Overview: We’re tracking a period of cooler weather with good chances for rain over the holiday weekend.
Today: Patchy low clouds and fog over parts of eastern Colorado will give way to a partly cloudy sky for a few hours into early this afternoon. Many areas will become breezy, and then turn cooler as scattered showers and thunderstorms develop this afternoon. Isolated storms could become severe over southeastern Colorado with large hail over an inch in diameter and thunderstorm wind gusts over 60 mph the primary threats, but an isolated tornado is also possible with the greatest threat along and south of the Arkansas River late this afternoon and early evening.
Tonight: Scattered showers and thunderstorms should weaken, but lighter showers may continue at times for much of the night. Becoming cloudy for most areas with some patchy fog possible late. By morning, the air should have cooled into the 40s to lower 50s for most areas.
Sunday: Mostly cloudy with some patchy fog early. Areas of rain and thunder are expected throughout the day, but severe weather appears unlikely with cool temperatures in the 50s and 60s for most areas.
Extended: Memorial Day looks mostly cloudy and cool with showers again. Isolated to scattered showers and thunderstorms are possible for most of the week over and near the mountains, but thunderstorms over the plains will likely be few and far between. We expect a significant warm-up by the end of the week.