Weather Alerts Map

Johnston County weather alerts

There are no active weather alerts for Johnston County, OK right now.

Since 2016 the National Weather Service has issued about 1,466 alerts that included Johnston County, roughly 147 a year. The most common is the severe thunderstorm warning (388 from 2016 to 2025). The last tornado warning was issued on April 28, 2026. 45 tornadoes have touched down in the county since 1950.

Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS

No warnings, watches or advisories include Johnston County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Carter County, Murray County, Coal County, Pontotoc County.

Map data: NWS, OpenFreeMap, OpenStreetMap

Johnston County alert history

Alert events that included Johnston County or its forecast zones, from the NWS warning archive.

Alert type2016–20252026Last issued
Severe Thunderstorm Warning38839November 3, 2026
Flood Advisory19723October 15, 2026
Heat Advisory18937September 17, 2026
Severe Thunderstorm Watch1218October 14, 2026
Dense Fog Advisory892November 1, 2026
Flash Flood Warning679October 1, 2026
Tornado Watch607November 3, 2026
Tornado Warning588April 28, 2026
Flood Watch574September 30, 2026
Wind Advisory461March 15, 2026
Extreme Heat Warning428August 24, 2026
Flood Warning403June 23, 2026
Freeze Warning240November 10, 2025
Winter Weather Advisory220February 18, 2025
Freeze Watch140November 10, 2025
Red Flag Warning113August 24, 2026
Winter Storm Watch91January 23, 2026
Cold Weather Advisory82January 31, 2026
Winter Storm Warning71January 23, 2026
Frost Advisory50November 2, 2025
Fire Weather Watch51February 19, 2026
Extreme Cold Warning31January 24, 2026
Extreme Cold Watch21January 24, 2026
High Wind Warning10May 23, 2020
Extreme Heat Watch10July 20, 2022

Tornado history in Johnston County

45 tornadoes have been recorded in Johnston County since 1950, killing 3 people and injuring 19. That ranks 60 of 77 counties in Oklahoma. The most recent was on April 19, 2025 (rated EF1).

EF0: 12EF012EF1: 16EF116EF2: 7EF27EF3: 2EF32EF4: 1EF41EF5: 0EF5
Tornadoes by (E)F rating

Strongest tornadoes in Johnston County

DateRatingCountyPath lengthWidthDeathsInjuries
April 27, 1966F4Johnston County10.2 mi300 yd02
March 13, 1953F3Love County45.3 mi200 yd211
May 9, 2016EF3Johnston County9.1 mi700 yd10
April 11, 2001F2Johnston County19 mi500 yd04
May 9, 1951F2Bryan County14.8 mi100 yd01

Most recent tornadoes

DateRatingCountyPath lengthWidthDeathsInjuries
April 19, 2025EF1Johnston County12 mi300 yd00
April 19, 2025?Johnston County0.5 mi50 yd00
March 4, 2025EF1Johnston County1.6 mi100 yd00
April 27, 2024?Johnston County1.1 mi200 yd00
April 27, 2024EF1Johnston County4.7 mi150 yd00

Oklahoma tornado history and map →

About Johnston County

Neighboring counties