Widespread Severe Weather Threat, Snow Closes 500 miles of Highway

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An expansive stretch of severe weather spans from Texas to the Great Lakes, threatening at least 20 states. A massive snowstorm has closed 500 miles of highway, a major fire danger for the central US. Weather alerts and forecasts.

NWS weather alerts for Wednesday

Here are the latest weather alerts from the National Weather Service (NWS) for Wednesday.

Blizzard warning: eastern Montana; North Dakota; northern South Dakota.

Winter storm warning for portions of Montana, Minnesota, Oregon, Colorado.

Winter weather advisory for portions of Washington, Oregon, California, Nevada, Idaho, Montana, North Dakota, South Dakota, Minnesota, Wyoming, and Colorado.

Red flag alerts for portions of Nebraska, Kansas, Colorado, New Mexico, Oklahoma and Texas.

Flood watch: Northern Wisconsin; southeastern Louisiana, southern Mississippi.

Multiple rounds of severe storms, tornadoes, and injuries, over 100K without power

Multiple rounds of severe storms are forecast for Wednesday, with at least 20 states in the crosshairs from south to north over the central US, South, and Ohio Valley.

As of 6 AM on Wednesday, over 100,000 residents were without power in several states, including Louisiana, Texas, New Mexico, Arkansas, Mississippi, and Tennessee, according to poweroutage.us

At least 23 people were injured after a tornado ripped through central Texas, uprooting trees and reducing buildings to rubble, weather.com reported. Schools in the threatened regions were expected to release students early on Wednesday due to the storm danger.

The areas most at risk under a Level 4 threat are northeastern Louisiana, eastern Arkansas, northwestern Mississippi, western Tennessee, southeastern Missouri, western Kentucky, southern Illinois, and southeastern Indiana.

Also at risk are portions of Texas, Oklahoma, Kansas, Florida, Alabama, Georgia, North Carolina, Virginia, West Virginia, Ohio, Iowa, Wisconsin, and Michigan.

500 miles of roadway shut down due to storms, blizzard warnings and heavy snow for Wednesday

On Tuesday, a storm system shut down 500 miles of roadway, and the threat of blizzards and heavy snow returns on Wednesday for the north-central US.

Heavy snow is forecast on Wednesday for portions of Montana, North Dakota, South Dakota, Minnesota, Oregon, and Northern California snow is also forecast over parts of Washington, Nevada, Idaho, Wyoming, Utah, Nebraska, and Colorado.

Look ahead: 2-day forecast

Here is a look ahead with your Thursday and Friday forecast from the National Weather Service (NWS).

Thursday: Heavy snow, thunderstorms

Heavy snow over Minnesota, with snow over Montana, North Dakota, and South Dakota. A wintry mix in the West over Washington, Oregon, Idaho, Montana, Wyoming, California, Nevada, Utah, and Colorado.

Thunderstorms along the East Coast span along the Gulf and Atlantic from Florida to New Hampshire. No severe weather in the forecast as yet.

Friday: Snow and thunderstorms

Snow over parts of Washington, Idaho, Montana, Wyoming, Utah and Colorado, as well as North Dakota, Minnesota, Wisconsin and northern Michigan.

Thunderstorms in the South over Texas, Oklahoma, Kansas, Missouri, Arkansas, Louisiana, Mississippi, Tennessee, Kentucky, Illinois, Indiana, Ohio, West Virginia, Virginia, North Carolina, South Carolina, Georgia, Alabama, and Florida.