Weather Alerts For Keokuk, IA

# HEADLINE -------------------- FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT MONDAY # DETAILS -------------------- WHAT Sub-freezing temperatures as low as 26 expected. WHERE Portions of north central, northwest, and west central Illinois and east central, northeast, 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. ISSUED AT Sunday, April 19, 2026 at 2:10 AM CDT ISSUED BY National Weather Service Quad Cities IA IL HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Take steps now to protect tender plants from the cold. # AREAS AFFECTED -------------------- Cedar, Henry IA, Warren, Whiteside, Benton, Buchanan, Bureau, Carroll, Clinton, Delaware, Des Moines, Dubuque, Hancock, Henderson, Henry IL, Iowa, Jackson, Jefferson, Jo Daviess, Johnson, Jones, Keokuk, Lee, Linn, Louisa, McDonough, Mercer, Muscatine, Putnam, Rock Island, Scott, Stephenson, Van Buren, Washington Including the cities of Hennepin, Vinton, Mount Pleasant, Clinton, Anamosa, Dubuque, Sterling, Mount Carroll, Muscatine, Burlington, Tipton, Moline, Oquawka, Geneseo, Aledo, Rock Island, Freeport, Keosauqua, Iowa City, Fort Madison, Carthage, Fairfield, Cedar Rapids, Independence, Sigourney, Washington, Davenport, Galena, Macomb, Princeton, Marengo, Maquoketa, Bettendorf, Manchester, Wapello, and Monmouth

Pollen Index: 8.8 Pollen Level: medium-high Predominant Pollen: Poplar/Aspen/Cottonwood, Cedar/Juniper and Elm. The quantity of pollen grains in the air for Sunday will be increasing over today's levels and extend further into the very high range. This rise is a result of windy conditions. These overall conditions could make it a bit more difficult for those who are allergic to airborne pollens.