Headline:
Severe Thunderstorm Warning issued August 11 at 8:49PM MDT until August 11 at 9:45PM MDT by NWS Rapid City SD
Event:
Severe Thunderstorm Warning
Urgency:
Immediate
Effective:
August 11, 2026 - 7:49pm
Expires:
August 11, 2026 - 8:45pm
Description:
At 849 PM MDT, a severe thunderstorm was located over Quinn, or 22
miles west of Philip, moving southeast at 30 mph.
THIS IS A DESTRUCTIVE STORM FOR WASTA, WALL, QUINN, COTTONWOOD.
HAZARD...80 mph wind gusts and golf ball size hail.
SOURCE...Automated observations.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be heavily damaged. Expect
considerable damage to roofs, windows, and vehicles.
Extensive tree damage and power outages are likely.
Locations impacted include...
Philip, Wall, Interior, Wasta, Quinn, Grindstone, Cactus Flat,
Cedar Pass, Creighton, Cottonwood, Delta 1 Launch Facility, Delta 9
Missile Silo, Minuteman Missile Visitors Center, Pinnacles Ranger
Station, Grindstone Butte and northeastern Badlands National Park.
This includes Interstate 90 in South Dakota between Mile Markers 94
and 146.
Instruction:
Seek shelter now inside an interior room on the lowest floor of a
well-built structure. This storm has produced widespread destructive
winds and is capable of producing dangerous hail.
Continuous cloud to ground lightning is occurring with this storm.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
Area Description:
Haakon, SD; Jackson, SD; Meade, SD; Pennington, SD
Forcast Office:
NWS Rapid City SD
Sender:
w-nws.webmaster@noaa.gov