787 WUUS54 KOUN 180500 SVROUN OKC031-033-067-137-TXC077-180545- /O.NEW.KOUN.SV.W.0244.260418T0500Z-260418T0545Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Norman OK 1200 AM CDT Sat Apr 18 2026 The National Weather Service in Norman has issued a * Severe Thunderstorm Warning for... Southeastern Comanche County in southwestern Oklahoma... Western Jefferson County in southern Oklahoma... Stephens County in southern Oklahoma... Cotton County in southwestern Oklahoma... Northern Clay County in northern Texas... * Until 1245 AM CDT. * At 1200 AM CDT, the leading edge of winds from a line of severe thunderstorms was located along a line extending from near Randlett to near Waurika Lake to 7 miles east of Duncan, moving southeast at 20 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Duncan, Marlow, Walters, Waurika, Comanche, Geronimo, Bray, Temple, Ryan, Petrolia, Byers, Randlett, Hastings, Addington, Sugden, Cookietown, Waurika Lake, Corum, Central High, and Empire City. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3405 9842 3408 9842 3408 9844 3407 9845 3407 9846 3406 9848 3407 9850 3442 9863 3445 9849 3455 9834 3468 9828 3468 9767 3391 9797 TIME...MOT...LOC 0500Z 329DEG 18KT 3416 9845 3432 9810 3452 9784 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Mahale  135 WWUS53 KGRR 180504 SVSGRR Severe Weather Statement National Weather Service Grand Rapids MI 104 AM EDT Sat Apr 18 2026 MIC005-159-180530- /O.CON.KGRR.SV.W.0053.000000T0000Z-260418T0530Z/ Van Buren MI-Allegan MI- 104 AM EDT Sat Apr 18 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 AM EDT FOR VAN BUREN AND SOUTHEASTERN ALLEGAN COUNTIES... At 103 AM EDT, severe thunderstorms were located along a line extending from 5 miles northeast of Fennville to 8 miles northeast of Bangor to near Decatur, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Allegan... Paw Paw... Otsego... Plainwell... Mattawan... Lawton... Decatur... Martin... Pine Grove... Lawrence... Gobles... Hopkins... Bloomingdale... Breedsville... Bradley... Glendale... Grand Junction... Shelbyville... Kendall... PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4207 8610 4225 8609 4234 8608 4245 8608 4265 8610 4265 8555 4242 8554 4242 8576 4207 8576 TIME...MOT...LOC 0503Z 268DEG 32KT 4264 8602 4240 8600 4216 8605 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ OSTUNO  501 WWUS53 KIWX 180506 SVSIWX Severe Weather Statement National Weather Service Northern Indiana 106 AM EDT Sat Apr 18 2026 MIC021-180516- /O.CAN.KIWX.TO.W.0025.000000T0000Z-260418T0515Z/ Berrien MI- 106 AM EDT Sat Apr 18 2026 ...THE TORNADO WARNING FOR SOUTHEASTERN BERRIEN COUNTY 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 300 AM EDT for north central Indiana...and southwestern Michigan. && LAT...LON 4182 8601 4160 8592 4156 8620 4182 8621 4188 8617 TIME...MOT...LOC 0506Z 243DEG 44KT 4188 8613 4178 8606 4162 8607 $$ INC039-141-MIC027-180515- /O.CON.KIWX.TO.W.0025.000000T0000Z-260418T0515Z/ Elkhart IN-St. Joseph IN-Cass MI- 106 AM EDT Sat Apr 18 2026 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 115 AM EDT FOR NORTHWESTERN ELKHART...NORTHEASTERN ST. JOSEPH AND SOUTHWESTERN CASS COUNTIES... At 106 AM EDT, severe thunderstorms capable of producing tornadoes were located along a line extending from 6 miles west of Cassopolis to Edwardsburg to near Osceola, moving northeast at 50 mph. HAZARD...Tornado. SOURCE...Radar indicated rotation. IMPACT...Flying debris will be dangerous to those caught without shelter. Mobile homes will be damaged or destroyed. Damage to roofs, windows, and vehicles will occur. Tree damage is likely. These dangerous storms will be near... Elkhart, Dunlap, and Simonton Lake around 110 AM EDT. Other locations impacted by these tornadic storms include Jimtown, Barron Lake, Adamsville, Eagle Lake, and Woodland. This includes Interstate 80 in Indiana between mile markers 80 and 91. PRECAUTIONARY/PREPAREDNESS ACTIONS... TAKE COVER NOW! Move to a basement or an interior room on the lowest floor of a sturdy building. Avoid windows. If you are outdoors, in a mobile home, or in a vehicle, move to the closest substantial shelter and protect yourself from flying debris. Tornadoes are extremely difficult to see and confirm at night. Do not wait to see or hear the tornado. TAKE COVER NOW! && LAT...LON 4182 8601 4160 8592 4156 8620 4182 8621 4188 8617 TIME...MOT...LOC 0506Z 243DEG 44KT 4188 8613 4178 8606 4162 8607 TORNADO...RADAR INDICATED MAX HAIL SIZE...