Alert archive / Kansas / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 233, NWS Topeka, KS

May 31, 2026Lyon County, Kansas

NWS Topeka, KS issued this severe thunderstorm warning at May 31, 2026, 8:33 PM CDT for Lyon County, Kansas. It was in force for 27 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
May 31, 2026, 8:33 PM CDT (01:33 UTC)
Expired
May 31, 2026, 9:00 PM CDT
In force
27 min
Issued by
NWS Topeka, KS
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Lyon County, KS

The radar

The Topeka radar (KTWX), 61 km from the middle of the area, began a volume at 01:35 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.

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 Topeka, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at May 31, 6:18 PM CDT, 2 hours 15 minutes earlier.

Area forecast discussion, May 31, 6:18 PM CDT, 2 hours 15 minutes before
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Hazardous weather outlook, May 31, 1:58 PM CDT, 6 hours 35 minutes before
Hazardous Weather Outlook
National Weather Service Topeka KS
158 PM CDT Sun May 31 2026

KSZ008>012-020>024-026-034>040-054>056-058-059-011900-
Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley-
Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris-
Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson-
158 PM CDT Sun May 31 2026

This Hazardous Weather Outlook is for central Kansas, east central
Kansas, north central Kansas and northeast Kansas.

.DAY ONE...This afternoon and tonight.

A few thunderstorms may develop in eastern Kansas this evening. Any
storm that develops could produce damaging wind, and large hail. A
tornado could also occur.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

There is a slight chance for a few additional storms Monday
evening and night. These storms could produce some gusty winds or
small hail, primarily in central Kansas.

&&

More detailed information can be found at:
www.weather.gov/media/top/DssPacket.pdf

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 8:48 PM CDTSevere Thunderstorm WarningTOPLyon27 min
May 31, 8:57 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPLyon48 min
May 31, 9:10 PM CDTSevere Thunderstorm WarningTOPLyon35 min
May 31, 9:28 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPLyon, Osage47 min
May 31, 9:42 PM CDTSevere Thunderstorm WarningTOPLyon33 min
May 31, 10:12 PM CDTSevere Thunderstorm WarningTOPLyon11 min
May 31, 10:18 PM CDTSevere Thunderstorm WarningTOPCoffey27 min
May 31, 10:30 PM CDTSevere Thunderstorm WarningTOPCoffey, Lyon30 min
May 31, 10:39 PM CDTFlash Flood WarningTOPLyon4 hr
May 31, 10:39 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPCoffey51 min
May 31, 10:42 PM CDTTornado WarningTOPCoffey19 min
May 31, 10:47 PM CDTSevere Thunderstorm WarningTOPDickinson25 min
May 31, 10:56 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPCoffey, Lyon49 min
May 31, 11:17 PM CDTAreal Flood AdvisoryTOPLyon62 min
May 31, 11:19 PM CDTSevere Thunderstorm WarningTOPLyon26 min
May 31, 11:19 PM CDTSevere Thunderstorm WarningTOPLyon26 min
May 31, 11:23 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPCoffey52 min
May 31, 11:29 PM CDTSevere Thunderstorm Warning Considerable damage threatTOPCoffey46 min
May 31, 11:40 PM CDTFlash Flood WarningTOPCoffey3 hr
May 31, 11:44 PM CDTTornado WarningTOPCoffey14 min
May 31, 11:47 PM CDTSevere Thunderstorm WarningTOPLyon43 min
Jun 1, 12:04 AM CDTTornado Warning Tornado observedTOPAnderson, Coffey8 min
Jun 1, 12:09 AM CDTSevere Thunderstorm Warning Considerable damage threatTOPAnderson, Coffey51 min
Jun 1, 12:14 AM CDTSevere Thunderstorm WarningTOPMorris, Wabaunsee31 min
Jun 1, 12:18 AM CDTFlash Flood WarningTOPLyon2 hr
Jun 1, 12:31 AM CDTSevere Thunderstorm WarningTOPLyon, Wabaunsee30 min
Jun 1, 12:33 AM CDTSevere Thunderstorm WarningTOPLyon27 min
Jun 1, 12:37 AM CDTSevere Thunderstorm Warning Considerable damage threatTOPAnderson38 min
Jun 1, 12:40 AM CDTSevere Thunderstorm WarningTOPCoffey13 min
Jun 1, 12:45 AM CDTSevere Thunderstorm WarningTOPWabaunsee30 min
Jun 1, 12:51 AM CDTSevere Thunderstorm WarningTOPJefferson39 min
Jun 1, 1:09 AM CDTSevere Thunderstorm Warning Considerable damage threatTOPPottawatomie, Shawnee, Wabaunsee36 min
Jun 1, 1:27 AM CDTSevere Thunderstorm WarningTOPJefferson17 min
Jun 1, 1:40 AM CDTSevere Thunderstorm WarningTOPJackson, Shawnee35 min
Jun 1, 2:21 AM CDTAreal Flood WarningTOPCoffey, Lyon9 hr

Nearby

Severe Thunderstorm Warnings in Kansas, 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; radar from the NEXRAD Level II archive.