Johnson County weather alerts
There are no active weather alerts for Johnson County, TX right now.
Since 2016 the National Weather Service has issued about 834 alerts that included Johnson County, roughly 83 a year. The most common is the severe thunderstorm warning (202 from 2016 to 2025). The last tornado warning was issued on April 29, 2026. 107 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 Johnson County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Hood County, Hill County, Ellis County, Tarrant County.
Johnson County alert history
Alert events that included Johnson County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 202 | 15 | October 15, 2026 |
| Flood Advisory | 83 | 6 | October 4, 2026 |
| Wind Advisory | 82 | 4 | October 16, 2026 |
| Severe Thunderstorm Watch | 81 | 4 | July 5, 2026 |
| Dense Fog Advisory | 71 | 2 | November 1, 2026 |
| Heat Advisory | 58 | 12 | September 12, 2026 |
| Flood Watch | 42 | 2 | September 30, 2026 |
| Tornado Watch | 41 | 3 | April 28, 2026 |
| Flash Flood Warning | 37 | 3 | October 1, 2026 |
| Tornado Warning | 19 | 3 | April 29, 2026 |
| Extreme Heat Warning | 19 | 3 | August 23, 2026 |
| Flood Warning | 18 | 2 | June 7, 2026 |
| Red Flag Warning | 18 | 1 | March 15, 2026 |
| Winter Weather Advisory | 13 | 0 | February 18, 2025 |
| Freeze Warning | 11 | 2 | March 17, 2026 |
| Cold Weather Advisory | 6 | 1 | January 31, 2026 |
| Winter Storm Warning | 6 | 1 | January 24, 2026 |
| Winter Storm Watch | 5 | 1 | January 23, 2026 |
| Frost Advisory | 4 | 0 | April 7, 2025 |
| Fire Weather Watch | 4 | 1 | March 15, 2026 |
| Freeze Watch | 3 | 0 | November 10, 2025 |
| High Wind Warning | 3 | 0 | March 14, 2025 |
| Extreme Heat Watch | 2 | 0 | August 13, 2019 |
| Extreme Cold Warning | 2 | 1 | January 25, 2026 |
| Extreme Cold Watch | 2 | 1 | January 25, 2026 |
| Ice Storm Warning | 1 | 0 | February 1, 2023 |
| High Wind Watch | 1 | 0 | March 14, 2025 |
Tornado history in Johnson County
107 tornadoes have been recorded in Johnson County since 1950, injuring 34 people. That ranks 8 of 254 counties in Texas. The most recent was on April 4, 2022 (rated EF0).
Strongest tornadoes in Johnson County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 26, 1976 | F4 | Johnson County | 18.8 mi | 300 yd | 0 | 0 |
| May 15, 2013 | EF3 | Johnson County | 7.8 mi | 1,733 yd | 0 | 7 |
| May 26, 1976 | F3 | Johnson County | 3.8 mi | 100 yd | 0 | 0 |
| April 23, 1973 | F3 | Johnson County | 2.5 mi | 333 yd | 0 | 3 |
| March 26, 1961 | F3 | Johnson County | 1 mi | 50 yd | 0 | 0 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| April 4, 2022 | EF0 | Johnson County | 2.8 mi | 50 yd | 0 | 0 |
| April 4, 2022 | EF0 | Johnson County | 4.9 mi | 200 yd | 0 | 0 |
| April 4, 2022 | EF0 | Johnson County | 1.7 mi | 75 yd | 0 | 0 |
| April 4, 2022 | EF2 | Johnson County | 9.7 mi | 150 yd | 0 | 1 |
| May 3, 2021 | EF0 | Johnson County | 0.2 mi | 50 yd | 0 | 0 |
About Johnson County
- Population: 210,547 (2024 estimate)
- State: Texas
- NOAA Weather Radio SAME code: 048251 (how to use it)