673 WUUS53 KOAX 150501 SVROAX NEC055-155-150530- /O.NEW.KOAX.SV.W.0425.260915T0501Z-260915T0530Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Omaha/Valley Nebraska 1201 AM CDT Tue Sep 15 2026 The National Weather Service in Omaha has issued a * Severe Thunderstorm Warning for... Northwestern Douglas County in east central Nebraska... Northeastern Saunders County in east central Nebraska... * Until 1230 AM CDT. * At 1158 PM CDT, a severe thunderstorm was located over Valley, or 5 miles northwest of Elkhorn, moving northeast at 10 mph. HAZARD...60 mph wind gusts. SOURCE...National Weather Service office in Valley measured 58 MPH wind gust. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will be near... Elkhorn and Waterloo around 1205 AM CDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4125 9638 4133 9644 4140 9625 4139 9624 4126 9621 TIME...MOT...LOC 0458Z 236DEG 10KT 4131 9633 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$ Chehak  349 WUUS53 KOAX 150507 SVROAX IAC155-150530- /O.NEW.KOAX.SV.W.0426.260915T0507Z-260915T0530Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Omaha/Valley Nebraska 1207 AM CDT Tue Sep 15 2026 The National Weather Service in Omaha has issued a * Severe Thunderstorm Warning for... Northwestern Pottawattamie County in southwestern Iowa... * Until 1230 AM CDT. * At 1207 AM CDT, a severe thunderstorm was located near Underwood, or 15 miles northeast of Council Bluffs, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will be near... Neola around 1210 AM CDT. Minden around 1215 AM CDT. Shelby around 1225 AM CDT. This includes the following highways... Interstate 29 between mile markers 71 and 72. Interstate 80 in Iowa between mile markers 17 and 34. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4137 9588 4151 9591 4150 9542 4133 9538 TIME...MOT...LOC 0507Z 248DEG 28KT 4139 9563 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Chehak  893 WWUS53 KOAX 150510 SVSOAX Severe Weather Statement National Weather Service Omaha/Valley Nebraska 1210 AM CDT Tue Sep 15 2026 NEC055-155-150519- /O.CAN.KOAX.SV.W.0425.000000T0000Z-260915T0530Z/ Douglas NE-Saunders NE- 1210 AM CDT Tue Sep 15 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN DOUGLAS AND NORTHEASTERN SAUNDERS COUNTIES IS CANCELLED... The storm which prompted the warning has moved out of the area. Therefore, the warning has been cancelled. && LAT...LON 4125 9638 4133 9644 4140 9625 4139 9624 4126 9621 TIME...MOT...LOC 0507Z 236DEG 10KT 4133 9629 $$ Chehak  899 WGUS75 KTWC 150511 FFSTWC Flash Flood Statement National Weather Service Tucson AZ 1011 PM MST Mon Sep 14 2026 AZC003-150521- /O.EXP.KTWC.FF.W.0216.000000T0000Z-260915T0515Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Cochise AZ- 1011 PM MST Mon Sep 14 2026 ...FLASH FLOOD WARNING WILL EXPIRE AT 1015 PM MST THIS EVENING FOR WEST CENTRAL COCHISE COUNTY... The heavy rain has ended. Flash flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. A Flood Watch remains in effect until 1100 PM MST for a portion of Southeast Arizona. && LAT...LON 3204 11003 3190 11027 3174 11011 3180 10998 3198 10998 $$ GLZ  221 WWUS53 KOAX 150518 SVSOAX Severe Weather Statement National Weather Service Omaha/Valley Nebraska 1218 AM CDT Tue Sep 15 2026 IAC155-150530- /O.CON.KOAX.SV.W.0426.000000T0000Z-260915T0530Z/ Pottawattamie IA- 1218 AM CDT Tue Sep 15 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT FOR NORTH CENTRAL POTTAWATTAMIE COUNTY... At 1218 AM CDT, a severe thunderstorm was located near Minden, or 18 miles southwest of Harlan, moving northeast at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe storm will be near... Shelby around 1225 AM CDT. This includes Interstate 80 in Iowa between mile markers 17 and 34. