Sprinkler Winterization in Missouri
In Missouri, local sprinklers deadlines run from Oct 16 to Nov 5, with a median around Oct 28 — 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 16 | Oct 26 | View → | Checklist |
| Lee's Summit | Oct 24 | Nov 3 | View → | Checklist |
| Joplin | Oct 25 | Nov 4 | View → | Checklist |
| Cape Girardeau | Oct 25 | Nov 4 | View → | Checklist |
| Independence | Oct 26 | Nov 5 | View → | Checklist |
| O'Fallon | Oct 26 | Nov 5 | View → | Checklist |
| St. Peters | Oct 26 | Nov 5 | View → | Checklist |
| Springfield | Oct 28 | Nov 7 | View → | Checklist |
| Blue Springs | Oct 28 | Nov 7 | View → | Checklist |
| Chesterfield | Oct 29 | Nov 8 | View → | Checklist |
| Jefferson City | Oct 29 | Nov 8 | View → | Checklist |
| Columbia | Oct 30 | Nov 9 | View → | Checklist |
| St. Charles | Oct 31 | Nov 10 | View → | Checklist |
| Kansas City | Nov 1 | Nov 11 | View → | Checklist |
| Florissant | Nov 3 | Nov 13 | View → | Checklist |
| St. Louis | Nov 5 | Nov 15 | View → | Checklist |
Back to the national Sprinkler Winterization guide, or see the methodology.
Data: NOAA NCEI 1991–2020 U.S. Climate Normals; live outlook by Open-Meteo. Last updated: July 11, 2026.