05/18/2026
Dallas County Emergency Alerts:
Severe Thunderstorm Warning issued May 17 at 10:23PM CDT until May 17 at 11:45PM CDT by NWS Des Moines IA
SVRDMX
The National Weather Service in Des Moines has issued a
* Severe Thunderstorm Warning for...
Polk County in central Iowa...
Madison County in south central Iowa...
Southeastern Guthrie County in west central Iowa...
Northeastern Adair County in southwestern Iowa...
Dallas County in central Iowa...
Warren County in south central Iowa...
* Until 1145 PM CDT.
* At 1022 PM CDT, severe thunderstorms were located along a line
extending from near Lakin Slough Game Management Area to Stuart to
near Greenfield, moving east at 45 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Des Moines, West Des Moines, Ankeny, Urbandale, Johnston, Clive,
Indianola, Altoona, Waukee, Norwalk, Pleasant Hill, Grimes,
Winterset, Adel, Greenfield, Windsor Heights, Carlisle, Bondurant,
Polk City, and Saylorville.
This includes the following highways...
Interstate 35 between mile markers 51 and 72, and between mile
markers 87 and 98.
Interstate 80 between mile markers 87 and 149.
Interstate 235 between mile markers 1 and 14.