Boat Winterization in Missouri
In Missouri, local boat deadlines run from Oct 19 to Nov 8, with a median around Oct 31 — 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.
Notable cities
- St. Joseph — earliest deadline in the state
- St. Louis — latest deadline in the state
- Blue Springs — near the state median
All Missouri cities
| City | Local deadline | Median first 28°F | ||
|---|---|---|---|---|
| St. Joseph | Oct 19 | Oct 26 | View → | Checklist |
| Lee's Summit | Oct 27 | Nov 3 | View → | Checklist |
| Joplin | Oct 28 | Nov 4 | View → | Checklist |
| Cape Girardeau | Oct 28 | Nov 4 | View → | Checklist |
| Independence | Oct 29 | Nov 5 | View → | Checklist |
| O'Fallon | Oct 29 | Nov 5 | View → | Checklist |
| St. Peters | Oct 29 | Nov 5 | View → | Checklist |
| Springfield | Oct 31 | Nov 7 | View → | Checklist |
| Blue Springs | Oct 31 | Nov 7 | View → | Checklist |
| Chesterfield | Nov 1 | Nov 8 | View → | Checklist |
| Jefferson City | Nov 1 | Nov 8 | View → | Checklist |
| Columbia | Nov 2 | Nov 9 | View → | Checklist |
| St. Charles | Nov 3 | Nov 10 | View → | Checklist |
| Kansas City | Nov 4 | Nov 11 | View → | Checklist |
| Florissant | Nov 6 | Nov 13 | View → | Checklist |
| St. Louis | Nov 8 | Nov 15 | View → | Checklist |
Local boat winterization deadlines for Missouri cities — built from each city’s own NOAA station, not one statewide date.
Boat Winterization in Missouri: related searches
Missouri homeowners search for: how to winterize a boat, winterize outboard motor, and "boat winterization near me" — every city page below answers those with local NOAA dates.
Back to the national Boat Winterization guide, or see the methodology. You can also compare how the boat winterization window shifts in Mississippi and Montana.
Data: NOAA NCEI 1991–2020 U.S. Climate Normals; live outlook by Open-Meteo. Last updated: July 25, 2026.