Texas ice storm updates: Over 350,000 customers without power

Millions of people are on alert for dangerously cold weather, ice and flooding.

A massive ice storm is freezing Texas and the southern United States on Wednesday.

Some 60 million people in 22 states -- from New Mexico to Maine -- are on alert for dangerously cold weather, ice and flooding.

Freezing rain and sleet are in the forecast from Texas to Tennessee, before slowly transitioning into just rain as temperatures warm up late Wednesday into Thursday.

Latest headlines:

Over 350,000 without power in Texas

More than 350,000 customers are without power in Texas on Wednesday afternoon as a massive ice storm slams the South.

Latest forecast

Officials are urging residents to avoid travel across much of Texas, Oklahoma, Arkansas, Tennessee and Mississippi as the dangerous ice storm coats roadways.

On Wednesday evening, another wave of freezing rain and sleet will move in across much of Texas, leading to additional ice accumulation and significant travel concerns.

By Thursday morning, the ice and rain will be ongoing from Texas to Mississippi. A forecast of 1 to 3 inches of rain has prompted flood alerts in the lower Mississippi River Valley.

Pistons stuck in Dallas, Wizards vs. Pistons game postponed

Wednesdays night’s basketball game between the Washington Wizards and Detroit Pistons has been postponed because the ice storm has stranded the Pistons in Dallas.

The Pistons were in Texas for a Monday night game, and now the weather conditions are preventing the team from returning home, according to the NBA.

Dallas airports face major flight cancellations

More than 2,200 flights have been canceled amid the storm.

Dallas Fort Worth International Airport has canceled 75% of its flights while Dallas Love Field Airport has called off 68% of its flights.

-ABC News’ Sam Sweeney