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Home Return to list Severe Thunderstorm Warning 0341 Issued by the Des Moines Forecast Office
Action: New Issued At: 2026-09-19 18:52:32 332 WUUS53 KDMX 192352 SVRDMX IAC053-159-200030- /O.NEW.KDMX.SV.W.0341.260919T2352Z-260920T0030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Des Moines IA 652 PM CDT Sat Sep 19 2026 The National Weather Service in Des Moines has issued a * Severe Thunderstorm Warning for... Western Decatur County in south central Iowa... Southeastern Ringgold County in south central Iowa... * Until 730 PM CDT. * At 652 PM CDT, a severe thunderstorm was located over Mt Ayr Municipal Airport, or over Mount Ayr, moving northeast at 20 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Mount Ayr, Lamoni, Sun Valley Lake, Kellerton, Grand River, Ellston, Benton, Delphos, Beaconsfield, Mt Ayr Municipal Airport, and Lamoni Municipal Airport. This includes Interstate 35 near mile marker 6. 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 4058 9432 4072 9439 4090 9400 4064 9386 TIME...MOT...LOC 2352Z 245DEG 16KT 4069 9422 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.88 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Donavon Action: Continued Issued At: 2026-09-19 19:04:03 704 WWUS53 KDMX 200003 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 703 PM CDT Sat Sep 19 2026 IAC053-159-200030- /O.CON.KDMX.SV.W.0341.000000T0000Z-260920T0030Z/ Decatur IA-Ringgold IA- 703 PM CDT Sat Sep 19 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR WESTERN DECATUR AND EASTERN RINGGOLD COUNTIES... At 703 PM CDT, a severe thunderstorm was located near Kellerton, or 9 miles east of Mount Ayr, moving east at 20 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Mount Ayr, Lamoni, Sun Valley Lake, Kellerton, Grand River, Ellston, Beaconsfield, Mt Ayr Municipal Airport, and Lamoni Municipal Airport. This includes Interstate 35 near mile marker 6. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4059 9424 4073 9429 4090 9400 4064 9386 TIME...MOT...LOC 0003Z 252DEG 19KT 4066 9407 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.88 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Donavon Action: Continued Issued At: 2026-09-19 19:13:33 095 WWUS53 KDMX 200013 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 713 PM CDT Sat Sep 19 2026 IAC053-159-200030- /O.CON.KDMX.SV.W.0341.000000T0000Z-260920T0030Z/ Decatur IA-Ringgold IA- 713 PM CDT Sat Sep 19 2026 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT FOR SOUTHWESTERN DECATUR AND SOUTHEASTERN RINGGOLD COUNTIES... At 712 PM CDT, a severe thunderstorm was located near Lamoni, or 11 miles southwest of Leon, moving east at 25 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Lamoni, Kellerton, Grand River, and Lamoni Municipal Airport. This includes Interstate 35 near mile marker 6. 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 4060 9418 4070 9421 4082 9396 4064 9386 TIME...MOT...LOC 0012Z 256DEG 23KT 4067 9396 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...0.88 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Donavon Action: Expired Issued At: 2026-09-19 19:21:03 205 WWUS53 KDMX 200020 SVSDMX Severe Weather Statement National Weather Service Des Moines IA 720 PM CDT Sat Sep 19 2026 IAC053-159-200030- /O.EXP.KDMX.SV.W.0341.000000T0000Z-260920T0030Z/ Decatur IA-Ringgold IA- 720 PM CDT Sat Sep 19 2026 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN DECATUR AND SOUTHEASTERN RINGGOLD COUNTIES WILL EXPIRE AT 730 PM CDT... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, gusty winds are still possible with this thunderstorm. LAT...LON 4060 9418 4070 9421 4082 9396 4064 9386 TIME...MOT...LOC 0020Z 245DEG 16KT 4068 9392 $$ Donavon | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||