676 WWUS53 KDMX 131200 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 700 AM CDT Thu Aug 13 2026 IAC015-049-131210- /O.CAN.KDMX.SV.W.0322.000000T0000Z-260813T1215Z/ Boone IA-Dallas IA- 700 AM CDT Thu Aug 13 2026 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BOONE AND EASTERN DALLAS COUNTIES IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for central Iowa. LAT...LON 4217 9316 4183 9296 4152 9336 4152 9378 4184 9368 4214 9369 TIME...MOT...LOC 1200Z 268DEG 48KT 4206 9337 4184 9321 4156 9357 $$ IAC099-127-153-169-131215- /O.CON.KDMX.SV.W.0322.000000T0000Z-260813T1215Z/ Polk IA-Story IA-Marshall IA-Jasper IA- 700 AM CDT Thu Aug 13 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 AM CDT FOR POLK...STORY...WESTERN MARSHALL AND NORTHWESTERN JASPER COUNTIES... At 700 AM CDT, severe thunderstorms were located along a line extending from 4 miles northwest of Colo to near Baxter to Des Moines, moving east at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Des Moines, Ames, West Des Moines, Ankeny, Urbandale, Johnston, Clive, Altoona, Pleasant Hill, Nevada, Windsor Heights, Carlisle, Bondurant, Polk City, Huxley, Saylorville, Mitchellville, Colfax, Slater, and State Center. This includes the following highways... Interstate 35 between mile markers 68 and 70, and between mile markers 87 and 121. Interstate 80 between mile markers 130 and 160. Interstate 235 between mile markers 2 and 14. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4217 9316 4183 9296 4152 9336 4152 9378 4184 9368 4214 9369 TIME...MOT...LOC 1200Z 268DEG 48KT 4206 9337 4184 9321 4156 9357 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Hahn  032 WWUS53 KDMX 131204 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 704 AM CDT Thu Aug 13 2026 IAC127-169-131213- /O.CAN.KDMX.TO.W.0077.000000T0000Z-260813T1215Z/ Story IA-Marshall IA- 704 AM CDT Thu Aug 13 2026 ...THE TORNADO WARNING FOR CENTRAL STORY AND NORTHWESTERN MARSHALL COUNTIES IS CANCELLED... The storm which prompted the warning has weakened below severe limits, and no longer appears capable of producing a tornado. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for central Iowa. Remember, a Severe Thunderstorm Warning still remains in effect for Central Story and Northwestern Marshall County. LAT...LON 4190 9362 4194 9369 4218 9361 4219 9323 4196 9334 TIME...MOT...LOC 1202Z 223DEG 32KT 4209 9346 $$ Hahn  229 WGUS75 KSLC 131211 FFSSLC Flash Flood Statement National Weather Service Salt Lake City UT 611 AM MDT Thu Aug 13 2026 UTC025-053-131221- /O.EXP.KSLC.FF.W.0073.000000T0000Z-260813T1215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Kane UT-Washington UT- 611 AM MDT Thu Aug 13 2026 ...FLASH FLOOD WARNING WILL EXPIRE AT 615 AM MDT THIS MORNING FOR WEST CENTRAL KANE AND EAST CENTRAL WASHINGTON COUNTIES... The heavy rain has ended. Enhanced runoff will continue across Zion National Park until later this morning. && LAT...LON 3711 11290 3711 11293 3735 11311 3744 11286 3714 11271 $$ CRK  590 WUUS53 KDMX 131211 SVRDMX IAC099-127-157-169-171-131300- /O.NEW.KDMX.SV.W.0323.260813T1211Z-260813T1300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Des Moines IA 711 AM CDT Thu Aug 13 2026 The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Western Poweshiek County in central Iowa... Southeastern Story County in central Iowa... Marshall County in central Iowa... Southwestern Tama County in central Iowa... Jasper County in central Iowa... * Until 800 AM CDT. * At 711 AM CDT, severe thunderstorms were located along a line extending from Colo to Baxter to near Runnells, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Marshalltown, Newton, Grinnell, Tama, Colfax, Monroe, Prairie City, State Center, Baxter, Iowa Speedway, Meskwaki Casino, Rock Creek Lake, Le Grand, Colo, Melbourne, Sully, Kellogg, Gilman, Lynnville, and Rhodes. This includes Interstate 80 between mile markers 153 and 190. