At 800 PM MDT, a severe thunderstorm was located over Rapid City, moving southeast at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Trained spotters reported.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees.
Locations impacted include... Rapid City and southwestern Rapid Valley.
This includes Interstate 90 in South Dakota near Mile Marker 56.