Frozen Pipe Protection in Iowa

In Iowa, local frozen pipes deadlines run from Sep 23 to Oct 7, with a median around Oct 4 — 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.

Frozen outdoor pipe with a thick icicle after a hard freeze — protect plumbing before freezing nights arrive — Iowa deadlines city by city — Photo: Eva Bronzini / Pexels

Jump to a city

Notable cities

Ames — earliest deadline in the state
Dubuque — latest deadline in the state
Des Moines — near the state median

All Iowa cities

City	Local deadline	Median first 28°F
Ames	Sep 23	Oct 19	View →	Checklist
Sioux City	Sep 24	Oct 18	View →	Checklist
Waterloo	Sep 26	Oct 20	View →	Checklist
Cedar Falls	Sep 26	Oct 20	View →	Checklist
Cedar Rapids	Sep 29	Oct 22	View →	Checklist
Ankeny	Sep 30	Oct 25	View →	Checklist
Des Moines	Oct 4	Oct 30	View →	Checklist
Iowa City	Oct 4	Oct 28	View →	Checklist
West Des Moines	Oct 4	Oct 30	View →	Checklist
Urbandale	Oct 4	Oct 30	View →	Checklist
Council Bluffs	Oct 6	Oct 30	View →	Checklist
Davenport	Oct 7	Oct 31	View →	Checklist
Dubuque	Oct 7	Nov 1	View →	Checklist

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

Frozen Pipe Protection in Iowa: related searches

Iowa homeowners search for: pipe freeze temperature, how to keep pipes from freezing, and "frozen pipe protection near me" — every city page below answers those with local NOAA dates.

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Back to the national Frozen Pipe Protection guide, or see the methodology. You can also compare how the frozen pipe protection 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.