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Monday, Aug 10, 2026 02:29:21

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Severe Thunderstorm Warning 0230
Issued by the Chicago Forecast Office

Action Issued Starts Expiration
New 2026-08-09 23:35:39 2026-08-09 23:35:00 2026-08-10 00:45:00
Continued 2026-08-10 00:06:10 2026-08-10 00:45:00
Continued 2026-08-10 00:30:11 2026-08-10 00:45:00
Expired 2026-08-10 00:45:41 2026-08-10 00:45:00

Action: New
Issued At: 2026-08-09 23:35:39 

225 
WUUS53 KLOT 100435
SVRLOT
ILC063-099-105-100545-
/O.NEW.KLOT.SV.W.0230.260810T0435Z-260810T0545Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Chicago/Romeoville
1135 PM CDT Sun Aug 9 2026

The National Weather Service in Chicago has issued a

* Severe Thunderstorm Warning for...
  Northern Livingston County in central Illinois...
  Southeastern La Salle County in north central Illinois...
  Southern Grundy County in northeastern Illinois...

* Until 1245 AM CDT.

* At 1134 PM CDT, severe thunderstorms were located along a line
  extending from near Seneca to near South Streator, moving east at
  25 mph.

  HAZARD...70 mph wind gusts and nickel size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* Locations impacted include...
  Streator, Coal City, Marseilles, Dwight, Diamond, Seneca, Gardner,
  Odell, Mazon, South Streator, Braceville, Cullom, Cornell,
  Saunemin, South Wilmington, Godley, Ransom, Kangley, Long Point,
  Verona, Campus, Reddick, Emington, East Brooklyn, and Kinsman.

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
building.

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

&&

LAT...LON 4099 8894 4110 8893 4129 8869 4129 8825
      4085 8824
TIME...MOT...LOC 0434Z 277DEG 20KT 4124 8867 4106 8888 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Kluber
Action: Continued
Issued At: 2026-08-10 00:06:10 

954 
WWUS53 KLOT 100505
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
1205 AM CDT Mon Aug 10 2026

ILC063-099-105-100545-
/O.CON.KLOT.SV.W.0230.000000T0000Z-260810T0545Z/
Livingston IL-La Salle IL-Grundy IL-
1205 AM CDT Mon Aug 10 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR NORTHERN LIVINGSTON...SOUTHEASTERN LA SALLE AND SOUTHERN GRUNDY
COUNTIES...

At 1205 AM CDT, severe thunderstorms were located along a line
extending from near Mazon to 6 miles north of Odell to near South
Streator, moving east at 25 mph.

HAZARD...70 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings.

Locations impacted include...
Streator, Coal City, Marseilles, Dwight, Diamond, Seneca, Gardner,
Odell, Mazon, South Streator, Braceville, Cullom, Cornell, Saunemin,
South Wilmington, Godley, Ransom, Kangley, Long Point, Verona,
Campus, Reddick, Emington, East Brooklyn, and Kinsman.

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
building.

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

&&

LAT...LON 4099 8894 4110 8893 4129 8869 4129 8825
      4085 8824
TIME...MOT...LOC 0505Z 277DEG 21KT 4123 8849 4109 8857 4104 8888 

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Kluber
Action: Continued
Issued At: 2026-08-10 00:30:11 

656 
WWUS53 KLOT 100529
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
1229 AM CDT Mon Aug 10 2026

ILC063-099-105-100545-
/O.CON.KLOT.SV.W.0230.000000T0000Z-260810T0545Z/
Livingston IL-La Salle IL-Grundy IL-
1229 AM CDT Mon Aug 10 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT
FOR NORTHERN LIVINGSTON...EAST CENTRAL LA SALLE AND SOUTHERN GRUNDY
COUNTIES...

At 1229 AM CDT, severe thunderstorms were located along a line
extending from near Gardner to near Dwight to Cornell, moving
southeast at 25 mph.

HAZARD...60 mph wind gusts and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Streator, Dwight, Odell, Cullom, Cornell, Saunemin, South Wilmington,
Ransom, Campus, Reddick, Emington, and East Brooklyn.

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
building.

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

&&

LAT...LON 4097 8882 4113 8882 4117 8859 4118 8825
      4085 8824
TIME...MOT...LOC 0529Z 301DEG 21KT 4113 8829 4103 8839 4099 8873 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.88 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Kluber
Action: Expired
Issued At: 2026-08-10 00:45:41 

111 
WWUS53 KLOT 100545
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
1245 AM CDT Mon Aug 10 2026

ILC063-099-105-100554-
/O.EXP.KLOT.SV.W.0230.000000T0000Z-260810T0545Z/
Livingston IL-La Salle IL-Grundy IL-
1245 AM CDT Mon Aug 10 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN LIVINGSTON...EAST
CENTRAL LA SALLE AND SOUTHERN GRUNDY COUNTIES WILL EXPIRE AT 1245 AM
CDT...

A new Severe Thunderstorm Warning has replaced the expiring warning. 
The new warning is in effect until 145 AM CDT.

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

&&

LAT...LON 4097 8882 4113 8882 4117 8859 4118 8825
      4085 8824
TIME...MOT...LOC 0544Z 277DEG 20KT 4112 8819 4102 8829 4098 8863 

$$

Kluber

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