002 WWUS53 KDMX 110701 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 201 AM CDT Fri Jul 11 2025 IAC123-125-110710- /O.CAN.KDMX.SV.W.0158.000000T0000Z-250711T0745Z/ Marion IA-Mahaska IA- 201 AM CDT Fri Jul 11 2025 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MARION AND NORTHERN MAHASKA 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 400 AM CDT for central Iowa. LAT...LON 4154 9230 4151 9275 4168 9294 4179 9299 4191 9297 4201 9250 4187 9230 TIME...MOT...LOC 0700Z 250DEG 35KT 4190 9291 4175 9268 4153 9260 $$ IAC099-127-157-171-110745- /O.CON.KDMX.SV.W.0158.000000T0000Z-250711T0745Z/ Poweshiek IA-Marshall IA-Tama IA-Jasper IA- 201 AM CDT Fri Jul 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT FOR POWESHIEK...SOUTHEASTERN MARSHALL...SOUTHERN TAMA AND NORTHEASTERN JASPER COUNTIES... At 200 AM CDT, severe thunderstorms were located along a line extending from Laurel to near Grinnell to 4 miles northeast of New Sharon, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Grinnell, Toledo, Montezuma, Tama, Brooklyn, Rock Creek Lake, Victor, Kellogg, Gilman, Holiday Lake, Lynnville, Malcom, Deep River, Chelsea, Laurel, Oakland Acres, Searsboro, Hartwick, Guernsey, and Grinnell Regional Airport. This includes Interstate 80 between mile markers 171 and 204. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4154 9230 4151 9275 4168 9294 4179 9299 4191 9297 4201 9250 4187 9230 TIME...MOT...LOC 0700Z 250DEG 35KT 4190 9291 4175 9268 4153 9260 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$ Ansorge  109 WGUS73 KDVN 110708 FFSDVN Flash Flood Statement National Weather Service Quad Cities IA IL 208 AM CDT Fri Jul 11 2025 IAC115-183-111245- /O.CON.KDVN.FF.W.0011.000000T0000Z-250711T1245Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Louisa IA-Washington IA- 208 AM CDT Fri Jul 11 2025 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 AM CDT THIS MORNING FOR WEST CENTRAL LOUISA AND CENTRAL WASHINGTON COUNTIES... At 208 AM CDT, Doppler radar indicated thunderstorms were diminishing across the area, but have produced a swath of heavy rain across the warned area. Between 2 and 3 inches of rain have fallen in some locations. Additional storms to the west will move back in across the warned area over the next few hours. Additional rainfall amounts of 1 to 3 inches 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... Washington, Columbus Junction, Ainsworth, Grandview, Columbus City, Letts, Crawfordsville, Cotter, Wyman, Keota, Fredonia, West Chester, Haskins, Marr Park, Gladwin, Washington Airport, Louisa County Fairgrounds, Cairo, Washington County Fairgrounds and Sand Springs. Crooked Creek, Long Creek, Whiskey Run Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Flooding is occurring or is imminent. It is important to know where you are relative to streams, rivers, or creeks which can become killers in heavy rains. Campers and hikers should avoid streams or creeks. && LAT...LON 4141 9195 4141 9149 4133 9136 4133 9107 4131 9107 4125 9111 4116 9137 4130 9195 FLASH FLOOD...RADAR INDICATED $$ McClure  702 WWUS53 KDMX 110718 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 218 AM CDT Fri Jul 11 2025 IAC099-127-110728- /O.CAN.KDMX.SV.W.0158.000000T0000Z-250711T0745Z/ Marshall IA-Jasper IA- 218 AM CDT Fri Jul 11 2025 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MARSHALL AND NORTHEASTERN JASPER COUNTIES IS CANCELLED... The storms which prompted the warning have moved out of the warned area. Therefore, the warning has been cancelled. A Severe Thunderstorm Watch remains in effect until 400 AM CDT for central Iowa. LAT...LON 4153 9244 4172 9263 4184 9263 4192 9238 4187 9230 4154 9230 TIME...MOT...LOC 0718Z 252DEG 33KT 4185 9257 4180 9248 4158 9240 $$ IAC157-171-110745- /O.CON.KDMX.SV.W.0158.000000T0000Z-250711T0745Z/ Poweshiek IA-Tama IA- 218 AM CDT Fri Jul 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT FOR EASTERN POWESHIEK AND SOUTHEASTERN TAMA COUNTIES... At 218 AM CDT, severe thunderstorms were located along a line extending from 7 miles south of Tama to near Holiday Lake to Deep River, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Public. A personal weather station in northeastern Jasper County reported a 59 mph wind gust at 200 am. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Brooklyn, Victor, Holiday Lake, Malcom, Deep River, Chelsea, Hartwick, and Guernsey. This includes Interstate 80 between mile markers 190 and 204. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4153 9244 4172 9263 4184 9263 4192 9238 4187 9230 4154 9230 TIME...MOT...LOC 0718Z 252DEG 33KT 4185 9257 4180 9248 4158 9240 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$ Ansorge  265 WUUS53 KDVN 110722 SVRDVN IAC011-095-110815- /O.NEW.KDVN.SV.W.0078.250711T0722Z-250711T0815Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Quad Cities IA/IL 222 AM CDT Fri Jul 11 2025 The National Weather Service in the Quad Cities has issued a * Severe Thunderstorm Warning for... Southern Benton County in east central Iowa... Iowa County in east central Iowa... * Until 315 AM CDT. * At 221 AM CDT, severe thunderstorms were located along a line extending from near Holiday Lake to near Thornburg, moving east at 40 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Marengo, Williamsburg, Belle Plaine, Atkins, Walford, Victor, Newhall, Blairstown, Norway, Ladora, Parnell, Millersburg, Luzerne, Amana, Conroy, Middle Amana, Upper South Amana, East Amana, Hannen Lake Park, and Koszta. This includes Interstate 80 in Iowa between mile markers 205 and 228. