Tuesday: It will be a cooler day with showers and thunderstorms. With an abundance of subtropical moisture in the area, heavy rain will be likely with any storm that develops. High temperatures will be in the 70's and upper 60's. Winds will be from the east-northeast at 5-15 MPH. Overnight, rain will continue along with the threat of Flash Flooding. Low temperatures will be in the 50's. Rainfall amounts will range from 0.25" to 0.75" with over 1.00" possible in thunderstorms.
Wednesday: More rain and clouds for Wednesday, and much cooler. Temperatures will struggle to climb out of the 60's in Cheyenne and we'll see a continued flooding threat with heavy rain being possible again under mostly cloudy skies. Overnight, mostly cloudy skies, but with rain showers coming to an end and lows in the mid 50's.
Storm total rainfall amounts could range from 1-3 inches for parts of the region