NWS Cheyenne: Upper 60s to Lower 80s by Monday, Then Chance of Rain/SnowNWS Cheyenne: Upper 60s to Lower 80s by Monday, Then Chance of Rain/SnowTemperatures in southeast Wyoming and the Nebraska Panhandle are expected to climb into the upper 60s to lower 80s by Monday.Joy GreenwaldJoy Greenwald