5:30 AM April 5th – Sunday will begin mostly sunny across much of Southeast Wyoming and Western Nebraska as the warm up continues. High temperatures Sunday are expected to reach the 60s east of the Laramie Range and 50s to the west. Scattered rain showers will develop during the afternoon with an isolated thunderstorm or two developing in the late afternoon and evening. Greatest chance for a thunderstorm is over the northern Nebraska Panhandle.