Headline:
Severe Thunderstorm Warning issued August 11 at 5:12PM MDT until August 11 at 6:00PM MDT by NWS Rapid City SD
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
August 11, 2026 - 4:12pm
Expires:
August 11, 2026 - 5:00pm
Description:
At 512 PM MDT, a severe thunderstorm was located over Deerfield, or
16 miles west of Hill City, moving southeast at 20 mph.
HAZARD...Quarter size hail.
SOURCE...Radar indicated.
IMPACT...Damage to vehicles is expected.
Locations impacted include...
Deerfield, Flag Mountain, Deerfield Reservoir, Medicine Mountain
and Bear Mountain Lookout.
Instruction:
Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing large hail.
Area Description:
Custer, SD; Pennington, SD
Forcast Office:
NWS Rapid City SD
Sender:
w-nws.webmaster@noaa.gov