| Event | Severe Thunderstorm Warning |
| Severity | Severe |
| Urgency | Immediate |
| Certainty | Observed |
| Area | Cottonwood, MN |
| Effective | 8/20/2026, 8:31:00 PM CDT |
| Expires | 8/20/2026, 9:30:00 PM CDT |
Severe Thunderstorm Warning issued August 20 at 8:31PM CDT until August 20 at 9:30PM CDT by NWS Sioux Falls SD
Details
SVRFSD
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for…
Northeastern Cottonwood County in southwestern Minnesota…
* Until 930 PM CDT.
* At 831 PM CDT, a severe thunderstorm was located near Lamberton, or
17 miles south of Redwood Falls, moving southeast at 25 mph.
HAZARD…Ping pong ball size hail and 60 mph wind gusts.
SOURCE…Radar indicated.
IMPACT…People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* Locations impacted include…
Comfrey.
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.
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