Fox News Weather Center

Reports: Strengthening snowstorm causes road conditions to deteriorate across central US

A snowstorm is snarling travel across the central United States and will evolve into a blizzard into Friday.

Snow will intensify and wind will pick up from eastern Nebraska to Wisconsin, making for dangerous travel throughout the night and the Friday morning commute.

“The highest winds will develop by midnight across Iowa, southern Minnesota, eastern South Dakota and northeastern Nebraska, causing extensive blowing and drifting snow,” AccuWeather Meteorologist Dave Samuhel said.

Thunderstorms are producing 3/4” hail around Omaha, Nebraska. Less than 40 miles west in Wahoo, snow is falling.

As colder air dives southward, rain will changeover to all snow in Omaha into Friday morning. 

As of 8:30 p.m. CST, thundersnow is being reported from Algona to Mason City in northern Iowa. It's currently raining in the central and southern portions of the state, but a changeover to snow will occur Friday morning.

As of 8 p.m. CST, many roads across the northern half of Nebraska were completely covered in snow with heavy snow still falling across the state.

NE 511

(Image/Nebraska 511)

Roads were also covered in snow across northern and western Iowa with several reports of thundersnow throughout the evening.

Iowa Mr. Plow

A plow truck driving down a snow-covered road near Sioux City, Iowa. (Photo/Iowa DOT)

Conditions will continue to deteriorate across northern and western Iowa through Thursday night as blizzard conditions reduce visibility to just a few hundred feet, making travel very difficult.

Heavy snow fell across Wyoming, Nebraska and Colorado on Thursday afternoon as the snowstorm emerged from the Rockies and moved into the central United States.

Between one and four inches of snow fell around the Denver area with higher amounts accumulating in the mountains. This lead to travel delays ahead of the evening commute, especially along I-70 west of Denver.

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Major backups were experienced on I-70 west of Denver on Thursday afternoon. (Photo/Colorado DOT)

Higher snow amounts were observed across Wyoming with Casper picking up 16 inches of snow.

The heavy snow limited visibility to just a few hundred feet, causing dangerous travel conditions. Many roads were closed across the state with WYDOT advising against unnecessary travel.