Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Des Moines IA
302 PM CDT Sun Apr 19 2026

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-202015-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun-
Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene-
Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper-
Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union-
Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-
Appanoose-Davis-
302 PM CDT Sun Apr 19 2026

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...This afternoon and tonight

A Freeze Warning and Frost Advisory are in effect for parts of the
area. Please refer to the National Weather Service website at
weather.gov/desmoines for further details.

Freezing temperatures are expected tonight across northern Iowa.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Thunderstorm chances return Thursday. There is a slight risk for
severe weather for the southern half of the area. Details will be
better defined in the coming days.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed at this time.

$$

URGENT - WEATHER MESSAGE
National Weather Service Des Moines IA
239 PM CDT Sun Apr 19 2026

IAZ035>039-047>050-061-062-075-086-200545-
/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
239 PM 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.

&&

$$

Hazard Report Provided By forecast.weather.gov