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4138 9576 4151 9576 4150 9542 4133 9538 4137 9565 TIME...MOT...LOC 0518Z 243DEG 26KT 4143 9554 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Chehak  237 WUUS53 KOAX 150522 SVROAX IAC155-NEC055-177-150600- /O.NEW.KOAX.SV.W.0427.260915T0522Z-260915T0600Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Omaha/Valley Nebraska 1222 AM CDT Tue Sep 15 2026 The National Weather Service in Omaha has issued a * Severe Thunderstorm Warning for... Northwestern Pottawattamie County in southwestern Iowa... Southeastern Washington County in east central Nebraska... Northeastern Douglas County in east central Nebraska... * Until 100 AM CDT. * At 1222 AM CDT, a severe thunderstorm was located near Florence, or 7 miles northwest of Omaha, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will be near... Northeastern Omaha and Crescent around 1230 AM CDT. This includes Interstate 29 between mile markers 61 and 68. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4131 9611 4140 9612 4149 9573 4132 9572 TIME...MOT...LOC 0522Z 257DEG 29KT 4135 9601 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Chehak  226 WWUS53 KOAX 150526 SVSOAX Severe Weather Statement National Weather Service Omaha/Valley Nebraska 1226 AM CDT Tue Sep 15 2026 IAC155-150536- /O.EXP.KOAX.SV.W.0426.000000T0000Z-260915T0530Z/ Pottawattamie IA- 1226 AM CDT Tue Sep 15 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL POTTAWATTAMIE COUNTY WILL EXPIRE AT 1230 AM CDT... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, gusty winds and heavy rain are still possible with this thunderstorm. && LAT...LON 4138 9576 4151 9576 4150 9542 4133 9538 4137 9565 TIME...MOT...LOC 0526Z 248DEG 28KT 4145 9548 $$ Chehak  436 WWUS53 KOAX 150537 SVSOAX Severe Weather Statement National Weather Service Omaha/Valley Nebraska 1237 AM CDT Tue Sep 15 2026 IAC155-NEC055-177-150600- /O.CON.KOAX.SV.W.0427.000000T0000Z-260915T0600Z/ Pottawattamie IA-Washington NE-Douglas NE- 1237 AM CDT Tue Sep 15 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT FOR NORTHWESTERN POTTAWATTAMIE...SOUTHEASTERN WASHINGTON AND NORTHEASTERN DOUGLAS COUNTIES... At 1236 AM CDT, a severe thunderstorm was located near Crescent, or 10 miles northeast of Omaha, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...A personal weather station measured a 60 mph wind gust. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of northwestern Pottawattamie, southeastern Washington and northeastern Douglas Counties, including the following locations... Weston and Hitchcock Nature Center. This includes Interstate 29 between mile markers 61 and 68. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4135 9603 4141 9607 4149 9573 4132 9572 TIME...MOT...LOC 0536Z 258DEG 36KT 4139 9583 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$ Chehak  680 WUUS53 KOAX 150538 SVROAX IAC085-155-NEC055-177-150615- /O.NEW.KOAX.SV.W.0428.260915T0538Z-260915T0615Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Omaha/Valley Nebraska 1238 AM CDT Tue Sep 15 2026 The National Weather Service in Omaha has issued a * Severe Thunderstorm Warning for... Northwestern Pottawattamie County in southwestern Iowa... Southwestern Harrison County in southwestern Iowa... Southeastern Washington County in east central Nebraska... North central Douglas County in east central Nebraska... * Until 115 AM CDT. * At 1238 AM CDT, a severe thunderstorm was located over Kennard, or 5 miles south of Blair, moving east at 45 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * This severe thunderstorm will be near... Fort Calhoun around 1245 AM CDT. Missouri Valley around 1255 AM CDT. This includes Interstate 29 between mile markers 66 and 79. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4134 9624 4154 9629 4164 9587 4142 9581 TIME...MOT...LOC 0538Z 261DEG 38KT 4147 9617 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Chehak  434 WWUS53 KOAX 150545 SVSOAX Severe Weather Statement National Weather Service Omaha/Valley Nebraska 1245 AM CDT Tue Sep 15 2026 NEC055-177-150555- /O.CAN.KOAX.SV.W.0427.000000T0000Z-260915T0600Z/ Washington NE-Douglas NE- 1245 AM CDT Tue Sep 15 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN WASHINGTON AND NORTHEASTERN DOUGLAS COUNTIES IS CANCELLED... The severe thunderstorm which prompted the