May 28–June 4, 2026: Weekly Storm Activity and Hail Summary Report

Week in Review

StormSnipe Intel Blog reports 15 hail events from May 28 to June 4, 2026 across Texas, South Dakota, Nebraska, Oklahoma, Colorado, Wyoming and North Dakota. Total addresses affected in our data set: 1,626. Largest radar-detected hail measured 4.00 inch in Clarendon, TX on 2026-05-30.

Seven events registered hail at or above 3.00 inch. Four events had spotter verification in addition to radar detection. Eleven events were detected by dual-polarization radar only.

Key summary numbers

• Events: 15
• 3.00 inch or larger reports: 7
• Spotter-verified events: 4
• Total addresses in detections: 1,626
• Largest radar detection: 4.00 inch, Clarendon, TX on 2026-05-30

Notable Events

• Clarendon, TX – 2026-05-30 – 4.00 inch hail – 974 addresses – dual-polarization radar.
• Claude, TX – 2026-05-29 – 3.05 inch hail – 263 addresses – radar + spotter-verified.
• Longdale, OK – 2026-06-01 – 3.07 inch hail – 155 addresses – dual-polarization radar.
• Oglala, SD – 2026-05-30 – 3.25 inch hail – 145 addresses – dual-polarization radar.
• Wallace, NE – 2026-05-30 – 2.75 inch hail – 81 addresses – radar + spotter-verified.
• Bennett, CO – 2026-06-01 – 3.04 inch hail – 0 addresses – radar + spotter-verified.
• Belcourt, ND – 2026-06-02 – 3.75 inch hail – 0 addresses – dual-polarization radar.
• Bushnell, NE – 2026-05-30 – 3.50 inch hail – 8 addresses – dual-polarization radar.
• Seiling, OK – 2026-06-01 – 1.50 inch hail – 0 addresses – dual-polarization radar.
• Spearman, TX – 2026-06-02 – 2.87 inch hail – 0 addresses – dual-polarization radar.
• Pine Ridge, SD – 2026-05-30 – 2.75 inch hail – 0 addresses – dual-polarization radar.
• Pine Ridge, SD – 2026-06-02 – 2.75 inch hail – 0 addresses – dual-polarization radar.
• Oglala, SD – 2026-06-02 – 2.75 inch hail – 0 addresses – radar + spotter-verified.
• Hamill, SD – 2026-06-04 – 2.48 inch hail – 0 addresses – dual-polarization radar.
• Claude, TX and surrounding area noted high address totals due to the 3.05 inch detection on 2026-05-29.

Regional Patterns

Southern and northern Texas saw the highest address concentrations in this week. Clarendon, TX accounted for 974 addresses under the radar-derived hail swath on 2026-05-30. Claude, TX contributed an additional 263 addresses on 2026-05-29 with spotter confirmation.

The central Plains and western South Dakota yielded multiple radar-detected 2.75 to 3.25 inch events from May 30 to June 2. Oglala, SD and Pine Ridge, SD show repeated detections on May 30 and June 2. Oglala had one spotter-verified detection on 2026-06-02 and a separate radar-only 3.25 inch detection on 2026-05-30.

Northern Plains reports included a 3.75 inch detection near Belcourt, ND on 2026-06-02. That detection registered zero addresses in our address overlay and occurred in a sparsely populated area.

Eastern Colorado produced a spotter-verified 3.04 inch detection near Bennett on 2026-06-01. Oklahoma produced two 3-plus inch detections near Longdale and Seiling on June 1. Nebraska had multiple detections on May 30 including Bushnell and Wallace, the latter with spotter verification and 81 addresses.

Verification mix and spatial confidence

• Spotter-verified events with supporting radar return: Claude (3.05 inch), Bennett (3.04 inch), Wallace (2.75 inch), Oglala 2026-06-02 (2.75 inch). Spotter confirmations increase field confidence for canvass prioritization in those ZIP areas.
• Dual-polarization radar-only detections account for the remaining events, including the highest single detection in Clarendon, TX (4.00 inch). Radar-derived hail sizes remain actionable for planning but have lower ground-truth certainty than spotter-verified reports.

What Contractors Should Watch

Prioritize canvass and deployment by addresses and verification status. Focus first on events with both high address counts and strong detection metrics.

Top priority targets this week

• Clarendon, TX (2026-05-30) 4.00 inch — 974 addresses. High address concentration suggests immediate canvass potential. Prioritize coastal roof inspections and tarping crews where access allows.
• Claude, TX (2026-05-29) 3.05 inch — 263 addresses; spotter-verified. Follow with door-to-door canvass and photo documentation protocols.
• Longdale, OK (2026-06-01) 3.07 inch — 155 addresses. Schedule inspections where travel time is under two hours from base.
• Oglala, SD (2026-05-30 and 2026-06-02) combined events — 145 addresses tied to the 3.25 inch detection and a separate 2.75 inch spotter-verified report. Sequence canvass to cover both detection dates.
• Wallace, NE and Bushnell, NE (2026-05-30) — 81 and 8 addresses respectively; Wallace is spotter-verified and should be included in local canvass plans.

Secondary targets

• Claude-area follow-ups for adjacent ZIP codes outside the 263-address count.
• Bennett, CO and Belcourt, ND 3+ inch detections. Rural footprints and zero-address overlays indicate fewer residential leads but potential agricultural or outbuilding damage.
• Pine Ridge and Hamill, SD. Repeated detections suggest a concentrated corridor for weekend or next-week inspections.

Verification and outreach strategy

• Treat spotter-verified detections as higher priority for same-week canvass. Prioritize photographic confirmation and insurer-facing documentation.
• Use radar-only 3-inch-plus detections to target high-address clusters. Expect a higher false-positive rate in low-density areas.
• Log addresses visited and timestamp photos. Capture the hail size estimate, roof covering type and visible granule loss.

Operational notes

• Route planning should group nearby events to maximize crew utilization. Example: pair Clarendon and Claude work where drive times permit.
• Anticipate permit or access delays in reservation lands around Pine Ridge and Oglala. Confirm access requirements before dispatching crews.

Forward-looking note on atmospheric setup for the coming week

Upper-level flow is trending zonal with periodic troughing over the central Plains. Model consensus shows renewed moisture return from the Gulf and moderate deep-layer shear late in the week. Expect scattered to isolated severe storms with hail potential across the central and southern Plains. Monitor dual-polarization radar trends and local storm reports for updated prioritization.