<.75 IN $$ CLH  028 WWUS53 KIWX 180511 SVSIWX Severe Weather Statement National Weather Service Northern Indiana 111 AM EDT Sat Apr 18 2026 INC039-141-MIC027-180520- /O.EXP.KIWX.TO.W.0025.000000T0000Z-260418T0515Z/ Elkhart IN-St. Joseph IN-Cass MI- 111 AM EDT Sat Apr 18 2026 ...THE TORNADO WARNING FOR NORTHWESTERN ELKHART...NORTHEASTERN ST. JOSEPH AND SOUTHWESTERN CASS COUNTIES WILL EXPIRE AT 115 AM EDT... 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 300 AM EDT for north central Indiana...and southwestern Michigan. To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service Northern Indiana. && LAT...LON 4182 8601 4160 8592 4156 8620 4182 8621 4188 8617 TIME...MOT...LOC 0510Z 235DEG 46KT 4190 8609 4180 8602 4164 8603 $$ CLH  494 WWUS53 KIWX 180511 RRA SVSIWX Severe Weather Statement National Weather Service Northern Indiana 111 AM EDT Sat Apr 18 2026 INC099-MIC021-180521- /O.CAN.KIWX.SV.W.0119.000000T0000Z-260418T0545Z/ Marshall IN-Berrien MI- 111 AM EDT Sat Apr 18 2026 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MARSHALL AND SOUTHEASTERN BERRIEN COUNTIES IS CANCELLED... The storms which prompted the warning have weakened. Therefore, the warning has been cancelled. A Tornado Watch remains in effect until 300 AM EDT for north central Indiana...and southwestern Michigan. && LAT...LON 4207 8566 4141 8566 4128 8605 4148 8606 4148 8608 4175 8607 4197 8623 4207 8622 TIME...MOT...LOC 0511Z 240DEG 47KT 4205 8614 4150 8605 4132 8601 $$ INC039-085-141-MIC027-149-180545- /O.CON.KIWX.SV.W.0119.000000T0000Z-260418T0545Z/ Elkhart IN-St. Joseph IN-Kosciusko IN-Cass MI-St. Joseph MI- 111 AM EDT Sat Apr 18 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM EDT FOR ELKHART...NORTHEASTERN ST. JOSEPH...NORTHERN KOSCIUSKO...CASS AND WESTERN ST. JOSEPH COUNTIES... At 111 AM EDT, severe thunderstorms were located along a line extending from near Dowagiac to near Wakarusa to near Bourbon, moving northeast at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Elkhart, Goshen, Nappanee, Dowagiac, Syracuse, Dunlap, Simonton Lake, Granger, Middlebury, Osceola, Constantine, Cassopolis, Wakarusa, Bristol, Milford, White Pigeon, Edwardsburg, Marcellus, Millersburg, and New Paris. This includes Interstate 80 in Indiana between mile markers 87 and 108. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 300 AM EDT for north central Indiana...and southwestern Michigan. 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. && LAT...LON 4207 8566 4141 8566 4128 8605 4148 8606 4148 8608 4175 8607 4197 8623 4207 8622 TIME...MOT...LOC 0511Z 240DEG 47KT 4205 8614 4150 8605 4132 8601 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MCS  797 WWUS53 KIWX 180513 SVSIWX Severe Weather Statement National Weather Service Northern Indiana 113 AM EDT Sat Apr 18 2026 INC049-099-141-MIC021-027-180522- /O.CAN.KIWX.SV.W.0118.000000T0000Z-260418T0530Z/ St. Joseph IN-Fulton IN-Marshall IN-Cass MI-Berrien MI- 113 AM EDT Sat Apr 18 2026 ...THE SEVERE THUNDERSTORM WARNING FOR ST. JOSEPH...NORTHWESTERN FULTON...MARSHALL...WESTERN CASS AND BERRIEN COUNTIES IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. A Tornado Watch remains in effect until 300 AM EDT for north central and northwestern Indiana...and southwestern Michigan. && LAT...LON 4207 8622 4207 8607 4117 8608 4111 8641 4156 8650 4165 8649 4165 8652 4176 8652 4193 8658 4211 8649 4224 8637 4224 8623 TIME...MOT...LOC 0510Z 246DEG 48KT 4221 8613 4128 8591 $$ MCS  031 WUUS54 KOUN 180513 SVROUN OKC031-051-137-180600- /O.NEW.KOUN.SV.W.0245.260418T0513Z-260418T0600Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Norman OK 1213 AM CDT Sat Apr 18 2026 The National Weather Service in Norman has issued a * Severe Thunderstorm Warning for... Northeastern Comanche County in southwestern Oklahoma... Southwestern Grady County in central Oklahoma... Northwestern Stephens County in southern Oklahoma... * Until 100 AM CDT. * At 1212 AM CDT, a severe thunderstorm was located over western Fort Sill, moving east at 45 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Lawton, Cache, Elgin, Fletcher, Sterling, Medicine Park, Meers, Lake Lawtonka, Fort Sill, Lake Ellsworth, Central High, Acme, and eastern Wichita Mountains Wildlife Refuge. