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Home Return to list Tornado Warning 0086 Issued by the Davenport / Quad Cities Forecast Office
Action: New Issued At: 2026-08-11 08:39:12
563
WFUS53 KDVN 111338
TORDVN
ILC161-195-IAC163-111415-
/O.NEW.KDVN.TO.W.0086.260811T1338Z-260811T1415Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Quad Cities IA/IL
838 AM CDT Tue Aug 11 2026
The National Weather Service in the Quad Cities has issued a
* Tornado Warning for...
Northeastern Rock Island County in northwestern Illinois...
Southwestern Whiteside County in northwestern Illinois...
Northeastern Scott County in east central Iowa...
* Until 915 AM CDT.
* At 838 AM CDT, severe thunderstorms capable of producing a tornado
were located along a line extending from Low Moor to near
McCausland, moving southeast at 55 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* These dangerous storms will be near...
Camanche, Port Byron, Princeton, Cordova, and Princeton Wildlife
Area around 845 AM CDT.
Hillsdale around 850 AM CDT.
Erie around 855 AM CDT.
Other locations in the path of these tornadic storms include Spring
Hill.
This also includes Big Bend Fish and Wildlife Area.
This includes Interstate 88 between mile markers 4 and 20.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4159 8982 4158 9018 4155 9019 4152 9026
4173 9050 4176 9047 4176 9045 4175 9042
4174 9043 4174 9041 4173 9041 4174 9038
4173 9036 4174 9034 4173 9032 4175 9031
4178 9026
TIME...MOT...LOC 1338Z 309DEG 46KT 4179 9039 4176 9041
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Gibbs
Action: Continued Issued At: 2026-08-11 08:50:42
918
WWUS53 KDVN 111350
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
850 AM CDT Tue Aug 11 2026
ILC161-195-IAC163-111415-
/O.CON.KDVN.TO.W.0086.000000T0000Z-260811T1415Z/
Rock Island IL-Whiteside IL-Scott IA-
850 AM CDT Tue Aug 11 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 AM CDT FOR
NORTHEASTERN ROCK ISLAND...SOUTHWESTERN WHITESIDE AND EAST CENTRAL
SCOTT COUNTIES...
At 850 AM CDT, severe thunderstorms capable of producing tornadoes
were located along a line extending from near Princeton Wildlife Area
to near Cordova, moving southeast at 55 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
These dangerous storms will be near...
Erie and Hillsdale around 855 AM CDT.
Other locations in the path of these tornadic storms include Spring
Hill.
This also includes Big Bend Fish and Wildlife Area.
This includes Interstate 88 between mile markers 4 and 19.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4159 8982 4158 9018 4155 9019 4152 9026
4164 9040 4165 9039 4170 9031 4176 9023
TIME...MOT...LOC 1350Z 309DEG 46KT 4170 9025 4167 9027
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Gibbs
Action: Continued Issued At: 2026-08-11 08:59:13
176
WWUS53 KDVN 111359
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
859 AM CDT Tue Aug 11 2026
IAC163-111408-
/O.CAN.KDVN.TO.W.0086.000000T0000Z-260811T1415Z/
Scott IA-
859 AM CDT Tue Aug 11 2026
...THE TORNADO WARNING FOR EAST CENTRAL SCOTT 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
northwestern Illinois.
&&
LAT...LON 4158 9018 4155 9019 4152 9026 4160 9029
4163 9024 4166 9020 4168 9013 4159 8993
TIME...MOT...LOC 1358Z 309DEG 46KT 4165 9016 4162 9018
$$
ILC161-195-111415-
/O.CON.KDVN.TO.W.0086.000000T0000Z-260811T1415Z/
Rock Island IL-Whiteside IL-
859 AM CDT Tue Aug 11 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 AM CDT FOR EAST
CENTRAL ROCK ISLAND AND SOUTHWESTERN WHITESIDE COUNTIES...
At 858 AM CDT, severe thunderstorms capable of producing tornadoes
were located along a line extending from near Erie to Hillsdale,
moving southeast at 55 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
These dangerous storms will be near...
Spring Hill around 905 AM CDT.
This includes Interstate 88 between mile markers 4 and 16.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4158 9018 4155 9019 4152 9026 4160 9029
4163 9024 4166 9020 4168 9013 4159 8993
TIME...MOT...LOC 1358Z 309DEG 46KT 4165 9016 4162 9018
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Gibbs
Action: Cancelled Issued At: 2026-08-11 08:59:13
176
WWUS53 KDVN 111359
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
859 AM CDT Tue Aug 11 2026
IAC163-111408-
/O.CAN.KDVN.TO.W.0086.000000T0000Z-260811T1415Z/
Scott IA-
859 AM CDT Tue Aug 11 2026
...THE TORNADO WARNING FOR EAST CENTRAL SCOTT 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
northwestern Illinois.
&&
LAT...LON 4158 9018 4155 9019 4152 9026 4160 9029
4163 9024 4166 9020 4168 9013 4159 8993
TIME...MOT...LOC 1358Z 309DEG 46KT 4165 9016 4162 9018
$$
ILC161-195-111415-
/O.CON.KDVN.TO.W.0086.000000T0000Z-260811T1415Z/
Rock Island IL-Whiteside IL-
859 AM CDT Tue Aug 11 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 AM CDT FOR EAST
CENTRAL ROCK ISLAND AND SOUTHWESTERN WHITESIDE COUNTIES...
At 858 AM CDT, severe thunderstorms capable of producing tornadoes
were located along a line extending from near Erie to Hillsdale,
moving southeast at 55 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
These dangerous storms will be near...
Spring Hill around 905 AM CDT.
This includes Interstate 88 between mile markers 4 and 16.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4158 9018 4155 9019 4152 9026 4160 9029
4163 9024 4166 9020 4168 9013 4159 8993
TIME...MOT...LOC 1358Z 309DEG 46KT 4165 9016 4162 9018
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
Gibbs
Action: Cancelled Issued At: 2026-08-11 09:01:43
238
WWUS53 KDVN 111401
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
901 AM CDT Tue Aug 11 2026
ILC161-195-111411-
/O.CAN.KDVN.TO.W.0086.000000T0000Z-260811T1415Z/
Rock Island IL-Whiteside IL-
901 AM CDT Tue Aug 11 2026
...THE TORNADO WARNING FOR EAST CENTRAL ROCK ISLAND AND SOUTHWESTERN
WHITESIDE COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 200 PM CDT for
northwestern Illinois.
&&
LAT...LON 4158 9018 4155 9019 4152 9026 4160 9029
4163 9024 4166 9020 4168 9013 4159 8993
TIME...MOT...LOC 1359Z 309DEG 46KT 4164 9015 4161 9017
$$
Gibbs
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