The storm could produce gusty winds -- there's a 2% chance of tornadoes in the Casper-area. Severe hail will be the size of a quarter or bigger in Central Wyoming.
If you're new to Wyoming, be aware that our skies are rarely dull. There are several new video shares (and a few classics) that show supercell storms in different parts of Wyoming.
The thunderstorm a few weeks ago that hit Douglas may have also spawned a tornado. There's new video that shows a possible funnel touch down, but it could be something else.