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Severe Thunderstorm Warning 0228
Issued by the Chicago Forecast Office

Action Issued Starts Expiration
New 2026-08-09 21:40:06 2026-08-09 21:39:00 2026-08-09 22:45:00
Continued 2026-08-09 22:11:07 2026-08-09 22:45:00
Expired 2026-08-09 22:37:38 2026-08-09 22:45:00


Action: New
Issued At: 2026-08-09 21:40:06

237 
WUUS53 KLOT 100239
SVRLOT
ILC103-100345-
/O.NEW.KLOT.SV.W.0228.260810T0239Z-260810T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Chicago/Romeoville
939 PM CDT Sun Aug 9 2026

The National Weather Service in Chicago has issued a

* Severe Thunderstorm Warning for...
  Lee County in north central Illinois...

* Until 1045 PM CDT.

* At 939 PM CDT, severe thunderstorms were located along a line
  extending from 7 miles south of Rochelle to 9 miles west of Amboy,
  moving east at 15 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...
  Amboy, Franklin Grove, Ashton, Paw Paw, Sublette, Woodhaven Lakes,
  Lee, Compton, Steward, West Brooklyn, Harmon, Eldena, Lee Center,
  and Nachusa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4189 8935 4189 8894 4163 8894 4163 8917
      4158 8917 4159 8951 4173 8957
TIME...MOT...LOC 0239Z 261DEG 14KT 4182 8907 4171 8951 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Kluber


Action: Continued
Issued At: 2026-08-09 22:11:07

096 
WWUS53 KLOT 100310
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
1010 PM CDT Sun Aug 9 2026

ILC103-100345-
/O.CON.KLOT.SV.W.0228.000000T0000Z-260810T0345Z/
Lee IL-
1010 PM CDT Sun Aug 9 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR LEE COUNTY...

At 1009 PM CDT, severe thunderstorms were located along a line
extending from 6 miles northwest of Shabbona to near Amboy, moving 
east at 15 mph. Additional severe thunderstorms are approaching the 
warned area from the southwest.

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...
Amboy, Franklin Grove, Ashton, Paw Paw, Sublette, Woodhaven Lakes,
Lee, Compton, Steward, West Brooklyn, Eldena, Lee Center, and
Nachusa.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4189 8935 4189 8894 4163 8894 4163 8917
      4158 8917 4159 8949 4179 8943
TIME...MOT...LOC 0309Z 261DEG 15KT 4183 8895 4173 8925 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Kluber


Action: Expired
Issued At: 2026-08-09 22:37:38

711 
WWUS53 KLOT 100337
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
1037 PM CDT Sun Aug 9 2026

ILC103-100345-
/O.EXP.KLOT.SV.W.0228.000000T0000Z-260810T0345Z/
Lee IL-
1037 PM CDT Sun Aug 9 2026

...THE SEVERE THUNDERSTORM WARNING FOR LEE COUNTY WILL EXPIRE AT 1045
PM CDT...

The Severe Thunderstorm Warning will expire at 1045 PM CDT. However, 
a Tornado Warning still remains in effect for eastern Lee County 
until 1130 PM CDT.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
north central Illinois.

&&

LAT...LON 4189 8935 4189 8894 4163 8894 4163 8917
      4158 8917 4159 8949 4179 8943
TIME...MOT...LOC 0335Z 261DEG 14KT 4184 8883 4174 8913 

$$

Kluber



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