Severe Thunderstorm Warning Issued for Butler, Chase, Greenwood Counties KS

Source: NOAA · Kansas

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NWS Wichita KS issued a Severe Thunderstorm Warning for Butler, Chase, and Greenwood counties in Kansas effective until 10:45 PM CDT May 18.

What this NWS weather alert tells you, and what most readers miss

This notice was issued by NOAA on May 30, 2026 and geographically references Kansas. Its severity classification of "high" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Weather Alerts - determines the warning protocol behind it, which shapes what protective action (seeking shelter, following evacuation orders if issued, monitoring official updates) is recommended and which agency holds authority to issue or cancel it.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly NOAA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action, a single localized NWS weather alert is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

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Alert Details

Severe Thunderstorm Warning issued by NWS Wichita KS. Effective from 2026-05-18T21:58:00-05:00 until 2026-05-18T22:45:00-05:00. Severity: Severe. Urgency: Immediate. Certainty: Observed.

Affected Areas

Southern Chase County in east central Kansas, Northeastern Butler County in south central Kansas, and Greenwood County in southeastern Kansas. Locations impacted include El Dorado, Eureka, Leon, Madison, Hamilton, Rosalia, Cassoday, Virgil, Matfield Green, Eureka City Lake, Thrall, Eureka Airport, El Dorado State Park, Wonsevu, El Dorado Airport, and El Dorado Lake. This includes Interstate 35 between Mile Markers 70 and 114.

What You Should Do

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

Expected Conditions

At 9:58 PM CDT, severe thunderstorms were located along a line extending from 9 miles east of Burns to 10 miles northeast of Leon to 8 miles east of Douglass, moving east at 60 mph. Hazards include 60 mph wind gusts and quarter size hail (1.00 inch). Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Source: Radar indicated.

Timeline

Alert effective 2026-05-18T21:58:00-05:00, expires and ends 2026-05-18T22:45:00-05:00.

Original source: NOAA Official Notice ↗

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Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
NWS Wichita KS issued a Severe Thunderstorm Warning for Butler, Chase, and Greenwood counties in Kansas effective until 10:45 PM CDT May 18.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Kansas. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.