759
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.
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