Owasso, OK
Local storm history & FEMA National Risk Index data
Owasso is rated Relatively High for overall natural hazard risk — higher risk than most US counties — based on FEMA's National Risk Index for Tulsa County, OK. The county's highest-rated hazards are ice storm, heat wave, and strong wind.
Storm events near Owasso
NOAA-recorded tornado, hail, and flood events within 25 miles of Owasso's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Owasso itself, not the whole county.
County-wide hazard risk
Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Tulsa County's FEMA National Risk Index scores, covering Owasso along with the rest of the county, not a Owasso-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 91.3 | Relatively Moderate |
| Inland Flooding | 97.9 | Relatively High |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 89.9 | Relatively Low |
| Heat Wave | 99.6 | Relatively High |
| Tornado | 99.1 | Very High |
| Avalanche | — | Not Applicable |
| Cold Wave | 94.3 | Relatively High |
| Drought | 73.5 | Relatively Moderate |
| Hail | 98.4 | Relatively High |
| Hurricane | 46.3 | Very Low |
| Ice Storm | 99.7 | Very High |
| Landslide | 68.7 | Relatively Low |
| Lightning | 91.9 | Relatively High |
| Strong Wind | 99.4 | Very High |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 89.4 | Relatively High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Tulsa County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Tulsa County:
More on Tulsa County:
Frequently asked questions
What natural hazards is Owasso, OK at risk of?
Owasso is rated Relatively High for overall natural hazard risk by FEMA's National Risk Index — higher risk than most US counties. The highest-rated hazards for Tulsa County, where Owasso is located, are ice storm, heat wave, and strong wind.
What is Owasso's biggest natural hazard risk?
Ice Storm is the highest-rated hazard for Tulsa County, where Owasso is located, scoring 99.7 out of 100 on FEMA's National Risk Index (rated "Very High").
Is Owasso a high-risk area for natural disasters?
Yes — Owasso carries higher risk than most US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively High" for Tulsa County.
Has Owasso had tornadoes, hail, or flooding?
NOAA has recorded 69 tornado, 424 hail, 171 inland flooding events within 25 miles of Owasso since 2016.