AN APPROACHING WEATHER SYSTEM WILL BRING AN INCREASING CHANCE OF RAIN AND SNOW SHOWERS AND ISOLATED THUNDERSTORMS ACROSS THE AREA WEDNESDAY AFTERNOON...CHANGING TO ALL SNOW SHOWERS WEDNESDAY EVENING. CASPER MOUNTAIN MAY SEE 3 TO 5 INCHES OF SNOW DURING THIS PERIOD...WITH 1 TO 3 INCHES ACROSS THE LOWER ELEVATIONS OF NATRONA COUNTY WITH LOCALLY HIGHER AMOUNTS WHERE HEAVY SNOW SHOWERS PERSIST. THE SYSTEM WILL MOVE EAST AWAY FROM THE AREA ON THURSDAY.