395 
WFUS53 KLOT 180331
TORLOT
ILC031-197-INC089-180400-
/O.NEW.KLOT.TO.W.0028.260418T0331Z-260418T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Chicago/Romeoville
1031 PM CDT Fri Apr 17 2026

The National Weather Service in Chicago has issued a

* Tornado Warning for...
  Northeast Will County in northeastern Illinois...
  Southeastern Cook County in northeastern Illinois...
  Central Lake County in northwestern Indiana...

* Until 1100 PM CDT.

* At 1031 PM CDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located
  along a line extending from Steger to near St. John, moving
  northeast 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.

* These dangerous storms will be near...
  Merrillville, Chicago Heights, Schererville, Crown Point, Munster, 
  Steger, Dyer, St. John, Sauk Village, and Lynwood around 1035 PM 
  CDT.
  Hammond, Gary, Hobart, Highland, and Griffith around 1040 PM CDT.
  Lake Station around 1045 PM CDT.
  Portage and New Chicago around 1050 PM CDT.

Other locations impacted by these tornadic storms include South
Chicago Heights.

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 4138 8756 4145 8768 4163 8738 4162 8732
      4162 8722 4145 8722
TIME...MOT...LOC 0331Z 243DEG 46KT 4145 8764 4139 8754 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Izzi

785 
WWUS53 KLOT 180345
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
1045 PM CDT Fri Apr 17 2026

ILC031-197-180355-
/O.CAN.KLOT.TO.W.0028.000000T0000Z-260418T0400Z/
Will IL-Cook IL-
1045 PM CDT Fri Apr 17 2026

...THE TORNADO WARNING FOR EAST CENTRAL WILL AND SOUTHEASTERN COOK
COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until midnight CDT for northwestern
Indiana.

&&

LAT...LON 4142 8740 4156 8750 4163 8738 4162 8732
      4162 8722 4145 8722
TIME...MOT...LOC 0345Z 244DEG 48KT 4152 8742 4146 8732 

$$

INC089-180400-
/O.CON.KLOT.TO.W.0028.000000T0000Z-260418T0400Z/
Lake IN-
1045 PM CDT Fri Apr 17 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR NORTHERN
LAKE COUNTY...

At 1045 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located along a
line extending from Griffith to Merrillville, moving northeast 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.

These dangerous storms will be near...
  Gary, Portage, Merrillville, Hobart, Lake Station, and New Chicago 
  around 1050 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 4142 8740 4156 8750 4163 8738 4162 8732
      4162 8722 4145 8722
TIME...MOT...LOC 0345Z 244DEG 48KT 4152 8742 4146 8732 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Birk

785 
WWUS53 KLOT 180345
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
1045 PM CDT Fri Apr 17 2026

ILC031-197-180355-
/O.CAN.KLOT.TO.W.0028.000000T0000Z-260418T0400Z/
Will IL-Cook IL-
1045 PM CDT Fri Apr 17 2026

...THE TORNADO WARNING FOR EAST CENTRAL WILL AND SOUTHEASTERN COOK
COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until midnight CDT for northwestern
Indiana.

&&

LAT...LON 4142 8740 4156 8750 4163 8738 4162 8732
      4162 8722 4145 8722
TIME...MOT...LOC 0345Z 244DEG 48KT 4152 8742 4146 8732 

$$

INC089-180400-
/O.CON.KLOT.TO.W.0028.000000T0000Z-260418T0400Z/
Lake IN-
1045 PM CDT Fri Apr 17 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR NORTHERN
LAKE COUNTY...

At 1045 PM CDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located along a
line extending from Griffith to Merrillville, moving northeast 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.

These dangerous storms will be near...
  Gary, Portage, Merrillville, Hobart, Lake Station, and New Chicago 
  around 1050 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 4142 8740 4156 8750 4163 8738 4162 8732
      4162 8722 4145 8722
TIME...MOT...LOC 0345Z 244DEG 48KT 4152 8742 4146 8732 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...0.00 IN

$$

Birk

895 
WWUS53 KLOT 180355
SVSLOT

Severe Weather Statement
National Weather Service Chicago/Romeoville
1055 PM CDT Fri Apr 17 2026

INC089-180405-
/O.EXP.KLOT.TO.W.0028.000000T0000Z-260418T0400Z/
Lake IN-
1055 PM CDT Fri Apr 17 2026

...THE TORNADO WARNING FOR NORTHERN LAKE COUNTY WILL EXPIRE AT 1100
PM CDT...

The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until midnight CDT for northwestern
Indiana.

&&

LAT...LON 4142 8740 4156 8750 4163 8738 4162 8732
      4162 8722 4145 8722
TIME...MOT...LOC 0355Z 243DEG 46KT 4157 8729 4151 8719 

$$

Birk