NWUS53 KDMX 180847 LSRDMX Preliminary Local Storm Report...Summary National Weather Service Des Moines IA 347 AM CDT Mon May 18 2026 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0901 PM Tornado Pomeroy 42.55N 94.68W 05/17/2026 Calhoun IA Fire Dept/Rescue Local Fire department reports tornado. 1018 PM Tstm Wnd Gst 6 NNW Rockwell 43.06N 93.24W 05/17/2026 M63 MPH Cerro Gordo IA Mesonet 1021 PM Tornado 3 S Mason City 43.10N 93.20W 05/17/2026 Cerro Gordo IA Public Fire reported tornado on ground. Time estimated via radar. 1024 PM Tornado 3 S Mason City 43.11N 93.20W 05/17/2026 Cerro Gordo IA Fire Dept/Rescue Local fire reports tornado on ground. Time estimated via radar. 1025 PM Tstm Wnd Gst 4 WNW Mason City 43.18N 93.27W 05/17/2026 M69 MPH Cerro Gordo IA Mesonet 1027 PM Tornado 3 S Mason City 43.10N 93.20W 05/17/2026 Cerro Gordo IA Fire Dept/Rescue Local fire reports tornado on ground. 0923 PM Tstm Wnd Dmg 1 N Estherville 43.41N 94.83W 05/17/2026 Emmet IA Trained Spotter 2-3 inch diameter limbs down. Time estimated via radar. 0928 PM Tornado 3 SSW Armstrong 43.35N 94.50W 05/17/2026 Emmet IA Emergency Mngr Confirmed tornado estimated via webcam. 0941 PM Tstm Wnd Gst 2 WNW Gruver 43.40N 94.75W 05/17/2026 M82 MPH Emmet IA ASOS ASOS station KEST Estherville Airport. 0933 PM Tstm Wnd Dmg Algona 43.07N 94.23W 05/17/2026 Kossuth IA Public Delayed report - received photo on social media of large tree limb on home. 0938 PM Tornado 2 S Wesley 43.07N 93.99W 05/17/2026 Kossuth IA Emergency Mngr Confirmed tornado via Emergency Management. 0939 PM Tstm Wnd Dmg Algona 43.07N 94.23W 05/17/2026 Kossuth IA Public Downed tree limb on home. Time estimated via radar. 0942 PM Tstm Wnd Dmg 4 WNW Ledyard 43.43N 94.24W 05/17/2026 Kossuth IA Public Couple of trees down. Time estimated via radar. 1011 PM Tstm Wnd Gst 6 NE Ledyard 43.49N 94.09W 05/17/2026 M67 MPH Kossuth IA Mesonet 0914 PM Tornado Graettinger 43.24N 94.75W 05/17/2026 Palo Alto IA Trained Spotter Reports of power pole and tree damage in town. Time estimated by radar. 0905 PM Tornado 2 SSE Havelock 42.81N 94.68W 05/17/2026 Pocahontas IA Trained Spotter Between Pocahontas and Havelock. 0745 AM Rain Mount Ayr 40.72N 94.24W 05/17/2026 M5.50 Inch Ringgold IA CO-OP Observer 24 hour total. 0855 PM Tstm Wnd Gst Sac City 42.42N 94.99W 05/17/2026 E70 MPH Sac IA Public 0910 AM Rain Humeston 40.86N 93.49W 05/17/2026 M3.90 Inch Wayne IA Public Social media rainfall report. 0927 PM Tornado Moorland 42.44N 94.29W 05/17/2026 Webster IA Emergency Mngr Multiple trees down upwards of 8 inches in diameter. Time estimated via radar. 0934 PM Tstm Wnd Dmg 2 ENE Moorland 42.45N 94.26W 05/17/2026 Webster IA Emergency Mngr Semi tipped over. 0959 PM Tornado 4 N Crystal Lake 43.28N 93.79W 05/17/2026 Winnebago IA Emergency Mngr Reports of power line sparking/flashing. 1010 PM Tstm Wnd Gst 5 NW Thompson 43.43N 93.83W 05/17/2026 M62 MPH Winnebago IA Mesonet 1010 PM Tornado 1 W Joice 43.36N 93.48W 05/17/2026 Worth IA Emergency Mngr Structure damage. Time estimated via radar. && $$