|
Home Return to list Severe Thunderstorm Warning 0253 Issued by the Davenport / Quad Cities Forecast Office
Action: New Issued At: 2026-08-11 08:43:42
772
WUUS53 KDVN 111343
SVRDVN
ILC085-177-111445-
/O.NEW.KDVN.SV.W.0253.260811T1343Z-260811T1445Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Quad Cities IA/IL
843 AM CDT Tue Aug 11 2026
The National Weather Service in the Quad Cities has issued a
* Severe Thunderstorm Warning for...
Northeastern Jo Daviess County in northwestern Illinois...
Stephenson County in northwestern Illinois...
* Until 945 AM CDT.
* At 843 AM CDT, severe thunderstorms were located along a line
extending from near Apple River to Kent to near Mount Carroll,
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...
Freeport, Warren, Cedarville, Davis, Dakota, German Valley, Apple
River, Winslow, Rock City, Ridott, Nora, Buena Vista, Rock Grove,
Oneco, Orangeville, Damascus, Mc Connell, Scioto Mills, Winneshiek,
and Stephenson County Fairgrounds.
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 4250 8940 4220 8940 4220 8972 4242 8971
4247 9018 4251 9020
TIME...MOT...LOC 1343Z 270DEG 44KT 4253 9015 4234 8992 4213 8992
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
Gibbs
Action: Continued Issued At: 2026-08-11 08:58:13
165
WWUS53 KDVN 111358
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
858 AM CDT Tue Aug 11 2026
ILC085-177-111445-
/O.CON.KDVN.SV.W.0253.000000T0000Z-260811T1445Z/
Jo Daviess IL-Stephenson IL-
858 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 AM CDT
FOR NORTHEASTERN JO DAVIESS AND STEPHENSON COUNTIES...
At 858 AM CDT, severe thunderstorms were located along a line
extending from near South Wayne to Scioto Mills to near Shannon,
moving east at 50 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Freeport, Warren, Cedarville, Davis, Dakota, German Valley, Apple
River, Winslow, Rock City, Ridott, Nora, Buena Vista, Rock Grove,
Oneco, Orangeville, Damascus, Mc Connell, Scioto Mills, Winneshiek,
and Stephenson County Fairgrounds.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.
For your protection move to an interior room on the lowest floor of a
sturdy building.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of natures leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4250 8940 4220 8940 4220 8972 4242 8971
4247 9018 4251 9020
TIME...MOT...LOC 1358Z 270DEG 44KT 4253 8993 4234 8970 4213 8970
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
Gibbs
Action: Continued Issued At: 2026-08-11 09:09:13
353
WWUS53 KDVN 111408
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
908 AM CDT Tue Aug 11 2026
ILC085-177-111445-
/O.CON.KDVN.SV.W.0253.000000T0000Z-260811T1445Z/
Jo Daviess IL-Stephenson IL-
908 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 AM CDT
FOR NORTHEASTERN JO DAVIESS AND STEPHENSON COUNTIES...
At 908 AM CDT, severe thunderstorms were located along a line
extending from near Winslow to Winneshiek to Forreston, moving east
at 50 mph.
HAZARD...70 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Freeport, Warren, Cedarville, Davis, Dakota, German Valley, Winslow,
Rock City, Ridott, Nora, Buena Vista, Rock Grove, Oneco, Orangeville,
Damascus, Mc Connell, Scioto Mills, Winneshiek, Stephenson County
Fairgrounds, and Red Oak.
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 4250 8940 4220 8940 4220 8972 4242 8971
4246 8999 4251 9006
TIME...MOT...LOC 1408Z 270DEG 44KT 4253 8978 4234 8955 4213 8955
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
Gibbs
Action: Continued Issued At: 2026-08-11 09:15:13
731
WWUS53 KDVN 111414
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
914 AM CDT Tue Aug 11 2026
ILC085-111424-
/O.CAN.KDVN.SV.W.0253.000000T0000Z-260811T1445Z/
Jo Daviess IL-
914 AM CDT Tue Aug 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JO DAVIESS COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 200 PM CDT for
northwestern Illinois.
