409 WWUS53 KOAX 150604 SVSOAX Severe Weather Statement National Weather Service Omaha/Valley Nebraska 104 AM CDT Tue Sep 15 2026 IAC085-155-165-150700- /O.CON.KOAX.SV.W.0429.000000T0000Z-260915T0700Z/ Pottawattamie IA-Harrison IA-Shelby IA- 104 AM CDT Tue Sep 15 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR NORTHERN POTTAWATTAMIE...SOUTHEASTERN HARRISON AND SOUTHERN SHELBY COUNTIES... At 103 AM CDT, a severe thunderstorm was located 7 miles southeast of Missouri Valley, or 18 miles northeast of Omaha, moving east at 40 mph. HAZARD...70 mph wind gusts. SOURCE...Personal weather station near Shelby measured a 73 MPH wind gust. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Harlan, Logan, Avoca, Neola, Walnut, Shelby, Minden, Persia, Portsmouth, Tennant, Prairie Rose State Park, Nishna Bend Recreation Area, Elk Horn Creek Recreation Area, Jacksonville, Arrowhead Park, and Historical Village Welcome Center. 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 0603Z 264DEG 35KT 4150 9578 THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...70 MPH $$ Chehak  892 WWUS53 KOAX 150605 SVSOAX Severe Weather Statement National Weather Service Omaha/Valley Nebraska 105 AM CDT Tue Sep 15 2026 IAC085-155-NEC177-150615- /O.EXP.KOAX.SV.W.0428.000000T0000Z-260915T0615Z/ Pottawattamie IA-Harrison IA-Washington NE- 105 AM CDT Tue Sep 15 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN POTTAWATTAMIE... SOUTHWESTERN HARRISON AND SOUTHEASTERN WASHINGTON COUNTIES WILL EXPIRE AT 115 AM CDT... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. && LAT...LON 4142 9581 4139 9608 4156 9610 4164 9587 TIME...MOT...LOC 0605Z 261DEG 38KT 4150 9576 $$ Chehak  534 WWUS53 KOAX 150619 SVSOAX Severe Weather Statement National Weather Service Omaha/Valley Nebraska 119 AM CDT Tue Sep 15 2026 IAC085-155-165-150700- /O.CON.KOAX.SV.W.0429.000000T0000Z-260915T0700Z/ Pottawattamie IA-Harrison IA-Shelby IA- 119 AM CDT Tue Sep 15 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR NORTHEASTERN POTTAWATTAMIE...SOUTHEASTERN HARRISON AND SOUTHERN SHELBY COUNTIES... At 119 AM CDT, a severe thunderstorm was located 3 miles north of Minden, or 15 miles southwest of Harlan, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Harlan, Avoca, Neola, Walnut, Shelby, Minden, Persia, Portsmouth, Tennant, Prairie Rose State Park, Nishna Bend Recreation Area, Elk Horn Creek Recreation Area, Jacksonville, and Arrowhead Park. 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 9564 4168 9569 4172 9509 4160 9509 4160 9504 4151 9504 TIME...MOT...LOC 0619Z 264DEG 35KT 4152 9557 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Chehak  100 WGUS75 KTWC 150631 FFSTWC Flash Flood Statement National Weather Service Tucson AZ 1131 PM MST Mon Sep 14 2026 AZC019-150641- /O.EXP.KTWC.FF.W.0211.000000T0000Z-260915T0630Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Pima AZ- 1131 PM MST Mon Sep 14 2026 ...FLASH FLOOD WARNING HAS EXPIRED FOR NORTH CENTRAL PIMA COUNTY... Flood waters have receded. The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. && LAT...LON 3222 11120 3218 11131 3229 11136 3237 11136 3247 11134 3238 11120 $$  509 WWUS53 KOAX 150631 SVSOAX Severe Weather Statement National Weather Service Omaha/Valley Nebraska 131 AM CDT Tue Sep 15 2026 IAC085-150641- /O.CAN.KOAX.SV.W.0429.000000T0000Z-260915T0700Z/ Harrison IA- 131 AM CDT Tue Sep 15 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HARRISON 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 4151 9515 4150 9516 4141 9516 4140 9547 4169 9551 4172 9509 4160 9509 4160 9504 4151 9504 TIME...MOT...LOC 0631Z 