Thunderstorms developed into portions of northeastern Oklahoma during the early morning hours of the 25th, near a warm front that stretched across the area. Locally heavy rainfall resulted in isolated flash flooding.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS TSA wrote it up.
Thunderstorms developed into portions of northeastern Oklahoma during the early morning hours of the 25th, near a warm front that stretched across the area. Locally heavy rainfall resulted in isolated flash flooding. Another round of thunderstorms developed across northeastern Oklahoma during the afternoon hours, near a remnant outflow boundary from the earlier thunderstorms. These thunderstorms moved southeast and produced large hail up to quarter size and damaging wind.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tulsa, OK wrote its last area forecast discussion before the first event at Jun 24, 11:36 PM CST, 4 hours 24 minutes earlier. Its key messages:
Area Forecast Discussion
National Weather Service Tulsa OK
1236 AM CDT Thu Jun 25 2026
...New AVIATION...
.KEY MESSAGES...
Updated at 1233 AM CDT Thu Jun 25 2026
- Stormy period today and possibly Friday. Any heavy rainfall
will lead to rapid onset flooding across much of NE OK. Severe
weather potential today and possibly again Friday.
- Timing and placement details of the heaviest rains and higher
severe weather chances remain uncertain. However chances are
likely higher north of Interstate 40 for the most impactful
weather.
- A more typical summer time pattern expected early next week.
Heat advisory headlines will likely be needed.
&&
.SHORT TERM...
(Through Thursday night)
Issued at 1142 PM CDT Wed Jun 24 2026
Convectively active period continues with storm chances trending
up late tonight and especially during the day Thursday through
Thursday evening. NW to SE corridor of convection extending across
the forecast area is possible from late tonight through sunrise
with some degree of MCS likely spreading into the forecast area
during the time. Timing and organization of the MCS potential is
uncertain with a later arrival allowing for ample destabilization
and an uptick in severe potential. Steering flow will becoming
more E to W allowing storm chances to decrease across the southern
tier of the forecast area.
Conditions in the wake of the earlier round of storms become more
supportive of severe weather as wind fields increase especially in
the lowest levels. This coupled with any remnant outflow boundary
would be a corridor of focus for higher end severe weather all
contingent upon storms to redevelop in the wake of an MCS. This
scenario carries high uncertainty and will be the focus through
Thursday evening. Flooding issues will quickly develop due to
recent rainfall across much of NE OK and observations from the
rains on Wednesday indicate that even lesser amounts of rain but
in a short time frame will likely lead to issues. Expect
additional flood warnings with the convective event ahead and the
flood watch remains in effect.
&&
.LONG TERM...
(Friday through Wednesday)
Issued at 1142 PM CDT Wed Jun 24 2026
Storm chances continue on Friday but will likely be strongly
influenced by what occurs on Thursday especially with regards to
sfc boundary locations. Again expect higher chances across
northern locations and the severe weather and heavy rain potential
remain in place.
The pattern change is underway by Saturday and firmly in place by
early next week. Hot and humid conditions with very low rain
chances will likely persist through much of next week. Expect
dangerous heat index values to develop almost daily and heat
headlines continue to appear likely.
&&
.AVIATION...
(06Z TAFS)
Issued at 1233 AM CDT Thu Jun 25 2026
MVFR ceilings will develop at most sites overnight into Thursday
morning, with the possible exceptions of KMLC and KFSM. Scattered
showers and thunderstorms are expected Thursday, mainly during the
afternoon and evening. VFR conditions will return to all sites by
late Thursday afternoon or evening except within heavier showers
or storms.
&&
.PRELIMINARY POINT TEMPS/POPS...
TUL 87 75 90 77 / 60 40 20 40
FSM 90 75 91 76 / 50 20 10 10
MLC 90 77 90 78 / 20 10 10 10
BVO 85 70 88 74 / 70 60 20 40
FYV 86 72 86 74 / 60 40 30 30
BYV 85 71 85 73 / 60 50 40 40
MKO 88 75 89 76 / 40 20 20 20
MIO 85 71 87 74 / 70 70 40 50
F10 88 75 89 76 / 40 20 20 20
HHW 90 75 90 77 / 10 0 0 0
&&
.TSA WATCHES/WARNINGS/ADVISORIES...
