GRAND JUNCTION, Colo. (AP) -- A vigorous winter storm is moving across western Colorado.

The storm is expected to last through Thursday in the northern Colorado mountains and bring several inches of snow to the Front Range.

The National Weather Service said Monday snow could be as deep as 20 inches in some areas, with winds up to 50 miles an hour.

Statewide precipitation this winter has been well below normal. The latest U.S. Drought Monitor shows all of Colorado experiencing some level of drought. The Natural Resources Conservation Service listed the statewide snowpack as 67 percent of average as of Monday.

Officials told the state Water Availability Task Force last week that statewide reservoir storage is at about 68 percent of average, and municipal water providers are preparing in case drought conditions persist.