WWUS73 KDMX 191606 NPWDMX URGENT - WEATHER MESSAGE National Weather Service Des Moines IA 1106 AM CDT Sun Apr 19 2026 IAZ035>039-047>050-061-062-075-086-200215- /O.CON.KDMX.FZ.W.0001.260420T0500Z-260420T1400Z/ Webster-Hamilton-Hardin-Grundy-Black Hawk-Boone-Story-Marshall- Tama-Jasper-Poweshiek-Mahaska-Wapello- Including the cities of Gladbrook, Fort Dodge, Marshalltown, Grundy Center, Tama, Boone, Ottumwa, Traer, Oskaloosa, Ackley, Ames, Grinnell, Webster City, Eldora, Iowa Falls, Dike, Wellsburg, Waterloo, Cedar Falls, Toledo, Newton, Dysart, Conrad, and Reinbeck 1106 AM CDT Sun Apr 19 2026 ...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT MONDAY... * WHAT...Sub-freezing temperatures as low as 22 expected. * WHERE...Portions of central, northeast, south central, and southeast Iowa. * WHEN...From midnight tonight to 9 AM CDT Monday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ IAZ060-073-074-084-085-095>097-200215- /O.CON.KDMX.FR.Y.0001.260420T0500Z-260420T1400Z/ Polk-Warren-Marion-Lucas-Monroe-Wayne-Appanoose-Davis- Including the cities of Corydon, Knoxville, Carlisle, Indianola, Bloomfield, Des Moines, Humeston, Centerville, Seymour, Pella, Albia, Allerton, Chariton, and Norwalk 1106 AM CDT Sun Apr 19 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT MONDAY... * WHAT...Temperatures as low as 27 will result in frost formation. * WHERE...Polk, Appanoose, Lucas, Marion, Monroe, Warren, Wayne, and Davis Counties. * WHEN...From midnight tonight to 9 AM CDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ De Bruin