Johnston County, OK tornado warnings

How many tornado warnings does Johnston County get?

From 2016 to 2025, the National Weather Service included Johnston County in 58 tornado warnings, about 5.8 a year. Severe thunderstorm warnings were more common: 388 severe thunderstorm warnings, about 39 a year. Since the Weather Service started the tag in 2021, 7 severe thunderstorm warnings that included Johnston 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 Johnston County

48 tornadoes have been recorded in Johnston County since 1950: 14 rated 0, 17 rated 1, 7 rated 2, 2 rated 3, 1 rated 4, 7 unrated on the F or EF scale. Along their full paths in Oklahoma, these tornadoes killed 3 people and injured 19. The most came in May (20) and April (17).

Strongest: F4 on April 27, 1966, 10.2 miles long in Oklahoma; F3 on March 13, 1953, 45.3 miles long in Oklahoma, 2 deaths.

Most recent tornadoes

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

Other storms in Johnston County

Storm reports in Johnston County in the NOAA Storm Events Database through Jun 30, 2026. The largest hail reported in the county was 4.25 inches across.

Recent hail, wind and flash floods

• Jun 23, 2026 · Flash flood · Pontotoc, OK
• Apr 28, 2026 · Thunderstorm wind, 90 mph · Fillmore, OK
• Apr 25, 2026 · Hail, 1.5 in · Reagan, OK
• Apr 24, 2026 · Hail, 2.75 in · Emet, OK
• Mar 10, 2026 · Thunderstorm wind, 85 mph · Mannsville, OK
• Jun 8, 2025 · Flash flood · Emet, OK