Butler, MO Hail Storm – May 2026

Butler, MO experienced a late-afternoon hail event on May 8, 2026 that produced up to 1.48-inch hail and prompted multiple radar-detected alerts and NWS warnings. The storm has concluded.

What Happened

The main hail-producing pulse moved through Butler during the late afternoon and early evening period. NWS alerts for this event were issued between 5:21 PM CDT (22:21 UTC) and 6:04 PM CDT (23:04 UTC). The alert sequence and reported hail sizes were:

• 5:21 PM CDT (22:21 UTC) – 1.00-inch hail – dual-polarization radar detected
• 5:45 PM CDT (22:45 UTC) – 1.45-inch hail – dual-polarization radar detected
• 5:49 PM CDT (22:49 UTC) – 1.25-inch hail – NWS warning only
• 5:53 PM CDT (22:53 UTC) – 1.00-inch hail – dual-polarization radar detected
• 6:04 PM CDT (23:04 UTC) – 1.00-inch hail – NWS warning only

Multiple alerts show radar-derived hail detections, with two alerts issued as NWS warning-only notices. The pattern indicates a concentrated pulse of severe hail across parts of the Butler metro during a roughly 45-minute window. The event is closed and no active warnings remain for the area.

Damage Assessment

Radar reports and NWS warnings indicate hail sizes across the event ranged from roughly 1.0 inch to 1.45 inches. Hail in this size range commonly produces cosmetic and functional damage to soft roofing materials, such as bruising or loss of shingle granules on composite shingles. Metal flashing and vulnerable siding sections may show dents or surface deformation.

Vehicles exposed in the open are at elevated risk for panel dents and chipped paint. Skylights, exposed HVAC condenser coils, and unprotected outdoor equipment can sustain impact damage. Broken windows remain possible but are less likely at these sizes unless hail fell with unusually high wind speed or was wind-driven into glass at an angle.

Inspect for concentrated damage on the storm-facing sides of structures and on horizontal surfaces where hail accumulates. Document all findings with date-stamped photos, precise location notes, and reference the alert times above when filing claims or scheduling repairs.

What Contractors Should Know

Field teams should perform an initial safety sweep and document hazards before detailed inspections. Start with roof-level photo evidence from multiple elevations and oblique angles to capture granule loss, bruising, and dent patterns on metal components. Record GPS coordinates for each structure and note exposure factors such as tree cover and nearby tall structures that can alter fallout patterns.

Estimate likely repair needs based on material type: replace severely bruised composite shingles, consider targeted metal panel repairs for dented flashing, and inspect vents and gutter attachments for deformation. For vehicle and equipment claims, photograph damage with a common object for scale, note whether items were sheltered, and collect owner statements on timing and location. Keep records organized by the alert timestamps above to align work orders with the hail event.