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a sturdy building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4195 9230 4202 9184 4153 9183 4153 9230 TIME...MOT...LOC 0721Z 257DEG 34KT 4186 9247 4152 9231 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Ervin  824 WWUS53 KDVN 110734 SVSDVN Severe Weather Statement National Weather Service Quad Cities IA/IL 234 AM CDT Fri Jul 11 2025 IAC011-095-110815- /O.CON.KDVN.SV.W.0078.000000T0000Z-250711T0815Z/ Benton IA-Iowa IA- 234 AM CDT Fri Jul 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM CDT FOR SOUTHERN BENTON AND IOWA COUNTIES... At 234 AM CDT, severe thunderstorms were located along a line extending from near Belle Plaine to Millersburg, moving east at 40 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Marengo, Williamsburg, Belle Plaine, Atkins, Walford, Victor, Newhall, Blairstown, Norway, Ladora, Parnell, Millersburg, Luzerne, Amana, Conroy, Middle Amana, Upper South Amana, East Amana, Hannen Lake Park, and Koszta. This includes Interstate 80 in Iowa between mile markers 205 and 228. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a sturdy building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4195 9230 4202 9184 4153 9183 4153 9230 TIME...MOT...LOC 0734Z 257DEG 34KT 4189 9232 4155 9216 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Ervin  127 WWUS53 KDVN 110741 SVSDVN Severe Weather Statement National Weather Service Quad Cities IA/IL 241 AM CDT Fri Jul 11 2025 IAC011-095-110815- /O.CON.KDVN.SV.W.0078.000000T0000Z-250711T0815Z/ Benton IA-Iowa IA- 241 AM CDT Fri Jul 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM CDT FOR SOUTHERN BENTON AND IOWA COUNTIES... At 241 AM CDT, severe thunderstorms were located along a line extending from near Luzerne to Millersburg, moving east at 35 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Marengo, Williamsburg, Belle Plaine, Atkins, Walford, Victor, Newhall, Blairstown, Norway, Ladora, Parnell, Millersburg, Luzerne, Amana, Conroy, Middle Amana, Upper South Amana, East Amana, Hannen Lake Park, and Koszta. This includes Interstate 80 in Iowa between mile markers 205 and 228. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a sturdy building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4195 9230 4202 9184 4153 9183 4153 9230 TIME...MOT...LOC 0741Z 257DEG 31KT 4190 9223 4155 9214 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Ervin  861 WWUS53 KDMX 110743 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 243 AM CDT Fri Jul 11 2025 IAC157-171-110752- /O.EXP.KDMX.SV.W.0158.000000T0000Z-250711T0745Z/ Poweshiek IA-Tama IA- 243 AM CDT Fri Jul 11 2025 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN POWESHIEK AND SOUTHEASTERN TAMA COUNTIES WILL EXPIRE AT 245 AM CDT... The storms which prompted the warning have moved out of the area. Therefore, the warning will be allowed to expire. A Severe Thunderstorm Watch remains in effect until 400 AM CDT for central Iowa. LAT...LON 4153 9244 4172 9263 4184 9263 4192 9238 4187 9230 4154 9230 TIME...MOT...LOC 0742Z 253DEG 33KT 4191 9232 4186 9223 4164 9215 $$ Ansorge  231 WWUS53 KDVN 110748 SVSDVN Severe Weather Statement National Weather Service Quad Cities IA/IL 248 AM CDT Fri Jul 11 2025 IAC011-095-110815- /O.CON.KDVN.SV.W.0078.000000T0000Z-250711T0815Z/ Benton IA-Iowa IA- 248 AM CDT Fri Jul 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM CDT FOR SOUTHERN BENTON AND IOWA COUNTIES... At 247 AM CDT, severe thunderstorms were located along a line extending from Luzerne to near North English, moving east at 35 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Marengo, Williamsburg, Belle Plaine, Walford, Blairstown, Norway, Ladora, Parnell, Millersburg, Luzerne, Amana, Conroy, Middle Amana, Upper South Amana, East Amana, Hannen Lake Park, Koszta, High Amana, Iowa County Fairgrounds, and South Amana. This includes Interstate 80 in Iowa between mile markers 208 and 228. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a sturdy building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4191 9230 4197 9184 4153 9183 4153 9222 TIME...MOT...LOC 0747Z 257DEG 31KT 4191 9216 4156 9207 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Ervin  140 WWUS53 KDVN 110753 SVSDVN Severe Weather Statement National Weather Service Quad Cities IA/IL 253 AM CDT Fri Jul 11 2025 IAC011-095-110815- /O.CON.KDVN.SV.W.0078.000000T0000Z-250711T0815Z/ Benton IA-Iowa IA- 253 AM CDT Fri Jul 11 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 AM CDT FOR SOUTHERN BENTON AND IOWA COUNTIES... At 253 AM CDT, severe thunderstorms were located along a line extending from near Hannen Lake Park to near Parnell, moving east at 40 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Marengo, Williamsburg, Belle Plaine, Walford, Blairstown, Norway, Ladora, Parnell, Millersburg, Luzerne, Amana, Conroy, Middle Amana, Upper South Amana, East Amana, Hannen Lake Park, Koszta, High Amana, Iowa County Fairgrounds, and South Amana. This includes Interstate 80 in Iowa between mile markers 208 and 228. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a sturdy building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4191 9230 4197 9184 4153 9183 4153 9222 TIME...MOT...LOC 0753Z 268DEG 35KT 4185 9207 4155 9203 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Ervin