New York Mills, MN Hail Storm – July 2026

A hail-producing storm moved through New York Mills, MN on July 4, 2026, producing 2.64-inch stones during the late afternoon and generating a sequence of radar and spotter alerts.

What Happened

The storm system produced a long-lived hail signature across west-central Minnesota in the late afternoon and early evening. NEXRAD dual-polarization detection and a succession of NWS alerts documented the event from midafternoon into early evening, with alerts issued between 1:29 PM CDT and 7:44 PM CDT. Radar-detected maxima occurred in the mid-3 PM hour and again in the early 6 PM hour, while NWS warning polygons tracked the general forward path of the cells.

Local spotters supplied surface observations that align with the radar timeline. At 4:44 PM CDT two observers uploaded photo measurements via NWSChat showing 1.5-inch hail. A separate report logged escalating hail sizes in one neighborhood between 4:58 PM CDT and 5:04 PM CDT, noting a progression from quarter-sized hail to half-dollar and then to ping-pong ball descriptions. A spotter in Sauk Centre recorded quarter-size hail at 3:57 PM CDT, indicating the line of storms produced intermittent strong cores as it tracked eastward.

Damage Assessment

Field reports and radar returns indicate concentrated surface impact in and near New York Mills and along the storm track east and southeast of the city. Two photo-verified measurements at 4:44 PM CDT show stones large enough to bruise vegetation and dent thin metal. The sequence of eyewitness reports that describe rapid growth from quarter to ping-pong–sized hail between roughly 4:58 PM CDT and 5:04 PM CDT corresponds with radar-identified updrafts that passed over populated areas.

Observed impacts in the local reports include repeated hail fall over short intervals, which increases the likelihood of cumulative roof granule loss and denting on vehicles and outdoor equipment. Reports specifically note half-dollar and larger stones during the 5:00 PM hour at addresses inside the New York Mills metro area. Sauk Centre observations place an earlier, smaller-hail core northwest of the later, larger-hail cells.

NWS warning polygons covered the broader corridor of the storm but do not delineate the precise swath of surface strikes. Use the spotter-verified photos and time-stamped witness accounts to locate the most likely damaged properties within the warning area.

What Contractors Should Know

Expect roof inspections to show concentrated pitting and granule loss on south- and west-facing exposures that bore the brunt of the late-afternoon cores. Start exterior assessments at properties inside the New York Mills city limits and proceed along the radar-indicated track toward the southeast. Document damage with scale-anchored photographs and include time stamps to match photos to the 4:44 PM CDT and 5:00 PM CDT reports where available.