Winter Storm Selene has caused major travel problems along the Front Range and in the High Plains where whiteout conditions have been reported in some areas. Snow is developing farther east and will impact portions of the Upper Midwest and Great Lakes, where over a foot of snow is expected to fall through Thursday.

(LATEST NEWS:Highways Shutdown Due to Whiteout Conditions)

Blizzard warnings have been issued by the National Weather Service across parts of eastern Wisconsin. This includes the city ofGreen Bay. A larger swath from the Upper Midwest, across the Great Lakes and into the Northeast is under winter storm warnings and winter weather advisories.

Winter Alerts

As of Wednesday evening, more than 31 inches of snow had already piled up in the foothills west of Boulder, Colorado, where snowfall rates of 2 inches per hour were observed. Thundersnow has also been reported in northeast Colorado and western Nebraska.

Denver International Airport had seen 12.1 inches of snow as of 6 p.m. MDT Wednesday with wind gusts over 50 mph, leading to blizzard conditions.Cheyenne, Wyoming, had picked up 14.1 inches of snow as of 5 p.m. MDT.

(INTERACTIVE:Radar|Latest Storm Reports)

Current Radar and Winds

Through Friday, Selene will have spread an over 2,000-mile long swath of snow from the Rockies to the Upper Midwest, Great Lakes, and northern New England.

(MORE: Extreme Winter Storms...in Spring)

A narrow zone of sleet and freezing rain is also possible south of the snow swath from Wisconsin to northern New England.

The warm side of Winter Storm Selene will also produce severe thunderstorms and heavy rain in parts of the South and Midwest. See the link below for more details on the severe threat.

(MORE:Severe Weather Threat This Week)

How Much Additional Snow?

Over a foot of snow possible:Locally, over a foot is possible from southeast Minnesota and northern Iowa to central Wisconsin, northern Michigan and far northern Maine. (CITIES:Green Bay, Wisconsin| Alpena, Michigan)At least 6 inches of snow:northeast Nebraska, far southeast South Dakota, northern Iowa, southern Minnesota, central and northern Wisconsin, northern Michigan, including the eastern Upper peninsula of Michigan, upstate New York, the Green and White Mountains, and parts of central Maine.

Forecast Snowfall Through Friday

Strong, gusty winds will also accompany the snow in some areas, leading to reduced visibility and treacherous travel conditions into Thursday. This could impact stretches of Interstates 70, 80, 90, 25, 29, 35, 94 and 75 among others. Numerous roads were closed Wednesday in Wyoming and Colorado due to snow and high winds.

(INTERACTIVE:Commuter Forecast)

In addition, a band of freezing rain is possible from parts of the Corn Belt into northern New England.

In some locations, this may not only lead to slick roads, particularly overpasses, but also some sporadic sagging or downed tree limbs and power outages.

(MORE: Impacts of Ice Accumulations)

Ice Accumulation Forecast

(Generally speaking, in the absence of wind, ice accumulations of 0.25 inch or higher are capable of downing limbs and triggering power outages.)

Winter Storm Selene Timing

Thursday-Friday

Snow or freezing rain is expected from parts of southern Minnesota and Iowa and the Great Lakes into western, central and Upstate New York and northern New England Thursday.Strong winds will continue to cause reduced visibility and hazardous travel conditions to the north and northwest of where the low tracks in the Midwest.Wintry weather may linger in northern New England into Friday.

Thursday's Forecast

Winter Storm Selene Snow Reports

Here are top snowfall totals and ice reports by state for Winter Storm Selene as of Wednesday evening. The snow from Selene began as early as Monday in California and Oregon.

California: 16 inches at Sierra at Tahoe Ski Resort; 15 inches at Sugarbowl Ski AreaColorado: 31.6 inches inPinecliff; Portions of I-70 and I-25 closed Wednesday; Denver Int'l Airport closed WednesdayIowa: 0.15 inches of glaze ice at ColwellIdaho: 5 inches estimated at Galena Summit Snotel west of GalenaMinnesota: 11.5 inches at BurnsvilleMontana: 13 inches four miles west of Red LodgeNebraska: 8 inches near Harrison and HarrisburgNevada: 10 inches at Diamond Peak Ski ResortOregon: 11 inches estimated at Milk Shakes Snotel southwest of Ski BluewoodSouth Dakota: 9.5 inches near Deerfield ReservoirWisconsin: 8 inches northwest of Eau ClaireWyoming: 16 inches estimated at Little Goose Snotel northwest of Buffalo; 14.1 inches in Cheyenne with all highways and roads closed Wednesday morning.

It's not unusual to see snow after the spring equinox in many of the areas that could see accumulating snow this week. For parts of the northern/central Rockies and the adjacent High Plains, April is actually the snowiest month of the year, on average.

(MORE:Where March and April are the Snowiest Months)

In fact, one-foot-plus March snowfalls are no stranger to the mythical "frozen tundra" of Green Bay, Wisconsin.

The name Selene comes from Greek mythologymeaning goddess of the moon.

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