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 4208 9274 4186 9246 4151 9270 4152 9333 4184 9326 4207 9336 TIME...MOT...LOC 1211Z 269DEG 36KT 4204 9330 4184 9314 4153 9330 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Hahn  327 WWUS53 KDMX 131212 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 712 AM CDT Thu Aug 13 2026 IAC127-153-169-131222- /O.EXP.KDMX.TO.W.0078.000000T0000Z-260813T1215Z/ Polk IA-Story IA-Marshall IA- 712 AM CDT Thu Aug 13 2026 ...THE TORNADO WARNING FOR NORTHEASTERN POLK...SOUTHEASTERN STORY AND WESTERN MARSHALL COUNTIES WILL EXPIRE AT 715 AM CDT... The storm which prompted the warning has weakened below severe limits, and no longer appears capable of producing a tornado. Therefore, the warning will be allowed to expire. A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for central Iowa. Remember, a Severe Thunderstorm Warning still remains in effect for southeast Story and Marshall Counties until 800 AM CDT. LAT...LON 4186 9344 4192 9349 4220 9317 4189 9310 TIME...MOT...LOC 1212Z 231DEG 62KT 4205 9310 $$ Hahn  733 WGUS53 KJKL 131230 FFWJKL KYC133-131530- /O.NEW.KJKL.FF.W.0047.260813T1230Z-260813T1530Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Jackson KY 830 AM EDT Thu Aug 13 2026 The National Weather Service in Jackson has issued a * Flash Flood Warning for... Northeastern Letcher County in southeastern Kentucky... * Until 1130 AM EDT. * At 830 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Jenkins, Fleming-Neon, Chip, Neon Junction, Seco, Whitaker, Horn, Tolliver Town, Baker, Cromona, Craftsville, Hemphill, Haymond, Millstone, Thornton, Wright, Ehkhorn Mine, Lowndes, Winters and Potters Fork. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. && LAT...LON 3711 8273 3721 8286 3726 8277 3719 8257 3717 8262 3715 8263 3715 8265 3714 8266 3714 8268 3712 8272 FLASH FLOOD...RADAR INDICATED $$ GREIF  233 WGUS73 KJKL 131230 FFSJKL Flash Flood Statement National Weather Service Jackson KY 830 AM EDT Thu Aug 13 2026 KYC133-131530- /O.CON.KJKL.FF.W.0047.000000T0000Z-260813T1530Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Letcher KY- 830 AM EDT Thu Aug 13 2026 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 AM EDT THIS MORNING FOR NORTHEASTERN LETCHER COUNTY... At 830 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Jenkins, Fleming-Neon, Chip, Neon Junction, Seco, Whitaker, Horn, Tolliver Town, Baker, Cromona, Craftsville, Hemphill, Haymond, Millstone, Thornton, Wright, Ehkhorn Mine, Lowndes, Winters and Potters Fork. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. && LAT...LON 3711 8273 3721 8286 3726 8277 3719 8257 3717 8262 3715 8263 3715 8265 3714 8266 3714 8268 3712 8272 FLASH FLOOD...RADAR INDICATED $$ GREIF  559 WWUS53 KDMX 131231 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 731 AM CDT Thu Aug 13 2026 IAC169-131240- /O.CAN.KDMX.SV.W.0323.000000T0000Z-260813T1300Z/ Story IA- 731 AM CDT Thu Aug 13 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN STORY COUNTY IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for central Iowa. LAT...LON 4208 9274 4186 9246 4151 9270 4152 9323 4184 9309 4206 9322 TIME...MOT...LOC 1230Z 269DEG 36KT 4204 9306 4184 9290 4153 9306 $$ IAC099-127-157-171-131300- /O.CON.KDMX.SV.W.0323.000000T0000Z-260813T1300Z/ Poweshiek IA-Marshall IA-Tama IA-Jasper IA- 731 AM CDT Thu Aug 13 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 AM CDT FOR WESTERN POWESHIEK...SOUTHERN MARSHALL...SOUTHWESTERN TAMA AND JASPER COUNTIES... At 730 AM CDT, severe thunderstorms were located along a line extending from 5 miles east of State Center to near Laurel to near Monroe, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Marshalltown, Newton, Grinnell, Tama, Monroe, State Center, Iowa Speedway, Meskwaki Casino, Rock Creek Lake, Le Grand, Melbourne, Sully, Kellogg, Gilman, Lynnville, Malcom, Montour, Laurel, Haverhill, and Lambs Grove. This includes Interstate 80 between mile markers 160 and 190. