Dewey County, OK tornado warnings

How many tornado warnings does Dewey County get?

From 2016 to 2025, the National Weather Service included Dewey County in 22 tornado warnings, about 2.2 a year. Severe thunderstorm warnings were more common: 437 severe thunderstorm warnings, about 44 a year. Since the Weather Service started the tag in 2021, 16 severe thunderstorm warnings that included Dewey County 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.

Tornado history of Dewey County

56 tornadoes have been recorded in Dewey County since 1950: 25 rated 0, 19 rated 1, 9 rated 2, 2 rated 3, 1 unrated on the F or EF scale. Along their full paths in Oklahoma, these tornadoes killed 1 person and injured 9. The most came in May (21) and April (11).

Strongest: EF3 on May 24, 2011, 13.2 miles long in Oklahoma, 1 death; F3 on April 17, 2002, 8 miles long in Oklahoma.

Most recent tornadoes

* From National Weather Service Storm Events reports; the rating can still change.

Other storms in Dewey County

Storm reports in Dewey County in the NOAA Storm Events Database through Jun 30, 2026. The largest hail reported in the county was 4.75 inches across.

Recent hail, wind and flash floods

• Jun 21, 2026 · Thunderstorm wind, 86 mph · Putnam, OK
• May 18, 2026 · Thunderstorm wind, 59 mph · Putnam, OK
• Apr 17, 2026 · Hail, 1.25 in · Putnam, OK
• Mar 5, 2026 · Hail, 2 in · Leedey, OK
• Sep 1, 2025 · Thunderstorm wind, 74 mph · Camargo, OK
• Jun 8, 2025 · Hail, 1 in · Hucmac, OK