Douglas, WY Hail Storm – June 2025

What Happened

A severe hail storm moved through Douglas, WY on June 13, 2025, producing 1.75-inch hail during a long-lived afternoon and evening event. The storm generated 21 NWS alerts across the Douglas area, with radar confidence first showing 1-inch hail around 2:32 PM MDT and larger stones confirmed by mid-afternoon.

Dual-polarization radar flagged 1.75-inch hail at 3:05 PM MDT, then 1.25-inch hail at 3:28 PM MDT as the storm continued to organize. Later alerts held at 1-inch to 1.25-inch hail through the late afternoon and into the evening, including multiple radar and spotter-verified detections from 4:22 PM MDT through 7:38 PM MDT. The final alert came at 8:42 PM MDT.

Field reports matched the radar trend. Around 6:37 PM MDT, spotters reported ping pong ball to golf ball sized hail ongoing. That report lined up with the later phase of the storm when verified hail continued to show up in the warning area. A separate report from around 4:58 PM MDT noted 1-inch hail near Melbeta, NE, and later reports from Potter described quarter size and pea size hail. Tornado reports also came in from the same storm system during the evening, including brief touchdowns south of Potter and intermittent ground contact.

Damage Assessment

The damage picture was strongest where spotter reports described golf ball sized hail in progress. In Douglas and the broader storm corridor, the repeated radar detections and later spotter-verified hail reports show a storm that held damaging hail potential for hours rather than a single short burst.

The field reports point to concentrated surface impact in the late afternoon and early evening. Reports of quarter size to golf ball size hail indicate roof, siding, and vehicle exposure in any unprotected parking area or open lot under the storm path. The Douglas event also carried a tornadic component farther south in the same storm complex, with chaser reports placing brief tornado touchdowns near Potter. That adds a separate wind and debris risk for exposed properties outside the hail core.

For Douglas-area addresses, the main concern is not just the peak stone size. It is the duration of verified hail passes. The storm produced multiple rounds of 1-inch to 1.75-inch hail detections, then stayed active with additional verified reports well into the evening. Properties exposed across more than one alert cycle should be checked for cumulative shingle loss, dented trim, broken siding, and impact on skylights or rooftop mechanicals.

What Contractors Should Know

This storm was not a narrow, single-pass hail core. It was a multi-hour event with repeated radar confidence and spotter confirmation. In Douglas, that means inspection work should account for staggered impact points across the warning area, not a single linear swath. Start with roofs and vehicle lots that were open during the afternoon through early evening window.

Douglas, WY Hail Storm – June 2025

NWS WARNING AREAS · 44

What Happened

Damage Assessment

What Contractors Should Know

Storm Details

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