McClain County, OK tornado warnings

How many tornado warnings does McClain County get?

From 2016 to 2025, the National Weather Service included McClain County in 61 tornado warnings, about 6.1 a year. Since 2008, 3 tornado warnings that included McClain County were raised to a tornado emergency for at least part of the warned area. Severe thunderstorm warnings were more common: 563 severe thunderstorm warnings, about 56 a year. Since the Weather Service started the tag in 2021, 8 severe thunderstorm warnings that included McClain 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 McClain County

85 tornadoes have been recorded in McClain County since 1950: 32 rated 0, 33 rated 1, 14 rated 2, 2 rated 3, 2 rated 4, 2 rated 5 on the F or EF scale. Along their full paths in Oklahoma, these tornadoes killed 67 people and injured 963. The most came in May (33) and April (20).

Strongest: F5 on May 3, 1999, 37 miles long in Oklahoma, 36 deaths; EF5 on May 20, 2013, 13.9 miles long in Oklahoma, 24 deaths.

Most recent tornadoes

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

Other storms in McClain County

Storm reports in McClain County in the NOAA Storm Events Database through Jun 30, 2026. The largest hail reported in the county was 4.5 inches across.

Recent hail, wind and flash floods

• Jun 23, 2026 · Thunderstorm wind, 75 mph · Blanchard, OK
• Jun 21, 2026 · Thunderstorm wind, 75 mph · Blanchard, OK
• Jun 5, 2025 · Thunderstorm wind, 120 mph · Criner, OK
• Jun 3, 2025 · Hail, 1.75 in · Newcastle, OK
• May 25, 2025 · Hail, 3 in · Goldsby, OK
• May 19, 2025 · Hail, 1 in · Newcastle, OK