579 WUUS53 KLOT 030412 SVRLOT INC089-127-030545- /O.NEW.KLOT.SV.W.0069.260403T0412Z-260403T0545Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Chicago/Romeoville 1112 PM CDT Thu Apr 2 2026 The National Weather Service in Chicago has issued a * Severe Thunderstorm Warning for... Northern Porter County in northwestern Indiana... Lake County in northwestern Indiana... * Until 1245 AM CDT. * At 1112 PM CDT, severe thunderstorms were located along a line extending from near South Shore to Chicago Heights to 6 miles southeast of Manhattan, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Severe thunderstorms will be near... Hammond, Gary, East Chicago, Highland, Munster, Dyer, and Whiting around 1115 PM CDT. Schererville, Griffith, and St. John around 1120 PM CDT. Merrillville around 1125 PM CDT. Hobart, Lake Station, and New Chicago around 1135 PM CDT. Portage, Crown Point, Cedar Lake, and Ogden Dunes around 1140 PM CDT. Burns Harbor around 1145 PM CDT. Chesterton, South Haven, and Porter around 1150 PM CDT. Winfield and Beverly Shores around 1155 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4130 8753 4171 8752 4167 8747 4167 8744 4168 8743 4167 8742 4165 8744 4164 8743 4162 8728 4163 8716 4165 8715 4165 8710 4171 8693 4146 8693 TIME...MOT...LOC 0412Z 257DEG 32KT 4174 8751 4150 8765 4134 8794 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Izzi  734 WWUS53 KLOT 030413 SVSLOT Severe Weather Statement National Weather Service Chicago/Romeoville 1113 PM CDT Thu Apr 2 2026 ILC063-030423- /O.CAN.KLOT.SV.W.0068.000000T0000Z-260403T0500Z/ Grundy IL- 1113 PM CDT Thu Apr 2 2026 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL GRUNDY COUNTY IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. && LAT...LON 4120 8824 4127 8821 4132 8810 4167 8764 4169 8753 4129 8753 4121 8766 TIME...MOT...LOC 0413Z 258DEG 33KT 4158 8760 4149 8768 4139 8779 4126 8808 $$ ILC031-091-197-030500- /O.CON.KLOT.SV.W.0068.000000T0000Z-260403T0500Z/ Will IL-Kankakee IL-Cook IL- 1113 PM CDT Thu Apr 2 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR SOUTHERN WILL...NORTHEASTERN KANKAKEE AND SOUTHEASTERN COOK COUNTIES... At 1113 PM CDT, severe thunderstorms were located along a line extending from Thornton to Park Forest to near Monee to near Lakewood Shores, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Calumet City, Chicago Heights, Lansing, Park Forest, Steger, Manteno, Peotone, South Holland, Sauk Village, and Lynwood around 1120 PM CDT. Beecher around 1125 PM CDT. Other locations impacted by these severe thunderstorms include Hegewisch, Symerton, Riverdale, East Hazel Crest, Burnham, South Chicago Heights, Wilton Center, West Pullman, Calumet Park, and East Side. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4120 8824 4127 8821 4132 8810 4167 8764 4169 8753 4129 8753 4121 8766 TIME...MOT...LOC 0413Z 258DEG 33KT 4158 8760 4149 8768 4139 8779 4126 8808 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Izzi  661 WWUS53 KLOT 030414 SVSLOT Severe Weather Statement National Weather Service Chicago/Romeoville 1114 PM CDT Thu Apr 2 2026 ILC031-030424- /O.EXP.KLOT.SV.W.0067.000000T0000Z-260403T0415Z/ Cook IL- 1114 PM CDT Thu Apr 2 2026 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL COOK COUNTY WILL EXPIRE AT 1115 PM CDT... The storms which prompted the warning have moved out of the area. Therefore, the warning will be allowed to expire. However, a Severe Thunderstorm Warning still remains in effect for southeastern Cook County until midnight CDT. && LAT...LON 4183 8760 4178 8756 4176 8756 4176 8754 4174 8753 4168 8753 4163 8782 4175 8766 TIME...MOT...LOC 0414Z 245DEG 44KT 4209 8718 4171 8744 $$ Izzi  205 FZUS73 KLOT 030418 MWSLOT Marine Weather Statement National Weather Service Chicago/Romeoville 1118 PM CDT Thu Apr 2 2026 LMZ740-741-030426- /O.CAN.KLOT.MA.W.0018.000000T0000Z-260403T0500Z/ 1118 PM CDT Thu Apr 2 2026 ...THE SPECIAL MARINE WARNING IS CANCELLED... The affected areas were... Nearshore Waters from Winthrop Harbor to Northerly Island... The thunderstorms have moved out of the warned area and no longer pose a significant threat to boaters. && LAT...LON 4162 8733 4164 8743 4168 8743 4167 8747 4171 8753 4177 8756 4210 8718 4230 8718 4235 8700 4213 8696 4179 8697 4179 8696 4172 8691 4163 8716 4162 8732 4161 8733 TIME...MOT...LOC 0416Z 244DEG 44KT 4223 8717 4211 8715 4168 8754 $$ LMZ742>745-777-779-030500- /O.CON.KLOT.MA.W.0018.000000T0000Z-260403T0500Z/ 1118 PM CDT Thu Apr 2 2026 ...A SPECIAL MARINE WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT... For the following areas... Nearshore Waters from Northerly Island to Calumet Harbor... Nearshore Waters from Calumet Harbor to Michigan City... Open Waters from Winthrop Harbor to Michigan City out to Mid Lake... At 1116 PM CDT, severe thunderstorms were located along a line extending from 24 nm east of Wilmette Harbor to 22 nm northeast of Harrison-Dever Crib to Hammond Marina, moving northeast at 45 knots. HAZARD...Wind gusts in excess of 50 knots. SOURCE...Radar indicated. IMPACT...Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. Severe thunderstorms will be near... Indiana Harbor, Calumet Harbor, and Hammond Marina around 1120 PM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 1100 PM CDT for northeastern Illinois. LAT...LON 4162 8733 4164 8743 4168 8743 4167 8747 4171 8753 4177 8756 4210 8718 4230 8718 4235 8700 4213 8696 4179 8697 4179 8696 4172 8691 4163 8716 4162 8732 4161 8733 TIME...MOT...LOC 0416Z 244DEG 44KT 4223 8717 4211 8715 4168 8754 HAIL...0.00IN WIND...50KTS $$ Izzi  745 WWUS53 KLOT 030432 SVSLOT Severe Weather Statement National Weather Service Chicago/Romeoville 1132 PM CDT Thu Apr 2 2026 ILC031-091-197-030500- /O.CON.KLOT.SV.W.0068.000000T0000Z-260403T0500Z/ Will IL-Kankakee IL-Cook IL- 1132 PM CDT Thu Apr 2 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR SOUTHEASTERN WILL...NORTHEASTERN KANKAKEE AND SOUTHEASTERN COOK COUNTIES... At 1131 PM CDT, severe thunderstorms were located along a line extending from Lynwood to University Park to Peotone to 7 miles east of Lakewood Shores, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. These severe storms will be near... Chicago Heights, Lansing, Park Forest, Steger, Manteno, Peotone, Sauk Village, Lynwood, Glenwood, and Crete around 1135 PM CDT. Other locations impacted by these severe thunderstorms include East Hazel Crest, Burnham, South Chicago Heights, Wilton Center, and Hegewisch. 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 4127 8757 4124 8808 4130 8809 4138 8790 4165 8756 4165 8753 4129 8753 TIME...MOT...LOC 0431Z 253DEG 36KT 4152 8756 4143 8768 4136 8781 4126 8799 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Petr  489 WWUS53 KLOT 030435 SVSLOT Severe Weather Statement National Weather Service Chicago/Romeoville 1135 PM CDT Thu Apr 2 2026 INC089-127-030545- /O.CON.KLOT.SV.W.0069.000000T0000Z-260403T0545Z/ Porter IN-Lake IN- 1135 PM CDT Thu Apr 2 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1245 AM CDT FOR NORTHERN PORTER AND LAKE COUNTIES... At 1135 PM CDT, severe thunderstorms were located along a line extending from near East Chicago to Sauk Village to near Peotone, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Hammond, Gary, Merrillville, East Chicago, Schererville, Hobart, Highland, Munster, Griffith, Dyer, Portage, New Chicago, Ogden Dunes, Crown Point, Burns Harbor, Cedar Lake, Porter, Chesterton, South Haven, Beverly Shores, Town of Pines, Winfield and Valparaiso. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4165 8752 4167 8745 4167 8744 4168 8743 4167 8742 4165 8744 4164 8743 4162 8728 4163 8716 4165 8715 4165 8710 4171 8693 4146 8693 4130 8753 TIME...MOT...LOC 0435Z 250DEG 36KT 4162 8740 4149 8756 4136 8777 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Petr  309 WHUS53 KIWX 030439 SMWIWX LMZ043-046-080-030530- /O.NEW.KIWX.MA.W.0008.260403T0439Z-260403T0530Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Northern Indiana 1239 AM EDT Fri Apr 3 2026 The National Weather Service in Northern Indiana has issued a * Special Marine Warning for... Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.... Michigan City IN to New Buffalo MI... New Buffalo MI to St Joseph MI... * Until 130 AM EDT. * At 1238 AM EDT, a strong thunderstorm was located 12 nm northwest of New Buffalo, or 14 nm north of Michigan City, moving northeast at 50 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... New Buffalo and Michigan City. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 4179 8696 4179 8697 4208 8696 4213 8687 4213 8657 4211 8649 4194 8658 4189 8662 4180 8675 4179 8676 4172 8691 TIME...MOT...LOC 0438Z 246DEG 50KT 4194 8696 HAIL...0.00IN WIND...40KTS $$ NWS  374 WHUS53 KLOT 030458 SMWLOT LMZ744-745-779-030545- /O.NEW.KLOT.MA.W.0019.260403T0458Z-260403T0545Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service Chicago/Romeoville 1158 PM CDT Thu Apr 2 2026 The National Weather Service in Chicago has issued a * Special Marine Warning for... Nearshore Waters from Gary to Michigan City... Open Waters from Wilmette Harbor to Michigan City out to Mid Lake... * Until 1245 AM CDT. * At 1157 PM CDT, strong thunderstorms were located along a line extending from near Burns Harbor to near Gary, moving northeast at 45 knots. HAZARD...Wind gusts to 40 knots. SOURCE...Radar. IMPACT...Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include... Burns Harbor and Marina Shores at Dune Harbor. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor immediately as gusty winds and high waves are expected. && LAT...LON 4162 8733 4163 8736 4169 8732 4175 8725 4187 8697 4179 8697 4179 8696 4172 8691 4166 8709 4164 8712 4165 8714 4164 8715 4164 8716 4163 8716 4164 8719 4162 8727 4162 8732 4161 8732 TIME...MOT...LOC 0457Z 240DEG 47KT 4169 8708 4154 8737 HAIL...0.00IN WIND...40KTS $$ Petr