Interactive NWS Alert
Radar valid at 600 am CST, Feb 20th 2026

...ACCUMULATING SNOWFALL WILL IMPACT TRAVEL FROM LATE THURSDAY INTO
FRIDAY...
.Precipitation will spread from western into central Iowa on
Thursday afternoon and evening. Initially, it may begin as rain or a
rain/snow mix before changing to snow. Light to moderate snow
accumulations are expected by Friday morning, but a narrow band of
heavier snowfall is expected.
IAZ027-028-037>039-048>050-060-061-073-074-191345-
/O.EXA.KDMX.WW.Y.0005.260220T0000Z-260220T1200Z/
Butler-Bremer-Hardin-Grundy-Black Hawk-Story-Marshall-Tama-Polk-
Jasper-Warren-Marion-
Including the cities of Dysart, Dike, Tama, Traer, Pella,
Wellsburg, Gladbrook, Knoxville, Parkersburg, Des Moines,
Aplington, Dumont, Ames, Clarksville, Allison, Reinbeck, Greene,
Eldora, Carlisle, Toledo, Cedar Falls, Waterloo, Iowa Falls,
Conrad, Norwalk, Newton, Ackley, Indianola, Grundy Center,
Waverly, Marshalltown, and Shell Rock
936 PM CST Wed Feb 18 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THURSDAY TO 6 AM CST
FRIDAY...
* WHAT...Snow expected. Total snow accumulations of 2 to 5 inches.
* WHERE...Portions of central and east central Iowa.
* WHEN...From 6 PM Thursday to 6 AM CST Friday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Thursday evening and Friday morning
commutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling.
For the latest travel conditions, check the Iowa 511 app,
www.511ia.org, or dial 511.
&&
iNWS is an experimental service intended for NWS core partners,
including emergency managers, community leaders and other government
agencies only.