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Home Return to list Tornado Warning 0076 Issued by the Chicago Forecast Office
Action: New Issued At: 2026-08-12 08:37:28
426
WFUS53 KLOT 121337
TORLOT
ILC099-121415-
/O.NEW.KLOT.TO.W.0076.260812T1337Z-260812T1415Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Chicago/Romeoville
837 AM CDT Wed Aug 12 2026
The National Weather Service in Chicago has issued a
* Tornado Warning for...
Northern La Salle County in north central Illinois...
* Until 915 AM CDT.
* At 836 AM CDT, severe thunderstorms capable of producing both
tornadoes and extensive straight line wind damage were located near
Mendota, moving east at 50 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...
Serena around 900 AM CDT.
Other locations impacted by this tornadic thunderstorm include
Prairie Center, Norway, Triumph, Millington, Harding, Troy Grove,
Dayton, and Wedron.
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 4163 8917 4163 8860 4132 8859 4135 8917
TIME...MOT...LOC 1336Z 276DEG 44KT 4148 8917
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Izzi
Action: Continued Issued At: 2026-08-12 08:47:13
783
WWUS53 KLOT 121346 RRA
SVSLOT
Severe Weather Statement
National Weather Service Chicago/Romeoville
846 AM CDT Wed Aug 12 2026
ILC099-121415-
/O.CON.KLOT.TO.W.0076.000000T0000Z-260812T1415Z/
La Salle IL-
846 AM CDT Wed Aug 12 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 AM CDT FOR NORTHERN
LA SALLE COUNTY...
At 846 AM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located 7 miles
southeast of Mendota, moving east at 45 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
These dangerous storms will be near...
Serena around 900 AM CDT.
Other locations impacted by this tornadic thunderstorm include
Prairie Center, Norway, Triumph, Millington, Harding, Troy Grove,
Dayton, and Wedron.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 4163 8917 4163 8860 4132 8859 4135 8913
TIME...MOT...LOC 1346Z 275DEG 41KT 4147 8903
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Izzi
Action: Continued Issued At: 2026-08-12 08:57:13
918
WWUS53 KLOT 121356
SVSLOT
Severe Weather Statement
National Weather Service Chicago/Romeoville
856 AM CDT Wed Aug 12 2026
ILC099-121415-
/O.CON.KLOT.TO.W.0076.000000T0000Z-260812T1415Z/
La Salle IL-
856 AM CDT Wed Aug 12 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 AM CDT FOR
NORTHEASTERN LA SALLE COUNTY...
At 856 AM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located near
Ottawa, moving east at 45 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...
Ottawa around 900 AM CDT.
Other locations impacted by this tornadic thunderstorm include
Prairie Center, Millington, Harding, Norway, Dayton, and Wedron.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 4163 8898 4163 8860 4132 8859 4134 8896
TIME...MOT...LOC 1356Z 278DEG 41KT 4144 8889
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Izzi
Action: Continued Issued At: 2026-08-12 09:07:14
257
WWUS53 KLOT 121407
SVSLOT
Severe Weather Statement
National Weather Service Chicago/Romeoville
907 AM CDT Wed Aug 12 2026
ILC099-121415-
/O.CON.KLOT.TO.W.0076.000000T0000Z-260812T1415Z/
La Salle IL-
907 AM CDT Wed Aug 12 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 915 AM CDT FOR
NORTHEASTERN LA SALLE COUNTY...
At 907 AM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located over
Leland, or near Sheridan, moving east at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
These dangerous storms will be near...
Sheridan, Lake Holiday, and Somonauk around 910 AM CDT.
Other locations impacted by this tornadic thunderstorm include
Millington, Norway, Dayton, and Wedron.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.
&&
LAT...LON 4163 8883 4163 8860 4132 8859 4133 8879
TIME...MOT...LOC 1407Z 271DEG 44KT 4159 8876
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Izzi
Action: Expired Issued At: 2026-08-12 09:14:59 643 WWUS53 KLOT 121414 SVSLOT Severe Weather Statement National Weather Service Chicago/Romeoville 914 AM CDT Wed Aug 12 2026 ILC099-121422- /O.EXP.KLOT.TO.W.0076.000000T0000Z-260812T1415Z/ La Salle IL- 914 AM CDT Wed Aug 12 2026 ...THE TORNADO WARNING FOR NORTHEASTERN LA SALLE COUNTY WILL EXPIRE AT 915 AM CDT... The circulation within the line of severe storms has weakened and a tornado no longer appears imminent, therefore, the warning will be allowed to expire. A Severe Thunderstorm Watch remains in effect until 100 PM CDT for north central and northeastern Illinois. Remember, a Severe Thunderstorm Warning still remains in effect for eastern LaSalle County until 945 AM CDT. && LAT...LON 4163 8883 4163 8860 4132 8859 4133 8879 TIME...MOT...LOC 1412Z 276DEG 44KT 4159 8872 $$ Izzi | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||