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3457 9863 3483 9867 3486 9800 3451 9808 TIME...MOT...LOC 0512Z 264DEG 40KT 3469 9857 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Mahale  047 WWUS53 KGRR 180528 SVSGRR Severe Weather Statement National Weather Service Grand Rapids MI 128 AM EDT Sat Apr 18 2026 MIC005-159-180538- /O.EXP.KGRR.SV.W.0053.000000T0000Z-260418T0530Z/ Van Buren MI-Allegan MI- 128 AM EDT Sat Apr 18 2026 ...THE SEVERE THUNDERSTORM WARNING FOR VAN BUREN AND SOUTHEASTERN ALLEGAN COUNTIES WILL EXPIRE AT 130 AM EDT... The storms which prompted the warning have weakened below severe limits, and have exited the warned area. Therefore, the warning will be allowed to expire. LAT...LON 4207 8610 4225 8609 4234 8608 4245 8608 4265 8610 4265 8555 4242 8554 4242 8576 4207 8576 TIME...MOT...LOC 0528Z 240DEG 53KT 4280 8564 4256 8562 4232 8567 $$ OSTUNO  325 WWUS53 KIWX 180529 SVSIWX Severe Weather Statement National Weather Service Northern Indiana 129 AM EDT Sat Apr 18 2026 INC085-141-180539- /O.CAN.KIWX.SV.W.0119.000000T0000Z-260418T0545Z/ St. Joseph IN-Kosciusko IN- 129 AM EDT Sat Apr 18 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ST. JOSEPH AND NORTHERN KOSCIUSKO COUNTIES IS CANCELLED... The storms which prompted the warning have weakened. Therefore, the warning has been cancelled. A Tornado Watch remains in effect until 300 AM EDT for north central Indiana...and southwestern Michigan. && LAT...LON 4207 8566 4144 8566 4144 8589 4150 8589 4174 8595 4196 8590 4207 8592 TIME...MOT...LOC 0529Z 232DEG 39KT 4214 8584 4161 8587 4143 8582 $$ INC039-MIC027-149-180545- /O.CON.KIWX.SV.W.0119.000000T0000Z-260418T0545Z/ Elkhart IN-Cass MI-St. Joseph MI- 129 AM EDT Sat Apr 18 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM EDT FOR ELKHART...EASTERN CASS AND WESTERN ST. JOSEPH COUNTIES... At 129 AM EDT, severe thunderstorms were located along a line extending from Lawton to near Goshen to near Syracuse, moving northeast at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Elkhart, Goshen, Dunlap, Simonton Lake, Middlebury, Constantine, Bristol, White Pigeon, Marcellus, Millersburg, New Paris, Benton, Union, Mottville, Vandalia, Paradise Lake, Donnell Lake, Jones, Corey Lake, and Shavehead Lake. This includes Interstate 80 in Indiana between mile markers 93 and 108. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Tornado Watch remains in effect until 300 AM EDT for north central Indiana...and southwestern Michigan. A tornado watch remains in effect for the warned area. Tornadoes can develop quickly from severe thunderstorms. Although a tornado is not immediately likely, if one is spotted act quickly and move to a place of safety inside a sturdy structure, such as a basement or small interior room. For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4207 8566 4144 8566 4144 8589 4150 8589 4174 8595 4196 8590 4207 8592 TIME...MOT...LOC 0529Z 232DEG 39KT 4214 8584 4161 8587 4143 8582 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ MCS  738 WWUS53 KIWX 180542 SVSIWX Severe Weather Statement National Weather Service Northern Indiana 142 AM EDT Sat Apr 18 2026 INC039-MIC027-149-180552- /O.EXP.KIWX.SV.W.0119.000000T0000Z-260418T0545Z/ Elkhart IN-Cass MI-St. Joseph MI- 142 AM EDT Sat Apr 18 2026 ...THE SEVERE THUNDERSTORM WARNING FOR ELKHART...EASTERN CASS AND WESTERN ST. JOSEPH COUNTIES WILL EXPIRE AT 145 AM EDT... The storms which prompted the warning have weakened below severe limits, and have exited the warned area. Therefore, the warning will be allowed to expire. A Tornado Watch remains in effect until 300 AM EDT for north central Indiana...and southwestern Michigan. && LAT...LON 4207 8566 4144 8566 4144 8589 4150 8589 4174 8595 4196 8590 4207 8592 TIME...MOT...LOC 0542Z 239DEG 42KT 4222 8567 4169 8570 4151 8565 $$ MCS