804
WWUS73 KDMX 170631
NPWDMX

URGENT - WEATHER MESSAGE
National Weather Service Des Moines IA
131 AM CDT Thu Sep 17 2026

IAZ023>028-033>039-044>050-061-062-171500-
/O.EXA.KDMX.FG.Y.0011.000000T0000Z-260917T1500Z/
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun-
Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene-
Boone-Story-Marshall-Tama-Jasper-Poweshiek-
Including the cities of Schaller, Clarksville, Wall Lake, Lake City,
Eldora, Gilmore City, Odebolt, Grundy Center, Ackley, Waterloo,
Denison, Allison, Waverly, Clarion, Webster City, Fonda, Rockwell
City, Cedar Falls, Marshalltown, Belmond, Newton, Parkersburg,
Manson, Iowa Falls, Reinbeck, Fort Dodge, Boone, Pocahontas, Rolfe,
Greene, Early, Dike, Dumont, Lake View, Eagle Grove, Tama, Grinnell,
Sac City, Hampton, Conrad, Carroll, Laurens, Toledo, Traer, Shell
Rock, Humboldt, Ames, Wellsburg, Jefferson, Dysart, Aplington,
Pomeroy, and Gladbrook
131 AM CDT Thu Sep 17 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...

* WHAT...Visibility less than one half mile in dense fog.

* WHERE...Portions of central and northern Iowa.

* WHEN...Until 10 AM CDT this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

IAZ057>060-070>075-081>086-092>097-171500-
/O.CON.KDMX.FG.Y.0011.000000T0000Z-260917T1500Z/
Audubon-Guthrie-Dallas-Polk-Cass-Adair-Madison-Warren-Marion-Mahaska-
Adams-Union-Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-
Wayne-Appanoose-Davis-
Including the cities of Centerville, Bayard, Chariton, Perry, Exira,
Creston, Mount Ayr, Allerton, Waukee, Pella, Oskaloosa, New Market,
Audubon, Guthrie Center, Seymour, Humeston, Albia, Lenox, Bloomfield,
Osceola, Greenfield, Atlantic, Carlisle, Casey, Norwalk, Corydon,
Lamoni, Stuart, Panora, Corning, Bedford, Winterset, Earlham, Des
Moines, Knoxville, Ottumwa, Leon, Fontanelle, Adair, Adel, and
Indianola
131 AM CDT Thu Sep 17 2026

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

* WHAT...Visibility less than one half mile in dense fog.

* WHERE...Portions of central and southern Iowa.

* WHEN...Until 10 AM CDT this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

67