⚠️ Severe Thunderstorm Warning – Sumner, KS – Sunday, June 21, 2026

Severe Thunderstorm Warning issued June 21 at 11:28PM CDT until June 22 at 12:30AM CDT by NWS Wichita KS

Details

SVRICT

The National Weather Service in Wichita has issued a

* Severe Thunderstorm Warning for…
Southern Sumner County in south central Kansas…

* Until 1230 AM CDT.

* At 1128 PM CDT, a severe thunderstorm was located 8 miles northwest
of South Haven, or 9 miles southwest of Wellington, and is nearly
stationary.

HAZARD…60 mph wind gusts and quarter size hail.

SOURCE…Radar indicated.

IMPACT…Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.

* Locations impacted include…
Wellington, Caldwell, Argonia, South Haven, Mayfield, Milan,
Hunnewell, and Perth.

This includes Interstate 35 between Mile Markers 1 and 16.

Instructions

For your protection move to an interior room on the lowest floor of a
building.

Large hail, damaging wind, and continuous cloud to ground lightning
are occurring with this storm. Move indoors immediately. Lightning is
one of nature’s leading killers. Remember, if you can hear thunder,
you are close enough to be struck by lightning.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.