Your morning Wyoming weather update Southeast Wyoming faces the highest severe weather threat today, particularly around Cheyenne and Laramie where large hail and damaging winds are most likely. Central Wyoming from Casper through Rawlins sees storms arriving slightly later, between 4 and 6 P.M., with heavy rainfall the main concern. Western Wyoming near Jackson and Pinedale catches the tail end of this system with scattered showers and mountain thunderstorms continuing into the evening hours.