Weather Alerts For Melcher-Dallas, IA
Frost Advisory
-# HEADLINE -------------------- FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT MONDAY # DETAILS -------------------- WHAT Temperatures as low as 26 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. ISSUED AT Sunday, April 19, 2026 at 2:13 AM CDT ISSUED BY National Weather Service Des Moines IA HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Take steps now to protect tender plants from the cold. # AREAS AFFECTED -------------------- Appanoose, Davis, Lucas, Marion, Monroe, Polk, Warren, Wayne Including the cities of Seymour, Chariton, Knoxville, Carlisle, Centerville, Humeston, Corydon, Norwalk, Albia, Pella, Des Moines, Indianola, Bloomfield, and Allerton
Pollen Alert
-Pollen Index: 11.2 Pollen Level: high Predominant Pollen: Elm, Poplar/Aspen/Cottonwood and Maple. Concentration of pollen grains in the air for Sunday will be unchanged in the extremely high range. Constant and seasonally normal weather conditions tend to stabilize pollen concentrations in the outdoor air.