Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 304, NWS Tulsa, OK

July 4, 2026Osage County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Jul 4, 2026, 6:14 PM CDT for Osage County, Oklahoma. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 4, 2026, 6:14 PM CDT (23:14 UTC)
Expired
Jul 4, 2026, 6:45 PM CDT
In force
31 min
Issued by
NWS Tulsa, OK
Area
Storm-based polygon
Tornado
Possible
Damage threat
Destructive
Hail
0.75 in
Wind
80.0 mph

County Osage County, OK

The radar

The Tulsa radar (KINX), 90 km from the middle of the area, began a volume at 23:17 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 4, 4:38 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.2 hours before the alert went out and 233 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 12:00Z on 2026-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1944 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2026-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1944 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
1008 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, 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 this severe thunderstorm warning went out at Jul 4, 12:42 PM CDT, 5 hours 32 minutes earlier.

Area forecast discussion, Jul 4, 12:42 PM CDT, 5 hours 32 minutes before
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Hazardous weather outlook, Jul 4, 1:38 PM CDT, 4 hours 36 minutes before
Hazardous Weather Outlook
National Weather Service Tulsa OK
138 PM CDT Sat Jul 4 2026

ARZ001-002-010-011-119-120-129-219-220-229-OKZ049-053-055>071-
073>075-154-172-176-254-272-276-354-376-051845-
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-
138 PM CDT Sat Jul 4 2026

This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.

.DAY ONE...Today and Tonight.

SEVERE THUNDERSTORM.
	RISK...Elevated.
	AREA...Areawide, but highest threat in NE Oklahoma.
	ONSET...Mid to late evening.

HEAVY RAIN AND FLASH FLOOD.
	RISK...Limited.
	AREA...Areawide, but highest threat in NE Oklahoma.
	ONSET...Mid to late evening.

DANGEROUS HEAT.
	RISK...Elevated.
	AREA...Areawide.
	ONSET...Ongoing.

DISCUSSION...
Hot and humid weather will continue this afternoon and evening. A
few showers and storms are expected this afternoon in the higher
terrain of northwest Arkansas. The main impacts would be brief
heavy rain, gusty winds, and lightning. Given the volume of
outdoor activities this may still be impactful.

During the mid to late evening a line of thunderstorms will move
into northeast OK bringing the potential for very strong winds,
heavy rain, and frequent lightning. Isolated instances of large
hail may also occur. In terms of timing, storms will arrive in
northeast OK between 6-8 PM. Then they will arrive in Tulsa 8-11
PM, spreading south and east from there, with all areas under the
threat of storm activity by midnight. Storms will last for a few
hours before diminishing.

SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Activation of the Regional Spotter Network Likely.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.
SUNDAY...Thunderstorm Potential.
MONDAY TO TUESDAY...No Hazards.
WEDNESDAY...Dangerous Heat Potential.
THURSDAY TO FRIDAY...Thunderstorm Potential...Dangerous Heat Potential.

EXTENDED DISCUSSION...
A few showers and storms will linger across southeast OK through
Sunday before ending. Temperatures will be a bit cooler through
Tuesday. Very hot and humid conditions return mid to late week
along with a slight chance of thunderstorms. Heat headlines will
likely return.

weather.gov/tulsa contains additional information.

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 4, 3:06 PM CDTExtreme Heat WarningTSACreek, McIntosh, Mayes, Muskogee, Okfuskee, Okmulgee and 5 more5 hr
Jul 4, 5:59 PM CDTSevere Thunderstorm Warning Considerable damage threatTSAOsage46 min
Jul 4, 6:37 PM CDTSevere Thunderstorm Warning Considerable damage threatTSAOsage, Pawnee53 min
Jul 4, 6:54 PM CDTSevere Thunderstorm Warning Considerable damage threatTSAOsage, Pawnee51 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2026Every severe thunderstorm warning in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.