT...LOC 1354Z 277DEG 44KT 4172 9015 4159 9011 4146 9030 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Uttech Action: Cancelled Issued At: 2026-08-11 09:10:43 417 WWUS53 KDVN 111410 SVSDVN Severe Weather Statement National Weather Service Quad Cities IA/IL 910 AM CDT Tue Aug 11 2026 ILC161-IAC163-111419- /O.CAN.KDVN.SV.W.0254.000000T0000Z-260811T1515Z/ Rock Island IL-Scott IA- 910 AM CDT Tue Aug 11 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ROCK ISLAND AND SOUTHEASTERN SCOTT COUNTIES IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 200 PM CDT for north central and northwestern Illinois. && LAT...LON 4134 9033 4158 9014 4158 8917 4132 8916 TIME...MOT...LOC 1409Z 276DEG 41KT 4168 8981 4152 8986 4135 9003 $$ ILC011-073-111515- /O.CON.KDVN.SV.W.0254.000000T0000Z-260811T1515Z/ Henry IL-Bureau IL- 910 AM CDT Tue Aug 11 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT FOR NORTHERN HENRY AND BUREAU COUNTIES... At 909 AM CDT, severe thunderstorms were located along a line extending from near Tampico to near Thomas to near German Corner, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Princeton, Geneseo, Spring Valley, DePue, Walnut, Ladd, Wyanet, Atkinson, Sheffield, Annawan, La Moille, Dalzell, Buda, Hooppole, Ohio, Cherry, Osco, Yorktown, Malden, and Manlius. This also includes Hennepin Canal State Trail and Mautino State Fish & Wildlife Area. This includes the following highways... Interstate 80 in Illinois between mile markers 15 and 73. Interstate 180 between mile markers 8 and 13. PRECAUTIONARY/PREPAREDNESS ACTIONS... A tornado watch remains in effect for the warned area. Tornadoes can develop quickly from severe thunderstorms. Although a tornado is not immediately likely, if one is spotted act quickly and move to a place of safety inside a sturdy structure, such as a basement or small interior room. 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 4134 9033 4158 9014 4158 8917 4132 8916 TIME...MOT...LOC 1409Z 276DEG 41KT 4168 8981 4152 8986 4135 9003 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Uttech Action: Continued Issued At: 2026-08-11 09:10:43 417 WWUS53 KDVN 111410 SVSDVN Severe Weather Statement National Weather Service Quad Cities IA/IL 910 AM CDT Tue Aug 11 2026 ILC161-IAC163-111419- /O.CAN.KDVN.SV.W.0254.000000T0000Z-260811T1515Z/ Rock Island IL-Scott IA- 910 AM CDT Tue Aug 11 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ROCK ISLAND AND SOUTHEASTERN SCOTT COUNTIES IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 200 PM CDT for north central and northwestern Illinois. && LAT...LON 4134 9033 4158 9014 4158 8917 4132 8916 TIME...MOT...LOC 1409Z 276DEG 41KT 4168 8981 4152 8986 4135 9003 $$ ILC011-073-111515- /O.CON.KDVN.SV.W.0254.000000T0000Z-260811T1515Z/ Henry IL-Bureau IL- 910 AM CDT Tue Aug 11 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT FOR NORTHERN HENRY AND BUREAU COUNTIES... At 909 AM CDT, severe thunderstorms were located along a line extending from near Tampico to near Thomas to near German Corner, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Princeton, Geneseo, Spring Valley, DePue, Walnut, Ladd, Wyanet, Atkinson, Sheffield, Annawan, La Moille, Dalzell, Buda, Hooppole, Ohio, Cherry, Osco, Yorktown, Malden, and Manlius. This also includes Hennepin Canal State Trail and Mautino State Fish & Wildlife Area. This includes the following highways... Interstate 80 in Illinois between mile markers 15 and 73. Interstate 180 between mile markers 8 and 13. PRECAUTIONARY/PREPAREDNESS ACTIONS... A tornado watch remains in effect for the warned area. Tornadoes can develop quickly from severe thunderstorms. Although a tornado is not immediately likely, if one is spotted act quickly and move to a place of safety inside a sturdy structure, such as a basement or small interior room. 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 4134 9033 4158 9014 4158 8917 4132 8916 TIME...MOT...LOC 1409Z 276DEG 41KT 4168 8981 4152 8986 4135 9003 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Uttech Action: Cancelled Issued At: 2026-08-11 09:28:58
038
WWUS53 KDVN 111428
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
928 AM CDT Tue Aug 11 2026
ILC073-111436-
/O.CAN.KDVN.SV.W.0254.000000T0000Z-260811T1515Z/
Henry IL-
928 AM CDT Tue Aug 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN HENRY COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 200 PM CDT for
north central and northwestern Illinois.
&&
LAT...LON 4133 8986 4158 8986 4158 8917 4132 8916
TIME...MOT...LOC 1426Z 274DEG 43KT 4166 8955 4147 8950 4133 8977
$$
ILC011-111515-
/O.CON.KDVN.SV.W.0254.000000T0000Z-260811T1515Z/
Bureau IL-
928 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT
FOR BUREAU COUNTY...
