NOAA logo  
alert map
Radar valid at 900 am CDT, Apr 20th 2026

alert legend

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-191700-
/O.NEW.KDVN.FZ.W.0001.260420T0500Z-260420T1400Z/
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-
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
210 AM CDT Sun Apr 19 2026

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT
MONDAY...

* 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

iNWS is an experimental service intended for NWS core partners, including emergency managers, community leaders and other government agencies only.