A BAND OF SHOWERS AND THUNDERSTORMS EXTENDING FROM 11 MILES WEST OF CASPER TO POWDER RIVER AND NORTH TO BIG TRAILS WILL CONTINUE TO MOVE NORTH NORTHWEST OVER PORTIONS OF HIGHWAY 26 IN NATRONA COUNTY AS WELL AS THE WEST SLOPE OF THE BIG HORN MOUNTAINS AND ON INTO THE VICINITY OF TEN SLEEP THROUGH 330 PM. EXPECT LOCALLY BRIEF HEAVY RAIN...WIND GUSTS AS HIGH AS 45 MPH...DANGEROUS LIGHTNING AS WELL AS POSSIBLE SMALL HAIL WITH THESE STORMS.