&&
LAT...LON 4250 8940 4220 8940 4220 8964 4234 8963
4244 8969 4251 8977
TIME...MOT...LOC 1414Z 270DEG 44KT 4253 8971 4234 8948 4213 8948
$$
ILC177-111445-
/O.CON.KDVN.SV.W.0253.000000T0000Z-260811T1445Z/
Stephenson IL-
914 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 AM CDT
FOR EASTERN STEPHENSON COUNTY...
At 914 AM CDT, severe thunderstorms were located along a line
extending from near Oneco to near Ridott to Adeline, moving east at
50 mph.
HAZARD...70 mph wind gusts.
SOURCE...Law enforcement.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Freeport, Cedarville, Davis, Dakota, German Valley, Rock City,
Ridott, Buena Vista, Rock Grove, Oneco, Orangeville, Afolkey,
Winneshiek, Dakota Dornink Airport, Albertus Airport, Stephenson
County Fairgrounds, Red Oak, and Lake Summerset.
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 4250 8940 4220 8940 4220 8964 4234 8963
4244 8969 4251 8977
TIME...MOT...LOC 1414Z 270DEG 44KT 4253 8971 4234 8948 4213 8948
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
Gibbs
Action: Cancelled Issued At: 2026-08-11 09:15:13
731
WWUS53 KDVN 111414
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
914 AM CDT Tue Aug 11 2026
ILC085-111424-
/O.CAN.KDVN.SV.W.0253.000000T0000Z-260811T1445Z/
Jo Daviess IL-
914 AM CDT Tue Aug 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JO DAVIESS COUNTY
IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 200 PM CDT for
northwestern Illinois.
&&
LAT...LON 4250 8940 4220 8940 4220 8964 4234 8963
4244 8969 4251 8977
TIME...MOT...LOC 1414Z 270DEG 44KT 4253 8971 4234 8948 4213 8948
$$
ILC177-111445-
/O.CON.KDVN.SV.W.0253.000000T0000Z-260811T1445Z/
Stephenson IL-
914 AM CDT Tue Aug 11 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 AM CDT
FOR EASTERN STEPHENSON COUNTY...
At 914 AM CDT, severe thunderstorms were located along a line
extending from near Oneco to near Ridott to Adeline, moving east at
50 mph.
HAZARD...70 mph wind gusts.
SOURCE...Law enforcement.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Freeport, Cedarville, Davis, Dakota, German Valley, Rock City,
Ridott, Buena Vista, Rock Grove, Oneco, Orangeville, Afolkey,
Winneshiek, Dakota Dornink Airport, Albertus Airport, Stephenson
County Fairgrounds, Red Oak, and Lake Summerset.
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 4250 8940 4220 8940 4220 8964 4234 8963
4244 8969 4251 8977
TIME...MOT...LOC 1414Z 270DEG 44KT 4253 8971 4234 8948 4213 8948
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH
$$
Gibbs
Action: Cancelled Issued At: 2026-08-11 09:34:43
131
WWUS53 KDVN 111434
SVSDVN
Severe Weather Statement
National Weather Service Quad Cities IA/IL
934 AM CDT Tue Aug 11 2026
ILC177-111444-
/O.CAN.KDVN.SV.W.0253.000000T0000Z-260811T1445Z/
Stephenson IL-
934 AM CDT Tue Aug 11 2026
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN STEPHENSON COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 200 PM CDT for
northwestern Illinois.
&&
LAT...LON 4250 8940 4220 8940 4220 8964 4234 8963
4244 8969 4251 8977
TIME...MOT...LOC 1430Z 270DEG 44KT 4253 8944 4234 8921 4213 8921
$$
Gibbs
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||