Headline:
Severe Thunderstorm Warning issued August 11 at 3:36PM MDT until August 11 at 4:00PM MDT by NWS Rapid City SD
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
August 11, 2026 - 2:36pm
Expires:
August 11, 2026 - 3:00pm
Description:
At 336 PM MDT, a severe thunderstorm was located near Hermosa, or 19
miles east of Custer, moving southeast at 20 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Trained spotters reported.
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...
Hermosa and Fairburn.
Instruction:
Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. This storm has produced dangerous hail
and is capable of producing damaging winds.
Area Description:
Custer, SD; Pennington, SD
Forcast Office:
NWS Rapid City SD
Sender:
w-nws.webmaster@noaa.gov