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Home Tornado Warning 0017 Issued by the Chicago Forecast Office
Action: New Issued At: 2026-04-17 19:09:47
026
WFUS53 KLOT 180009
TORLOT
ILC007-201-180045-
/O.NEW.KLOT.TO.W.0017.260418T0009Z-260418T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Chicago/Romeoville
709 PM CDT Fri Apr 17 2026
The National Weather Service in Chicago has issued a
* Tornado Warning for...
Northeastern Winnebago County in north central Illinois...
Northern Boone County in north central Illinois...
* Until 745 PM CDT.
* At 709 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Rockton, moving east 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.
* This dangerous storm will be near...
Loves Park, Machesney Park, Roscoe, South Beloit, Poplar Grove,
and Candlewick Lake around 715 PM CDT.
Capron around 725 PM CDT.
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 4249 8871 4234 8871 4232 8917 4249 8919
4250 8912
TIME...MOT...LOC 0009Z 267DEG 46KT 4241 8907
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Yack
Action: Continued Issued At: 2026-04-17 19:18:33
423
WWUS53 KLOT 180018
SVSLOT
Severe Weather Statement
National Weather Service Chicago/Romeoville
718 PM CDT Fri Apr 17 2026
ILC007-201-180045-
/O.CON.KLOT.TO.W.0017.000000T0000Z-260418T0045Z/
Winnebago IL-Boone IL-
718 PM CDT Fri Apr 17 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHEASTERN WINNEBAGO AND NORTHERN BOONE COUNTIES...
At 717 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Roscoe, moving east at 45 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Poplar Grove, Candlewick Lake, and Capron around 725 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4249 8871 4234 8871 4232 8906 4250 8912
TIME...MOT...LOC 0017Z 271DEG 40KT 4241 8894
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Yack
Action: Continued Issued At: 2026-04-17 19:25:33
601
WWUS53 KLOT 180025
SVSLOT
Severe Weather Statement
National Weather Service Chicago/Romeoville
725 PM CDT Fri Apr 17 2026
ILC201-180035-
/O.CAN.KLOT.TO.W.0017.000000T0000Z-260418T0045Z/
Winnebago IL-
725 PM CDT Fri Apr 17 2026
...THE TORNADO WARNING FOR NORTHEASTERN WINNEBAGO COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 800 PM CDT for north central
Illinois.
&&
LAT...LON 4249 8871 4234 8871 4233 8894 4249 8894
TIME...MOT...LOC 0025Z 267DEG 42KT 4242 8884
$$
ILC007-180045-
/O.CON.KLOT.TO.W.0017.000000T0000Z-260418T0045Z/
Boone IL-
725 PM CDT Fri Apr 17 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR NORTHERN
BOONE COUNTY...
At 725 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Poplar Grove, moving east at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Capron around 730 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4249 8871 4234 8871 4233 8894 4249 8894
TIME...MOT...LOC 0025Z 267DEG 42KT 4242 8884
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Yack
Action: Cancelled Issued At: 2026-04-17 19:25:33
601
WWUS53 KLOT 180025
SVSLOT
Severe Weather Statement
National Weather Service Chicago/Romeoville
725 PM CDT Fri Apr 17 2026
ILC201-180035-
/O.CAN.KLOT.TO.W.0017.000000T0000Z-260418T0045Z/
Winnebago IL-
725 PM CDT Fri Apr 17 2026
...THE TORNADO WARNING FOR NORTHEASTERN WINNEBAGO COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 800 PM CDT for north central
Illinois.
&&
LAT...LON 4249 8871 4234 8871 4233 8894 4249 8894
TIME...MOT...LOC 0025Z 267DEG 42KT 4242 8884
$$
ILC007-180045-
/O.CON.KLOT.TO.W.0017.000000T0000Z-260418T0045Z/
Boone IL-
725 PM CDT Fri Apr 17 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR NORTHERN
BOONE COUNTY...
At 725 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Poplar Grove, moving east at 50 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Capron around 730 PM CDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 4249 8871 4234 8871 4233 8894 4249 8894
TIME...MOT...LOC 0025Z 267DEG 42KT 4242 8884
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Yack
Action: Continued Issued At: 2026-04-17 19:34:03
026
WWUS53 KLOT 180033
SVSLOT
Severe Weather Statement
National Weather Service Chicago/Romeoville
733 PM CDT Fri Apr 17 2026
ILC007-180045-
/O.CON.KLOT.TO.W.0017.000000T0000Z-260418T0045Z/
Boone IL-
733 PM CDT Fri Apr 17 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHEASTERN BOONE COUNTY...
At 733 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Capron, or near Harvard, moving east 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.
This tornadic thunderstorm will remain over mainly rural areas of
northeastern Boone County.
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 4249 8871 4234 8871 4234 8882 4249 8887
TIME...MOT...LOC 0033Z 270DEG 46KT 4242 8871
TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN
$$
Yack
Action: Expired Issued At: 2026-04-17 19:41:03 142 WWUS53 KLOT 180040 SVSLOT Severe Weather Statement National Weather Service Chicago/Romeoville 740 PM CDT Fri Apr 17 2026 ILC007-180050- /O.EXP.KLOT.TO.W.0017.000000T0000Z-260418T0045Z/ Boone IL- 740 PM CDT Fri Apr 17 2026 ...THE TORNADO WARNING FOR NORTHEASTERN BOONE COUNTY WILL EXPIRE AT 745 PM CDT... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. A Tornado Watch remains in effect until 1000 PM CDT for north central Illinois. && LAT...LON 4249 8871 4234 8871 4234 8882 4249 8887 TIME...MOT...LOC 0040Z 267DEG 46KT 4242 8861 $$ Yack |
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