⚠️ Severe Thunderstorm Warning – Lyon, MN – Monday, June 15, 2026

Severe Thunderstorm Warning issued June 15 at 10:48PM CDT until June 15 at 11:15PM CDT by NWS Sioux Falls SD

Details

SVRFSD

The National Weather Service in Sioux Falls has issued a

* Severe Thunderstorm Warning for…
Northeastern Lyon County in southwestern Minnesota…

* Until 1115 PM CDT.

* At 1047 PM CDT, a severe thunderstorm was located near Cottonwood,
or 9 miles north of Marshall, moving southeast at 40 mph.

HAZARD…Quarter size hail.

SOURCE…Trained weather spotters. At 1042 PM CDT, quarter sized
hail was reported 6 miles east northeast of Minneota.

IMPACT…Damage to vehicles is expected.

* This severe thunderstorm will be near…
Cottonwood around 1050 PM CDT.

Instructions

For your protection move to an interior room on the lowest floor of a
building.

To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Sioux Falls.

This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.