OK...Flood Watch through Friday morning for OKZ055>071-073>075-154-
172-176-254-272-276-354-376.
AR...None.
&&
SHORT TERM...07
LONG TERM....07
AVIATION...05Hazardous Weather Outlook
National Weather Service Tulsa OK
520 PM CDT Wed Jun 24 2026
ARZ001-002-010-011-119-120-129-219-220-229-OKZ049-053-055>071-
073>075-154-172-176-254-272-276-354-376-252230-
Benton-Carroll-Washington AR-Madison-Northern Crawford-
Northern Franklin-North and Central Sebastian-Southern Crawford-
Central and Southern Franklin-Southern Sebastian-Pushmataha-
Choctaw-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-
Mayes-Delaware-Creek-Okfuskee-Okmulgee-Wagoner-Cherokee-Adair-
Muskogee-McIntosh-Pittsburg-Haskell-Latimer-Western Osage-
Northern Sequoyah-Northern Le Flore-Northeast Osage-
Central and Southern Sequoyah-Central Le Flore-Southeast Osage-
Southern Le Flore-
520 PM CDT Wed Jun 24 2026
This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.
.DAY ONE...Tonight.
SEVERE THUNDERSTORM.
RISK...Elevated.
AREA...Southeast Oklahoma.
ONSET...Ongoing.
FLASH FLOOD AND HEAVY RAIN.
RISK...Limited.
AREA...Eastern Oklahoma and Northwest Arkansas.
ONSET...Ongoing.
DISCUSSION...
Ongoing areas of showers and storms across northwest Arkansas will
continue to shift eastward early this evening, with a break likely
across much of the area by mid evening. A few storms have
developed across portions of far southeast Oklahoma, along a
residual outflow boundary left over form the morning activity.
Sufficient instability and shear could lead to some strong to
severe storms, with large hail and damaging winds the primary
concerns along with heavy rainfall.
A band of showers and thunderstorms is expected to redevelop
late tonight into Thursday morning, mainly across northeast
Oklahoma, but this activity could expand into parts of west
central Arkansas. Very heavy rainfall rates and flash flooding
will be the primary concern, especially with the saturated ground
across much of the region.
SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Activation of the Regional Spotter Network Likely.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
THURSDAY...Severe Thunderstorm Potential...High Wind Potential.
FRIDAY...Thunderstorm Potential...High Wind Potential.
SATURDAY THRU MONDAY...High Wind Potential...Dangerous Heat
Potential.
TUESDAY...Dangerous Heat Potential.
EXTENDED DISCUSSION...
Shower and thunderstorm chances will continue Thursday and Friday,
mainly across northeast Oklahoma and northwest Arkansas. Thursday
looks to be the day of greatest concern with regards to severe
weather potential, with all modes of severe weather possible,
including tornadoes, especially across northeast Oklahoma into far
northwest Arkansas.
Hot, humid, and breezy conditions are expected this weekend into
early next week. Afternoon heat index values will likely exceed
100 degrees in many places Saturday through Tuesday.
weather.gov/tulsa contains additional information.The Tulsa radar (KINX), 46 km away, was scanning. The volume nearest the first event began at 10:00 UTC.
7 thunderstorm wind, 1 flash flood, 1 hail. Local standard time, as filed.
Several roads were flooded and closed in northwest Tulsa County.
Thunderstorm wind gusts were estimated to 60 mph.
Thunderstorm wind gusts were measured up to 62 mph.
Strong thunderstorm wind severely damage the White Horn Cove Marina on Lake Ft. Gibson.
Strong thunderstorm wind blew down trees and snapped numerous large tree limbs.
Thunderstorm wind gusts were measured to 83 mph, and multiple trees were uprooted in the area.
Thunderstorm wind gusts were estimated up to 70 mph in Tahlequah.
Strong thunderstorm wind blew down a tree.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Oklahoma in 2026Every state in 2026This day in weather historyWarnings in Oklahoma, June 2026
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1343003, 1343005, 1342435, 1342436, 1343007, 1343102, 1343106, 1343100, 1343104.