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4208 9274 4186 9246 4151 9270 4152 9323 4184 9309 4206 9322 TIME...MOT...LOC 1230Z 269DEG 36KT 4204 9306 4184 9290 4153 9306 TORNADO...POSSIBLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Hahn  742 WGUS54 KMRX 131239 FFWMRX VAC195-131545- /O.NEW.KMRX.FF.W.0066.260813T1239Z-260813T1545Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Morristown TN 839 AM EDT Thu Aug 13 2026 The National Weather Service in Morristown has issued a * Flash Flood Warning for... North Central Wise County in southwestern Virginia... * Until 1145 AM EDT. * At 839 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts up to 0.5 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Pound. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. && LAT...LON 3712 8272 3714 8268 3714 8266 3715 8266 3715 8263 3720 8255 3713 8255 3706 8250 3705 8249 3704 8249 3703 8248 3702 8248 3705 8262 FLASH FLOOD...RADAR INDICATED $$ BPH  271 WGUS51 KRLX 131245 FFWRLX VAC051-131545- /O.NEW.KRLX.FF.W.0135.260813T1245Z-260813T1545Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Charleston WV 845 AM EDT Thu Aug 13 2026 The National Weather Service in Charleston has issued a * Flash Flood Warning for... Western Dickenson County in southwestern Virginia... * Until 1145 AM EDT. * At 845 AM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Up to 2 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Clintwood, Clinchco, McClure and Nora. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Report flooding to the National Weather Service by calling toll free, 800 401 9535, when you can do so safely. && LAT...LON 3724 8245 3708 8231 3702 8248 3703 8248 3705 8249 3706 8249 3713 8255 3720 8255 3721 8253 3721 8252 3722 8250 3723 8250 3723 8248 3724 8246 FLASH FLOOD...RADAR INDICATED $$ 20  382 WGUS73 KOAX 131249 FFSOAX Flash Flood Statement National Weather Service Omaha/Valley NE 749 AM CDT Thu Aug 13 2026 IAC133-NEC173-131259- /O.CAN.KOAX.FF.W.0031.000000T0000Z-260813T1330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Monona IA-Thurston NE- 749 AM CDT Thu Aug 13 2026 ...FLASH FLOOD WARNING IS CANCELLED FOR NORTHERN MONONA AND THURSTON COUNTIES... The heavy rain has ended. Flooding is no longer expected to pose a threat. Please continue to heed remaining road closures. && LAT...LON 4223 9676 4222 9635 4221 9634 4221 9567 4205 9567 4203 9622 4204 9623 4204 9625 4205 9627 4205 9631 4202 9631 4202 9655 4206 9656 4209 9656 4209 9662 $$ ANW  484 WWUS53 KDMX 131258 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 758 AM CDT Thu Aug 13 2026 IAC099-127-157-171-131308- /O.EXP.KDMX.SV.W.0323.000000T0000Z-260813T1300Z/ Poweshiek IA-Marshall IA-Tama IA-Jasper IA- 758 AM CDT Thu Aug 13 2026 ...THE SEVERE THUNDERSTORM WARNING FOR WESTERN POWESHIEK...SOUTHERN MARSHALL...SOUTHWESTERN TAMA AND JASPER COUNTIES WILL EXPIRE AT 800 AM CDT... The storms which prompted the warning have weakened below severe limits, and no longer pose an immediate threat to life or property. Therefore, the warning will be allowed to expire. A Severe Thunderstorm Watch remains in effect until 1100 AM CDT for central Iowa. LAT...LON 4208 9274 4186 9246 4151 9270 4152 9323 4184 9309 4206 9322 TIME...MOT...LOC 1258Z 269DEG 36KT 4204 9270 4184 9254 4153 9270 $$ Hahn