Alert archive / Kansas / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 324, NWS Wichita, KS

June 21, 20264 counties in Kansas

NWS Wichita, KS issued this severe thunderstorm warning at Jun 21, 2026, 4:36 AM CDT for 4 counties in Kansas. It was in force for 39 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: Jun 21, 2026, 4:36 AM CDT (09:36 UTC)
Expired: Jun 21, 2026, 5:15 AM CDT
In force: 39 min
Issued by: NWS Wichita, KS
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Butler County, KS, Cowley County, KS, Sedgwick County, KS, Sumner County, KS

The radar

The Wichita radar (KICT), 32 km from the middle of the area, began a volume at 09:36 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.

Issued	Product	Office	Lasted
Jun 21, 12:02 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 9.6 hours before the alert went out and 214 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 516 J/kg
Mixed-layer CIN: -36 J/kg
Mixed-layer LCL: 1348 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 54 m²/s²
0-3 km storm-relative helicity: 159 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 4.9

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 Wichita, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 21, 2:55 AM CDT, 1 hour 41 minutes earlier.

Area forecast discussion, Jun 21, 2:55 AM CDT, 1 hour 41 minutes before

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Hazardous weather outlook, Jun 21, 3:52 AM CDT, 44 minutes before

Hazardous Weather Outlook
National Weather Service Wichita KS
352 AM CDT Sun Jun 21 2026

KSZ032-033-047>053-067>072-082-083-091>096-098>100-220900-
Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-Marion-Chase-
Reno-Harvey-Butler-Greenwood-Woodson-Allen-Kingman-Sedgwick-Harper-
Sumner-Cowley-Elk-Wilson-Neosho-Chautauqua-Montgomery-Labette-
352 AM CDT Sun Jun 21 2026

This hazardous weather outlook is for portions of central Kansas,
east central Kansas, south central Kansas and southeast Kansas.

.DAY ONE...Today and Tonight

Storms will continue this morning across much of the area. Small
hail and 60 mph winds will be possible with the stronger storms. In
addition, the storms will produce very high rainfall rates that may
lead to flooding.

Additional storms will be possible this afternoon and evening,
mainly across southern and southeast Kansas. Hail up to quarter
size, 60 mph winds and heavy rainfall will be possible with the
stronger storms.

Several rivers across the area are expected to go into flood today
and tonight. See latest river flood warnings for additional details.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Several rivers across the area are expected to go into flood over
the next few days. See latest river flood warnings for additional
details.

Storm chances will return for Monday night and will start
to increase for Tuesday night through the remainder of the work
week. Some strong to severe storms will be possible through this
period, along with heavy rain and flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today or tonight.

&&

For a graphical version of this information, see our webpage at:
https://www.weather.gov/erh/ghwo?wfo=ict

In the hours before

Local storm report, Jun 21, 1:31 AM CDT, 3 hours 5 minutes before

Preliminary Local Storm Report
National Weather Service Wichita KS
131 AM CDT Sun Jun 21 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0114 AM     Tstm Wnd Gst     1 NNW Moundridge        38.22N 97.52W
06/21/2026  M68 MPH          McPherson          KS   Mesonet

&&

Local storm report, Jun 21, 1:44 AM CDT, 2 hours 52 minutes before

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Local storm report, Jun 21, 1:49 AM CDT, 2 hours 47 minutes before

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Local storm report, Jun 21, 1:51 AM CDT, 2 hours 45 minutes before

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Local storm report, Jun 21, 1:52 AM CDT, 2 hours 44 minutes before

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Local storm report, Jun 21, 3:08 AM CDT, 1 hour 28 minutes before

