Grant County, Oklahoma severe weather history spans 676 recorded events between 1953 and 2026. The dominant hazard is hail, accounting for 55.3% of all recorded events. It ranks #436 nationally and #44 in Oklahoma.
676
Recorded events
0
Direct deaths
8
Direct injuries
$9.8M
Property damage
The record
What the Grant County, Oklahoma severe weather history record shows
Across the archive, Grant County, Oklahoma severe weather history averages 9.3 recorded events a year. The busiest stretch on record is the 1990s, with 217 events logged in that decade alone. Roughly 140 events fall before 1990 and 536 from 1990 onward — a gap that reflects the expansion of NOAA reporting practice as much as the weather itself.
The costliest is tornado, with $9.4M in reported property damage. In total, 7 distinct hazard types appear in this county archive, each listed with its own dated record below.
By hazard type
Every hazard type recorded in Grant County
| Hazard | Events | Deaths | Damage | Max | Span |
|---|---|---|---|---|---|
| Hail | 374 | 0 | $54K | 4.5 | 1958–2026 |
| Thunderstorm Wind | 181 | 0 | $341K | 96 | 1959–2026 |
| Tornado | 80 | 0 | $9.4M | F4 | 1953–2026 |
| Flash Flood | 32 | 0 | $27K | 0 | 1996–2019 |
| Flood | 4 | 0 | $0 | 0 | 2008–2019 |
| Heavy Rain | 3 | 0 | $0 | 0 | 2007–2008 |
| Funnel Cloud | 2 | 0 | $0 | 0 | 2003–2003 |
Decade by decade
Grant County, Oklahoma severe weather history by decade
Reporting practice changed over time — early decades are undercounted, not calmer.
Tornado tracks
Paths crossing this county
77 mapped tornado paths intersect this county: 69 touched down inside it and 8 crossed in from a neighbouring county. This comes from path geometry, not county-tagged reports.
| Date | Scale | Deaths | Injuries | Path length | Origin |
|---|---|---|---|---|---|
| 1965-03-16 | EF4 | 0 | 7 | 82.7 mi | Touched down here |
| 2010-05-10 | EF3 | 0 | 2 | 40.7 mi | Touched down here |
| 1998-05-24 | EF3 | 0 | 0 | 5.3 mi | Touched down here |
| 1991-03-26 | EF3 | 0 | 0 | 67.0 mi | Touched down here |
| 1991-04-12 | EF3 | 0 | 0 | 9.0 mi | Crossed in |
| 1991-04-12 | EF3 | 0 | 0 | 9.5 mi | Touched down here |
| 1990-03-13 | EF3 | 0 | 0 | 19.0 mi | Touched down here |
| 1990-03-13 | EF3 | 0 | 0 | 22.0 mi | Touched down here |
| 1958-11-17 | EF3 | 0 | 0 | 39.2 mi | Crossed in |
| 1955-05-25 | EF3 | 0 | 1 | 13.3 mi | Touched down here |
Significant events
Deadliest events on record in Grant County
| Date | Type | Location | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Apr 3, 1956 | Tornado | 0 | 4 | $250K | |
| Mar 16, 1965 | Tornado | 0 | 2 | $250K | |
| May 10, 2010 | Tornado | WAKITA | 0 | 1 | $0 |
| May 26, 1955 | Tornado | 0 | 1 | $25K |
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
This tornado developed south of Wakita and a mobile home was unroofed and at least two buildings were destroyed along Harper Road. A number of power poles were damaged along State Highway 11 as the tornado moved northeast. Although the last damage was noted by the survey team along State Highway 11, a storm chaser observed the tornado at least a couple of miles farther northeast and the tornado is estimated to have dissipated about 5 miles southeast of Wakita.
A barn was damaged and twenty-two power poles were knocked down across state highway 132, 1.5 miles south of Manchester. Close to 3000 people were without power for a several hours. Highway 132 was also closed due to the damage. Monetary damages were estimated.
This tornado moved from Alfalfa County into Grant County west of Nash, along and north of U.S. Highway 64. A row of power poles was broken along U.S. 64 on both sides on the Alfalfa-Grant County line with damage consistent with an EF2 tornado The tornado was turning to the left and moving more north-northeast as it moved into Grant County. The tornado continued to damage trees and power poles between the county line and N2760 Road in areas south of E0220 Road. The tornado dissipated near or soon after crossing E0220 Road.
Context
Risk, population and federal disasters
Very Low
FEMA NRI risk rating
4,131
Population (ACS)
$106K
Median home value
32
Federal declarations
| Declared | Incident | Title | Type |
|---|---|---|---|
| Feb 24, 2021 | Severe Ice Storm | SEVERE WINTER STORMS | DR |
| Feb 17, 2021 | Severe Ice Storm | SEVERE WINTER STORM | EM |
| Dec 21, 2020 | Severe Ice Storm | SEVERE WINTER STORM | DR |
| Apr 5, 2020 | Biological | COVID-19 PANDEMIC | DR |
| Mar 13, 2020 | Biological | COVID-19 | EM |
| Jun 1, 2019 | Severe Storm | SEVERE STORMS, STRAIGHT-LINE WINDS, TORNADOES, AND FLOODING | DR |
Within the county
Most affected places
- Medford 159
Quick answers
Frequently asked
How many severe weather events have been recorded in Grant County, Oklahoma?
676 events are on record between 1953 and 2026, causing 0 direct deaths and $9.8M in property damage.
What is the most common severe weather hazard in Grant County?
Hail, with 374 recorded events — 55.3% of everything in the archive for this county.
How many tornadoes have crossed Grant County?
77 mapped tornado paths intersect the county boundary; 69 of them touched down inside it. This is derived from path geometry, not county-tagged reports.
How many federal disaster declarations cover Grant County?
32 federal disaster declarations from FEMA include Grant County, each tied to a specific incident period.
How risky is Grant County compared with the rest of the country?
FEMA's National Risk Index rates Grant County as very low risk, placing it in the 28 percentile of its state for expected annual loss.
Where does the Grant County, Oklahoma severe weather history data come from?
Every figure is drawn from United States federal public-domain records: NOAA/NCEI Storm Events for the event archive, NOAA SPC SVRGIS for mapped tornado paths, FEMA for disaster declarations and risk ratings, and the U.S. Census for population context. Dates are shown in UTC and recent entries may still be revised by NOAA.
Nearby
Neighbouring counties
- Grady County 1,217
- Greer County 539
- Garvin County 768
- Harmon County 497
- Garfield County 1,243
- Harper County 611
Cite this page
“Grant County, Oklahoma.” Severe Weather History. severeweatherhistory.com/county/oklahoma/grant-county/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.