Frozen Pipe Protection in Montana

In Montana, local frozen pipes deadlines run from Sep 5 to Sep 19, with a median around Sep 17 — 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 — Montana deadlines city by city — Photo: Eva Bronzini / Pexels

Jump to a city

Notable cities

Bozeman — earliest deadline in the state
Billings — latest deadline in the state
Great Falls — near the state median

All Montana cities

City	Local deadline	Median first 28°F
Bozeman	Sep 5	Oct 3	View →	Checklist
Missoula	Sep 16	Oct 12	View →	Checklist
Great Falls	Sep 17	Oct 11	View →	Checklist
Helena	Sep 17	Oct 7	View →	Checklist
Billings	Sep 19	Oct 12	View →	Checklist

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

Frozen Pipe Protection in Montana: related searches

Montana 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.

pipe freeze temperaturehow to keep pipes from freezingheat tape for pipespipe insulation cost per footlet faucets drip in winterburst pipe insurance claimthermostat setting for vacation in winterfrozen pipe prevention checklist

Back to the national Frozen Pipe Protection guide, or see the methodology. You can also compare how the frozen pipe protection window shifts in Missouri and Nebraska.

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