


Special Weather Statement
Issued by NWS Des Moines, IA
Issued by NWS Des Moines, IA
689 WWUS83 KDMX 300324 SPSDMX Special Weather Statement National Weather Service Des Moines IA 1024 PM CDT Tue Jul 29 2025 IAZ047-048-059-060-300400- Boone IA-Story IA-Polk IA-Dallas IA- 1024 PM CDT Tue Jul 29 2025 ...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN POLK...SOUTHWESTERN STORY...SOUTHEASTERN BOONE AND EASTERN DALLAS COUNTIES THROUGH 1100 PM CDT... At 1024 PM CDT, Doppler radar was tracking a strong thunderstorm near Woodward, or 8 miles east of Perry, moving northeast at 25 mph. HAZARD...Wind gusts up to 50 mph and pea size hail and additional heavy rainfall of one to two inches. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Ponding of water on roadways, low visibilities, and rises in small streams and creeks. Locations impacted include... Ankeny, Urbandale, Johnston, Clive, Waukee, Boone, Grimes, Perry, Adel, Bondurant, Polk City, Saylorville, Madrid, Dallas Center, Slater, Granger, Woodward, Saylorville Lake, Big Creek Lake, and Boone Speedway. This includes the following highways... Interstate 35 between mile markers 89 and 97. Interstate 80 between mile markers 127 and 133. PRECAUTIONARY/PREPAREDNESS ACTIONS... If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this storm and may lead to localized flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4158 9401 4183 9420 4208 9381 4168 9347 TIME...MOT...LOC 0324Z 236DEG 23KT 4180 9393 MAX HAIL SIZE...0.25 IN MAX WIND GUST...50 MPH $$ Fowle