Active weather over Colorado beginning late Monday through Tuesday. A strong area of low pressure will bring snow to the mountains beginning Monday night, continuing through Tuesday afternoon. Thunderstorms will be possible Monday night across the San Luis Valley, I-25 corridor, and the eastern plains north of Highway 50. After a strong cold frontal passage early Tuesday, snow showers will be possible in those areas Tuesday afternoon. Blizzard conditions are possible across the Palmer Divide beginning early Tuesday morning. Please visit our webpage http://www.weather.gov/pub for information regarding specific Winter Weather watches/warnings and Fire Weather watches and warnings. (Please visit http://weather.gov/pub for more information.)