261
Recorded events
0
Direct deaths
0
Direct injuries
$1.1M
Property damage
Hail in Delaware County, Oklahoma: 261 recorded events between 1961 and 2026. The strongest on record measured 3. That places the county #400 nationally and #63 statewide for this hazard.
Decade by decade
Hail in Delaware County, Oklahoma: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for hail in Delaware County is the 1990s, when 113 of the county's 261 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.
Within the Delaware County archive, hail makes up 41.0% of all recorded severe weather across 6 hazard types. Nationally the county sits at #400 for this hazard and #63 within Oklahoma, putting it in the 87.2 percentile of all U.S. counties.
Seasonality
Events by month
May is the peak month for hail in Delaware County with 76 recorded events, while Feb is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Apr 28, 2026 | KANSAS | 1.75 | $50K |
| Apr 25, 2026 | GROVE | 1 | $0 |
| May 18, 2025 | WEST SILOAM SPGS | 0.75 | $0 |
| May 18, 2025 | KANSAS | 1 | $0 |
| May 26, 2024 | COPELAND | 1.75 | $40K |
| May 8, 2024 | LEACH | 1 | $0 |
| May 8, 2024 | ZENA | 0.88 | $0 |
| May 8, 2024 | JAY | 0.88 | $0 |
| May 8, 2024 | GROVE | 0.75 | $0 |
| May 8, 2024 | GROVE | 1.25 | $25K |
Other hazards here
More from Delaware County
- Thunderstorm Wind 268
- Tornado 65
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Summary of events for morning of April 26 1998:Severe thunderstorms developed along and to the north of a cold front moving into northeast Oklahoma with the approach of an upper level disturbance on the morning of Sunday, April 26. These thunderstorms tracked from southern Washington County across northern Rogers, southern Craig, and northern Delaware Counties before exiting into southwestern Missouri. These severe thunderstorms were responsible for producing very large hail to the size of golfballs.
An isolated severe thunderstorm developed in southern Craig County of northeast Oklahoma during the late afternoon of December 9th and moved east into northern Delaware County. Thunderstorm winds gusted to 60 miles an hour in Bernice, and dime size hail also fell at Bernice. Nickel size hail covered the ground at the Grove Airport, and dime to nickel size hail nearly covered the ground at White Oak.
A severe thunderstorm moved across Creek, Tulsa, Wagoner, Rogers, Mayes, and Delaware Counties of northeast Oklahoma during the evening of March 27th. Thunderstorm winds gusted to 65 miles an hour at the intersection of Interstate 44 and 129th East Avenue in the city of Tulsa and to 60 miles an hour in Bristow, but large hail was the main feature with this storm. Hail ranging from dime size to 3.75 inches in diameter fell across the city of Tulsa, and hail up to golfball size fell at Kellyville, 2 miles southwest of Catoosa, and at Catoosa. Golfball size hail also fell 3 miles west of Jenks, 2 miles northwest of Jenks, 2 miles west of Jenks, 6 miles west of Inola, and 7 miles east southeast of Catoosa. Hail up to half dollar size covered the ground in Pryor, and half dollar size hail also fell 9 miles west of Jay. Nickel to quarter size hail fell at several other locations in northeast Oklahoma.
Quick answers
Frequently asked
How many hail events are on record in Delaware County, Oklahoma?
261 hail events are recorded in Delaware County between 1961 and 2026, causing 0 direct deaths.
What is the strongest hail recorded in Delaware County?
The strongest hail on record in Delaware County measured 3.
Where does the hail data for Delaware County come from?
All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.
Cite this page
“Hail in Delaware County, Oklahoma.” Severe Weather History. severeweatherhistory.com/county/oklahoma/delaware-county/hail/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.