RV Winterization in Iowa

In Iowa, local rv deadlines run from Oct 8 to Oct 22, with a median around Oct 18 — a spread of weeks that a single statewide date would miss. Find your city below; each links to local freeze odds, a live 10-day outlook, and a checklist.

Motorhome parked on a snowy street in falling snow — drain and antifreeze the water system before the first hard freeze — Iowa deadlines city by city — Photo: Arlind Photography / Unsplash

Jump to a city

Notable cities

Sioux City — earliest deadline in the state
Dubuque — latest deadline in the state
Iowa City — near the state median

All Iowa cities

City	Local deadline	Median first 28°F
Sioux City	Oct 8	Oct 18	View →	Checklist
Ames	Oct 9	Oct 19	View →	Checklist
Waterloo	Oct 10	Oct 20	View →	Checklist
Cedar Falls	Oct 10	Oct 20	View →	Checklist
Cedar Rapids	Oct 12	Oct 22	View →	Checklist
Ankeny	Oct 15	Oct 25	View →	Checklist
Iowa City	Oct 18	Oct 28	View →	Checklist
Des Moines	Oct 20	Oct 30	View →	Checklist
Council Bluffs	Oct 20	Oct 30	View →	Checklist
West Des Moines	Oct 20	Oct 30	View →	Checklist
Urbandale	Oct 20	Oct 30	View →	Checklist
Davenport	Oct 21	Oct 31	View →	Checklist
Dubuque	Oct 22	Nov 1	View →	Checklist

Local rv winterization deadlines for Iowa cities — built from each city’s own NOAA station, not one statewide date.

RV Winterization in Iowa: related searches

Iowa homeowners search for: RV winterization checklist, how to winterize a camper, and "rv winterization near me" — every city page below answers those with local NOAA dates.

RV winterization checklisthow to winterize a camperRV antifreeze how many gallonswater heater bypass RVblow out RV water linesnon-toxic RV antifreezeRV low point drainwinterize travel trailer

Back to the national RV Winterization guide, or see the methodology. You can also compare how the rv winterization window shifts in Indiana and Kansas.

Data: NOAA NCEI 1991–2020 U.S. Climate Normals; live outlook by Open-Meteo. Last updated: July 25, 2026.