264DEG 35KT 4153 9541 $$ IAC155-165-150700- /O.CON.KOAX.SV.W.0429.000000T0000Z-260915T0700Z/ Pottawattamie IA-Shelby IA- 131 AM CDT Tue Sep 15 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR NORTHEASTERN POTTAWATTAMIE AND SOUTHERN SHELBY COUNTIES... At 131 AM CDT, a severe thunderstorm was located near Shelby, or 9 miles southwest of Harlan, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Harlan, Avoca, Walnut, Shelby, Tennant, Prairie Rose State Park, Nishna Bend Recreation Area, Elk Horn Creek Recreation Area, and Jacksonville. This includes Interstate 80 in Iowa between mile markers 34 and 48. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4151 9515 4150 9516 4141 9516 4140 9547 4169 9551 4172 9509 4160 9509 4160 9504 4151 9504 TIME...MOT...LOC 0631Z 264DEG 35KT 4153 9541 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Chehak  863 WUUS53 KDMX 150643 SVRDMX IAC001-009-029-077-150715- /O.NEW.KDMX.SV.W.0339.260915T0643Z-260915T0715Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Des Moines IA 143 AM CDT Tue Sep 15 2026 The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Northern Cass County in southwestern Iowa... Southwestern Guthrie County in west central Iowa... Southern Audubon County in west central Iowa... Northwestern Adair County in southwestern Iowa... * Until 215 AM CDT. * At 143 AM CDT, a severe thunderstorm was located near Brayton, or 8 miles northeast of Atlantic, moving east at 50 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Atlantic, Anita, Exira, Adair, Elk Horn, Kimballton, Brayton, Marne, Wiota, Lake Anita State Park, Atlantic Municipal Airport, and Anita Municipal Airport. This includes Interstate 80 between mile markers 50 and 80. 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 4150 9515 4151 9504 4160 9504 4160 9509 4165 9509 4171 9458 4142 9455 4138 9516 4141 9516 TIME...MOT...LOC 0643Z 256DEG 45KT 4150 9494 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Dodson  383 WWUS53 KOAX 150647 SVSOAX Severe Weather Statement National Weather Service Omaha/Valley Nebraska 147 AM CDT Tue Sep 15 2026 IAC155-165-150700- /O.CON.KOAX.SV.W.0429.000000T0000Z-260915T0700Z/ Pottawattamie IA-Shelby IA- 147 AM CDT Tue Sep 15 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM CDT FOR NORTHEASTERN POTTAWATTAMIE AND SOUTHEASTERN SHELBY COUNTIES... At 147 AM CDT, a severe thunderstorm was located 4 miles north of Walnut, or 10 miles southeast of Harlan, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Walnut, Prairie Rose State Park, Elk Horn Creek Recreation Area, and Jacksonville. This includes Interstate 80 in Iowa between mile markers 46 and 48. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4151 9515 4150 9516 4141 9516 4141 9523 4171 9525 4172 9509 4160 9509 4160 9504 4151 9504 TIME...MOT...LOC 0647Z 263DEG 36KT 4155 9519 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Chehak  314 WWUS53 KOAX 150650 SVSOAX Severe Weather Statement National Weather Service Omaha/Valley Nebraska 150 AM CDT Tue Sep 15 2026 IAC155-165-150700- /O.EXP.KOAX.SV.W.0429.000000T0000Z-260915T0700Z/ Pottawattamie IA-Shelby IA- 150 AM CDT Tue Sep 15 2026 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN POTTAWATTAMIE AND SOUTHEASTERN SHELBY COUNTIES WILL EXPIRE AT 200 AM CDT... The storm which prompted the warning has moved out of the area. Therefore, the warning will be allowed to expire. However, heavy rain is still possible with this thunderstorm. && LAT...LON 4151 9515 4150 9516 4141 9516 4141 9523 4171 9525 4172 9509 4160 9509 4160 9504 4151 9504 TIME...MOT...LOC 0650Z 264DEG 35KT 4155 9517 $$ Chehak