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The office that day

Everything else NWS Wichita, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 20, 10:35 PM CDT	Severe Thunderstorm Warning	ICT	Barton, Ellsworth, Lincoln, Russell	70 min
Jun 20, 11:23 PM CDT	Areal Flood Warning	ICT	Russell	9 hr
Jun 20, 11:32 PM CDT	Severe Thunderstorm Warning	ICT	Barton, Kingman, McPherson, Reno, Rice	73 min
Jun 20, 11:42 PM CDT	Severe Thunderstorm Warning	ICT	Barton, Ellsworth, Lincoln, Russell	78 min
Jun 21, 12:32 AM CDT	Severe Thunderstorm Warning Considerable damage threat	ICT	Harper, Harvey, Kingman, Reno, Sedgwick, Sumner	73 min
Jun 21, 12:38 AM CDT	Severe Thunderstorm Warning	ICT	Ellsworth, Lincoln, McPherson, Marion, Rice, Russell and 1 more	82 min
Jun 21, 12:40 AM CDT	Severe Thunderstorm Warning Destructive damage threat	ICT	Harvey, Reno, Sedgwick	35 min
Jun 21, 1:09 AM CDT	Areal Flood Warning	ICT	Butler, Sedgwick, Sumner	9 hr
Jun 21, 1:16 AM CDT	Severe Thunderstorm Warning Considerable damage threat	ICT	Butler, Chase, Elk, Greenwood, Sedgwick	59 min
Jun 21, 1:42 AM CDT	Severe Thunderstorm Warning	ICT	Harper, Kingman, Sumner	49 min
Jun 21, 2:01 AM CDT	River Flood Warning	ICT	Lincoln	19 hr
Jun 21, 2:01 AM CDT	River Flood Warning	ICT	Lincoln	9 hr
Jun 21, 3:02 AM CDT	Areal Flood Warning	ICT	Barton, Ellsworth, Rice, Russell	4 hr
Jun 21, 3:16 AM CDT	River Flood Warning	ICT	Kingman	64 hr
Jun 21, 3:16 AM CDT	River Flood Warning	ICT	Sedgwick, Sumner	55 hr
Jun 21, 3:16 AM CDT	River Flood Warning	ICT	Sumner	65 hr
Jun 21, 3:16 AM CDT	River Flood Warning	ICT	Cowley	4 days
Jun 21, 3:50 AM CDT	Severe Thunderstorm Warning	ICT	Chautauqua, Cowley	40 min
Jun 21, 4:27 AM CDT	Severe Thunderstorm Warning	ICT	Chautauqua, Elk, Montgomery, Wilson	31 min
Jun 21, 5:12 AM CDT	Severe Thunderstorm Warning	ICT	Chautauqua, Cowley	63 min
Jun 21, 5:17 AM CDT	Areal Flood Warning	ICT	Butler, Cowley, Kingman, Reno, Rice, Sedgwick and 1 more	5 hr
Jun 21, 7:53 AM CDT	River Flood Warning	ICT	Cowley, Sumner	48 hr
Jun 21, 8:35 AM CDT	River Flood Warning	ICT	Sumner	50 hr
Jun 21, 8:45 AM CDT	River Flood Warning	ICT	Cowley	24 hr
Jun 21, 8:45 AM CDT	River Flood Warning	ICT	Butler, Cowley	40 hr
Jun 21, 8:46 AM CDT	Areal Flood Warning	ICT	Russell	12 hr
Jun 21, 8:51 AM CDT	River Flood Warning	ICT	Sumner	59 hr
Jun 21, 9:17 AM CDT	River Flood Warning	ICT	Labette, Neosho	3 days
Jun 21, 9:17 AM CDT	River Flood Warning	ICT	Neosho	24 hr
Jun 21, 9:17 AM CDT	River Flood Warning	ICT	Cherokee, Labette	50 hr
Jun 21, 9:17 AM CDT	River Flood Warning	ICT	Allen, Neosho	40 hr
Jun 21, 9:21 AM CDT	River Flood Warning	ICT	Wilson	28 hr
Jun 21, 9:21 AM CDT	River Flood Warning	ICT	Montgomery, Wilson	23 hr
Jun 21, 9:25 AM CDT	River Flood Warning	ICT	Wilson	42 hr
Jun 21, 9:59 AM CDT	Areal Flood Warning	ICT	Butler, Cowley, Harper, Kingman, Reno, Sedgwick and 1 more	11 hr
Jun 21, 4:53 PM CDT	Severe Thunderstorm Warning	ICT	Chautauqua, Elk, Montgomery, Wilson	41 min
Jun 21, 5:01 PM CDT	Tornado Warning	ICT	Chautauqua, Montgomery	23 min
Jun 21, 5:44 PM CDT	Severe Thunderstorm Warning	ICT	Montgomery	61 min
Jun 21, 6:08 PM CDT	Areal Flood Warning	ICT	Montgomery	4 hr
Jun 21, 6:14 PM CDT	Severe Thunderstorm Warning	ICT	Labette, Montgomery	61 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2026 Every 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.