Noon, Wednesday, December 13, 2017
A storm system with a slug of Pacific moisture is moving southeastward from the northern Great Basin toward Colorado. It is likely that areas in and near the mountains will get a light snowfall overnight, and everyone will have more seasonable temperatures Thursday. Low level dry air will keep the initial snow that falls out of the clouds from reaching the ground in the lower foothills and plains. Snow may begin in the higher mountains by early evening but hold off until after 10PM in the lower elevations.
Accumulations are likely to range from 3-5 inches in the mountains and 1-3 inches in and near the foothills. Across eastern Denver, Colorado Springs, and the northeast plains 0-1 inch is more likely.
After a return to above average temperatures on Friday afternoon, we are likely to return to colder with another chance for snow Saturday afternoon or night.