At a Glance

An area of low pressure moved through the West late this week.Heavy snow fell in portions of the Rockies.

Spring was put on hold this April Fools' Day, as heavy snowfall fell in parts of the Rockies.

(MORE: )

A low-pressure system, along with an increase in moisture and colder temperatures, produced significant snow in the higher elevations of the Front Range.

An area of low pressure tracked across the inter-mountain West through theRockies into Saturday. A second area of low pressure thendeveloped over northTexas on Saturday.

(MORE: )

A significant plume of moisture was brought north from the Gulf of Mexico into eastern Colorado and combined with colder temperatures, resultedin heavy snowfall totals.

Snow Setup

The position of the low, south of Colorado, provided a moist, easterly wind in eastern Colorado.

This upslope flow, or air moving up in elevation from the High Plains toward the Front Range, provides the moist layer in which falling snow can grow. If temperatures are cold enough, as expected, snow can make it to the ground even over the lower elevations.

Snow Reports

Here are selected snowfall reports as of Saturday afternoon:

Arizona: 2.9 inches in FlagstaffColorado: 10.0 inches near Westcliffe and near HillsideMontana: 10.0 i nches near FishtailNevada: 3.0 inches near Incline VillageNew Mexico: 7.0 inches near Amalia and Red RiverWyoming: 29.0 inches near Lander; 6.0 inches near Casper

Snow this time of year, however, is not that unusual for this area of the country. In fact, March is the snowiest month for the Denver area and April is the snowiest month in Breckenridge, Colorado.

(MORE: )

MORE ON WEATHER.COM: Winter Storm Leo (PHOTOS)

The Scottsbluff, Nebraska area received approximately six inches of snow from Winter Storm Leo. (@NSP_TroopE/Twitter)