McClain County weather alerts
There are no active weather alerts for McClain County, OK right now.
Since 2016 the National Weather Service has issued about 1,800 alerts that included McClain County, roughly 180 a year. The most common is the severe thunderstorm warning (563 from 2016 to 2025). The last tornado warning was issued on April 4, 2026. 85 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 McClain County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring Grady County, Cleveland County, Pottawatomie County, Garvin County.
McClain County alert history
Alert events that included McClain County or its forecast zones, from the NWS warning archive.
| Alert type | 2016–2025 | 2026 | Last issued |
|---|---|---|---|
| Severe Thunderstorm Warning | 563 | 66 | November 3, 2026 |
| Flood Advisory | 209 | 28 | October 15, 2026 |
| Heat Advisory | 158 | 30 | September 13, 2026 |
| Severe Thunderstorm Watch | 124 | 13 | October 14, 2026 |
| Wind Advisory | 103 | 6 | April 18, 2026 |
| Dense Fog Advisory | 96 | 2 | November 1, 2026 |
| Flash Flood Warning | 81 | 11 | October 15, 2026 |
| Flood Watch | 73 | 5 | October 14, 2026 |
| Tornado Warning | 61 | 3 | April 4, 2026 |
| Tornado Watch | 53 | 9 | November 2, 2026 |
| Winter Weather Advisory | 45 | 0 | December 4, 2025 |
| Flood Warning | 44 | 6 | October 19, 2026 |
| Red Flag Warning | 33 | 9 | August 24, 2026 |
| Fire Weather Watch | 29 | 6 | March 26, 2026 |
| Extreme Heat Warning | 27 | 6 | August 24, 2026 |
| Freeze Warning | 26 | 0 | November 10, 2025 |
| Freeze Watch | 16 | 0 | November 10, 2025 |
| Cold Weather Advisory | 13 | 2 | January 31, 2026 |
| Winter Storm Warning | 11 | 1 | January 23, 2026 |
| Frost Advisory | 10 | 0 | November 2, 2025 |
| Winter Storm Watch | 9 | 1 | January 23, 2026 |
| High Wind Warning | 6 | 1 | March 15, 2026 |
| Extreme Cold Warning | 3 | 1 | January 24, 2026 |
| Extreme Cold Watch | 3 | 1 | January 24, 2026 |
| Ice Storm Warning | 2 | 0 | October 26, 2020 |
| High Wind Watch | 2 | 1 | March 15, 2026 |
Tornado history in McClain County
85 tornadoes have been recorded in McClain County since 1950, killing 67 people and injuring 963. That ranks 14 of 77 counties in Oklahoma. The most recent was on June 6, 2025 (rated EF0).
Strongest tornadoes in McClain County
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| May 3, 1999 | F5 | Grady County | 37 mi | 1,430 yd | 36 | 583 |
| May 20, 2013 | EF5 | McClain County | 13.9 mi | 1,900 yd | 24 | 212 |
| May 24, 2011 | EF4 | Grady County | 33.3 mi | 880 yd | 1 | 48 |
| May 24, 2011 | EF4 | Grady County | 23.1 mi | 880 yd | 0 | 61 |
| November 19, 1973 | F3 | McClain County | 24.2 mi | 500 yd | 5 | 36 |
Most recent tornadoes
| Date | Rating | County | Path length | Width | Deaths | Injuries |
|---|---|---|---|---|---|---|
| June 6, 2025 | EF0 | McClain County | 2.3 mi | 50 yd | 0 | 0 |
| June 6, 2025 | EF0 | McClain County | 1.3 mi | 100 yd | 0 | 0 |
| June 6, 2025 | EF0 | McClain County | 1.5 mi | 30 yd | 0 | 0 |
| June 3, 2025 | EF1 | McClain County | 2.8 mi | 125 yd | 0 | 0 |
| November 3, 2024 | EF1 | McClain County | 7 mi | 200 yd | 0 | 0 |
About McClain County
- Population: 48,434 (2024 estimate)
- State: Oklahoma
- NOAA Weather Radio SAME code: 040087 (how to use it)