Sump Pump Test in Oklahoma
In Oklahoma, local sump pump deadlines run from Mar 31 to Apr 7, with a median around Apr 2 — 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
- Tulsa — earliest deadline in the state
- Muskogee — latest deadline in the state
- Midwest City — near the state median
All Oklahoma cities
| City | Local deadline | Median first 28°F | ||
|---|---|---|---|---|
| Tulsa | Mar 31 | Nov 13 | View → | Checklist |
| Norman | Mar 31 | Nov 14 | View → | Checklist |
| Broken Arrow | Apr 1 | Nov 9 | View → | Checklist |
| Lawton | Apr 1 | Nov 14 | View → | Checklist |
| Edmond | Apr 2 | Nov 13 | View → | Checklist |
| Midwest City | Apr 2 | Nov 13 | View → | Checklist |
| Oklahoma City | Apr 4 | Nov 11 | View → | Checklist |
| Moore | Apr 4 | Nov 11 | View → | Checklist |
| Stillwater | Apr 5 | Nov 9 | View → | Checklist |
| Enid | Apr 6 | Nov 10 | View → | Checklist |
| Muskogee | Apr 7 | Nov 8 | View → | Checklist |
Back to the national Sump Pump Test guide, or see the methodology.
Data: NOAA NCEI 1991–2020 U.S. Climate Normals; live outlook by Open-Meteo. Last updated: July 11, 2026.