KinwarnOwasso, OK tornado warnings
Owasso was inside 6 tornado warnings, 166 severe thunderstorm warnings and 27 flash flood warnings from 2016 to 2025, about 0.6, 17 and 2.7 a year, counting warnings whose outline covered the center of Owasso. The most recent tornado warning there was on March 6, 2026.
In the 12 months to October 19, 2026: 1 tornado warning, 11 severe thunderstorm warnings, 3 flash flood warnings. 24th of 46 Oklahoma cities on Kinwarn for tornado warnings, 2016 to 2025.
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How many tornado warnings does Owasso get?
From 2016 to 2025, the center of Owasso was inside 6 tornado warnings, about 0.6 a year. Severe thunderstorm warnings were more common: 166 severe thunderstorm warnings, about 17 a year. Since the Weather Service started the tag in 2021, 9 severe thunderstorm warnings that covered the center of Owasso were tagged destructive (winds of 80 mph or more, or hail 2.75 inches or larger) for at least part of the warned area.
The table runs from 2008, the first full year the National Weather Service drew an outline around every warning.
| Year | Tornado | Severe thunderstorm | Flash flood |
|---|---|---|---|
| 2026 to Oct 19 | 1 | 11 | 3 |
| 2025 | 1 | 26 | 7 |
| 2024 | 1 | 17 | 6 |
| 2023 | 0 | 16 | 1 |
| 2022 | 0 | 11 | 0 |
| 2021 | 0 | 8 | 1 |
| 2020 | 0 | 19 | 2 |
| 2019 | 3 | 27 | 7 |
| 2018 | 0 | 12 | 0 |
| 2017 | 0 | 24 | 3 |
| 2016 | 1 | 6 | 0 |
| 2015 | 1 | 10 | 12 |
| 2014 | 0 | 5 | 2 |
| 2013 | 0 | 10 | 2 |
| 2012 | 0 | 10 | 3 |
| 2011 | 0 | 19 | 1 |
| 2010 | 0 | 9 | 4 |
| 2009 | 0 | 21 | 6 |
| 2008 | 2 | 22 | 8 |
Flash flood warnings in Owasso
The center of Owasso was inside 27 flash flood warnings from 2016 to 2025, about 2.7 a year, counting warnings whose outline covered the center of Owasso. The most recent flash flood warning there was on June 23, 2026. The most in one year was 12, in 2015. In the 12 months to October 19, 2026: 3 flash flood warnings. Since 2008, 2 flash flood warnings that covered the center of Owasso were raised to a flash flood emergency for at least part of the warned area.
A flash flood warning means a flash flood is happening or about to happen. If you are in an area that floods, move to high ground now, and do not drive or walk into floodwater. A flash flood emergency is the rare flash flood warning the National Weather Service issues when a threat to life and catastrophic damage is happening or about to happen.
Live flash flood warning map · What to do during a flash flood warning · What a flash flood warning means
Tornadoes near Owasso
53 tornadoes have passed within 10 miles of the center of Owasso since 1950, including 1 rated 4 or 5 on the F or EF scale. The most recent was on March 6, 2026 (EF2, 5.8 miles from the center). The strongest: F4 on April 24, 1993, 7.7 miles away at its closest.
| Date | Rating | Closest | Path | Deaths |
|---|---|---|---|---|
| Mar 6, 2026 * | EF2 | 5.8 mi | 4.7 mi | 0 |
| Mar 6, 2026 * | EF1 | 3.6 mi | 2 mi | 0 |
| Mar 6, 2026 * | EF1 | 7.5 mi | 6 mi | 0 |
| Apr 29, 2025 | EF1 | 2.1 mi | 2.4 mi | 0 |
| Apr 2, 2025 | EF1 | 0.4 mi | 10.7 mi | 0 |
| May 25, 2024 | EF3 | 4.1 mi | 23.9 mi | 2 |
| May 21, 2024 | EF1 | 7.5 mi | 5.3 mi | 0 |
| Jun 17, 2023 | EF1 | 8.3 mi | 10.9 mi | 0 |
| Nov 10, 2021 | EF0 | 8.5 mi | 0.3 mi | 0 |
| May 22, 2019 | EF0 | 5.7 mi | 0.2 mi | 0 |
| May 21, 2019 | EF1 | 9.2 mi | 2.3 mi | 0 |
| May 21, 2019 | EF1 | 5.2 mi | 0.7 mi | 0 |
The 12 most recent of 53. Closest is the distance from the center of Owasso to the tornado’s path. Deaths are for the whole path. * From National Weather Service Storm Events reports; the rating can still change.
Near Owasso
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40 tornado warnings, 2016 to 2025 · 104 tornadoes since 1950
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10 tornado warnings, 2016 to 2025
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21 tornado warnings, 2016 to 2025
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All of Oklahoma
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About these numbers
Counts are National Weather Service warnings whose outline covered the center of Owasso, through October 19, 2026. How Kinwarn counts · Oklahoma data (CSV)
Cite: Kinwarn. “Owasso, OK tornado warnings.” kinwarn.com/oklahoma/owasso. National Weather Service data through October 19, 2026.
Sources: IEM warning archive · NWS 2007 outlines · SPC tornado database · Census places · NWS tornado alerts · NWS destructive tag · NWS flood alerts · NWS flash flood tags