Thayer, KS Hail Storm – June 2026

A severe hail storm tracked through Thayer, Kansas on June 11, 2026, producing 2.46-inch stones and prompting multiple NWS warnings from late afternoon into the overnight period. The event produced several concentrated hail pulses with both radar-derived and spotter-verified measurements.

What Happened

NWS products issued 19 alerts covering Thayer between 4:28 PM CDT and 1:40 AM CDT the next morning. Initial warnings began in the late afternoon and continued in a series of renewed warning polygons through the evening. Dual-polarization radar returned a pronounced hail estimate at 6:57 PM CDT corresponding to an intense reflectivity core. Separate NWS warnings surrounding that time noted damaging-size hail potential.

Spotter observations arrived later in the evening. Around 8:02–8:03 PM CDT, multiple mPING submissions recorded quarter- and half-dollar hail sizes, with two spotter-verified half-dollar reports logged in the local storm record. Earlier in the sequence, a spotter-reported alert at 5:19 PM CDT documented 1.25-inch hail. The warnings and observations indicate a multi-pulse storm that produced measurable hail in and near Thayer from late afternoon into the early morning hours.

Damage Assessment

Field reports for the Thayer event consist primarily of mPING hail-size submissions and the sequence of NWS warning polygons. Local storm reports show clustered hail observations around 8:02–8:03 PM CDT but do not include recorded structural or vehicle-damage LSR entries tied to the town center in the supplied dataset. Radar-derived hail estimates near 6:57 PM CDT identify a stronger core that passed within the broader NWS warning area; spotter reports later in the evening captured smaller but still damaging-size stones in town.

On-the-ground effects in Thayer were limited in the submitted observations to the measured hail sizes. No municipal field reports of roof or siding failures were present in the referenced LSR entries. Contractors and adjusters should note that the strongest radar returns preceded the cluster of mPING size reports by roughly an hour and that damage, if present, may be scattered rather than continuous along the warning area.

What Contractors Should Know

Inspection priority should follow the temporal and spatial pattern of the warnings and reports. Begin visual roof surveys on properties within the NWS warning area that includes Thayer, focusing first on structures that had exposure to the radar-identified core around 6:57 PM CDT and the mPING-observed locations at 8:02–8:03 PM CDT. Photograph and geotag visible shingle granule loss, dented metal panels, and compromised skylights. Document vehicle panels and exterior HVAC units where access is permitted.

Expect isolated impact signatures rather than uniform damage across neighborhood blocks. Triage inspections by property type. Give immediate attention to older three-tab and near-end-of-life asphalt roofs and to corrugated or non-painted metal surfaces that show pitting. For claim intake, record the local report times and link each photographed defect to the closest storm observation time (radar estimate or mPING submission) to preserve temporal context.