At 926 AM CDT, severe thunderstorms were located along a line
extending from near Harmon to near Kasbeer to near Sheffield, moving
east at 50 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated. Automated weather station measured a 58
mph wind gust near Atkinson At 909 AM.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Princeton, Spring Valley, DePue, Walnut, Ladd, Wyanet, Sheffield, La
Moille, Dalzell, Buda, Ohio, Cherry, Yorktown, Malden, Manlius,
Seatonville, Mineral, Arlington, Dover, and Hollowayville.
This also includes Hennepin Canal State Trail and Mautino State Fish
& Wildlife Area.
This includes the following highways...
Interstate 80 in Illinois between mile markers 36 and 73.
Interstate 180 between mile markers 8 and 13.
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.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4133 8986 4158 8986 4158 8917 4132 8916
TIME...MOT...LOC 1426Z 274DEG 43KT 4166 8955 4147 8950 4133 8977
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
Uttech
Action: Continued Issued At: 2026-08-11 09:28:58
038
WWUS53 KDVN 111428
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
928 AM CDT Tue Aug 11 2026
ILC073-111436-
/O.CAN.KDVN.SV.W.0254.000000T0000Z-260811T1515Z/
Henry IL-
928 AM CDT Tue Aug 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN HENRY COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 200 PM CDT for
north central and northwestern Illinois.
&&
LAT...LON 4133 8986 4158 8986 4158 8917 4132 8916
TIME...MOT...LOC 1426Z 274DEG 43KT 4166 8955 4147 8950 4133 8977
$$
ILC011-111515-
/O.CON.KDVN.SV.W.0254.000000T0000Z-260811T1515Z/
Bureau IL-
928 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT
FOR BUREAU COUNTY...
At 926 AM CDT, severe thunderstorms were located along a line
extending from near Harmon to near Kasbeer to near Sheffield, moving
east at 50 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated. Automated weather station measured a 58
mph wind gust near Atkinson At 909 AM.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Princeton, Spring Valley, DePue, Walnut, Ladd, Wyanet, Sheffield, La
Moille, Dalzell, Buda, Ohio, Cherry, Yorktown, Malden, Manlius,
Seatonville, Mineral, Arlington, Dover, and Hollowayville.
This also includes Hennepin Canal State Trail and Mautino State Fish
& Wildlife Area.
This includes the following highways...
Interstate 80 in Illinois between mile markers 36 and 73.
Interstate 180 between mile markers 8 and 13.
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.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4133 8986 4158 8986 4158 8917 4132 8916
TIME...MOT...LOC 1426Z 274DEG 43KT 4166 8955 4147 8950 4133 8977
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
Uttech
Action: Continued Issued At: 2026-08-11 09:49:44
516
WWUS53 KDVN 111449
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
949 AM CDT Tue Aug 11 2026
ILC011-111515-
/O.CON.KDVN.SV.W.0254.000000T0000Z-260811T1515Z/
Bureau IL-
949 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT
FOR NORTHEASTERN BUREAU COUNTY...
At 949 AM CDT, severe thunderstorms were located along a line
extending from Sublette to near Cherry to DePue, moving east at 50
mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Princeton, Spring Valley, DePue, Ladd, Wyanet, La Moille, Dalzell,
Ohio, Cherry, Malden, Seatonville, Arlington, Dover, Hollowayville,
Coal Hollow, Zearing, Kasbeer, Ottville, Van Orin, and Bureau County
Fairgrounds.
This includes the following highways...
Interstate 80 in Illinois between mile markers 52 and 73.
Interstate 180 between mile markers 8 and 13.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
sturdy building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4133 8958 4158 8953 4158 8917 4132 8916
TIME...MOT...LOC 1449Z 272DEG 42KT 4165 8922 4146 8917 4132 8929
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Uttech
Action: Continued Issued At: 2026-08-11 10:02:14
857
WWUS53 KDVN 111501
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
1001 AM CDT Tue Aug 11 2026
ILC011-111515-
/O.CON.KDVN.SV.W.0254.000000T0000Z-260811T1515Z/
Bureau IL-
1001 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 AM CDT
FOR NORTHEASTERN BUREAU COUNTY...
At 1000 AM CDT, severe thunderstorms were located along a line
extending from near Mendota to near Peru to Standard, moving east at
40 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated. This line of storms has a history of
producing wind damage across portions of Bureau County.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Spring Valley, DePue, Ladd, La Moille, Dalzell, Cherry, Malden,
Seatonville, Arlington, Hollowayville, Coal Hollow, Zearing, and
Ottville.
This includes the following highways...
Interstate 80 in Illinois between mile markers 60 and 73.
Interstate 180 between mile markers 9 and 13.
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.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4133 8945 4158 8929 4158 8917 4132 8916
TIME...MOT...LOC 1500Z 279DEG 35KT 4160 8911 4137 8911 4128 8919
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
Uttech
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