warning has moved out of the warned area. Therefore, the warning has been cancelled. && LAT...LON 4139 9585 4144 9592 4145 9591 4147 9583 4149 9573 4144 9572 4137 9573 TIME...MOT...LOC 0545Z 257DEG 29KT 4141 9573 $$ IAC155-150600- /O.CON.KOAX.SV.W.0427.000000T0000Z-260915T0600Z/ Pottawattamie IA- 1245 AM CDT Tue Sep 15 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 100 AM CDT FOR NORTHWESTERN POTTAWATTAMIE COUNTY... At 1245 AM CDT, a severe thunderstorm was located near Underwood, or 13 miles northeast of Council Bluffs, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of northwestern Pottawattamie County, including the following locations... Hitchcock Nature Center. This includes Interstate 29 near mile marker 68. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4139 9585 4144 9592 4145 9591 4147 9583 4149 9573 4144 9572 4137 9573 TIME...MOT...LOC 0545Z 257DEG 29KT 4141 9573 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Chehak  414 WWUS53 KOAX 150548 SVSOAX Severe Weather Statement National Weather Service Omaha/Valley Nebraska 1248 AM CDT Tue Sep 15 2026 NEC055-150558- /O.CAN.KOAX.SV.W.0428.000000T0000Z-260915T0615Z/ Douglas NE- 1248 AM CDT Tue Sep 15 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL DOUGLAS COUNTY IS CANCELLED... The severe thunderstorm which prompted the warning has moved out of the warned area. Therefore, the warning has been cancelled. && LAT...LON 4142 9581 4139 9608 4156 9610 4164 9587 TIME...MOT...LOC 0548Z 264DEG 42KT 4147 9599 $$ IAC085-155-NEC177-150615- /O.CON.KOAX.SV.W.0428.000000T0000Z-260915T0615Z/ Pottawattamie IA-Harrison IA-Washington NE- 1248 AM CDT Tue Sep 15 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 AM CDT FOR NORTHWESTERN POTTAWATTAMIE...SOUTHWESTERN HARRISON AND SOUTHEASTERN WASHINGTON COUNTIES... At 1248 AM CDT, a severe thunderstorm was located near Fort Calhoun, or 9 miles southeast of Blair, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will remain over mainly rural areas of northwestern Pottawattamie, southwestern Harrison and southeastern Washington Counties, including the following locations... Wilson Island State Park and Desoto Bend National Wildlife Refuge. This includes Interstate 29 between mile markers 66 and 79. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4142 9581 4139 9608 4156 9610 4164 9587 TIME...MOT...LOC 0548Z 264DEG 42KT 4147 9599 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Chehak  074 WWUS53 KOAX 150551 SVSOAX Severe Weather Statement National Weather Service Omaha/Valley Nebraska 1251 AM CDT Tue Sep 15 2026 IAC155-150601- /O.EXP.KOAX.SV.W.0427.000000T0000Z-260915T0600Z/ Pottawattamie IA- 1251 AM CDT Tue Sep 15 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN POTTAWATTAMIE COUNTY WILL EXPIRE AT 100 AM CDT... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. However, gusty winds and heavy rain are still possible with this thunderstorm. && LAT...LON 4139 9585 4144 9592 4145 9591 4147 9583 4149 9573 4144 9572 4137 9573 TIME...MOT...LOC 0551Z 257DEG 29KT 4142 9569 $$ Chehak  213 WUUS53 KOAX 150554 SVROAX IAC085-155-165-150700- /O.NEW.KOAX.SV.W.0429.260915T0554Z-260915T0700Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Omaha/Valley Nebraska 1254 AM CDT Tue Sep 15 2026 The National Weather Service in Omaha has issued a * Severe Thunderstorm Warning for... Northern Pottawattamie County in southwestern Iowa... Southeastern Harrison County in southwestern Iowa... Southern Shelby County in southwestern Iowa... * Until 200 AM CDT. * At 1254 AM CDT, a severe thunderstorm was located 4 miles south of Missouri Valley, or 12 miles east of Blair, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Neola, Minden, Persia, Shelby, Avoca and Walnut. This includes Interstate 80 in Iowa between mile markers 20 and 48. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4151 9515 4150 9516 4141 9516 4140 9582 4167 9589 4172 9509 4160 9509 4160 9504 4151 9504 TIME...MOT...LOC 0554Z 264DEG 35KT 4149 9591 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Chehak