Severe Thunderstorm Watch until WED 11:00 PM MDT Weather Alert ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM MDT FOR CENTRAL BIG HORN...EASTERN MUSSELSHELL...CENTRAL YELLOWSTONE... NORTHERN ROSEBUD AND WESTERN TREASURE COUNTIES... At 747 PM MDT, severe thunderstorms were located along a line extending from 13 miles northwest of Melstone to 14 miles southwest of Custer to 11 miles west of Hardin to near Fort Smith, moving east at 50 mph. HAZARD...70 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... Hardin, Custer, Melstone, Huntley, Worden, Fort Smith, Crow Agency,