Flying this weekend? Chances are your airline will let you rebook your flight for free

Forecasts say the Twin Cities could get 8-12 inches of snow.

A pretty big snowstorm is headed for us, which could hamper travel across the Midwest through the weekend.

The National Weather Service is forecasting between 8-12 inches of snow for the Twin Cities, which has prompted several airlines to issue travel advisories for Minneapolis-St. Paul International Airport and other airports in the Midwest.

This means if you're flying Delta, American Airlines, United, Sun County or Southwest on Dec. 16 or 17, you can rebook your flight without paying any change fees, the airport said on Facebook Thursday.

And if you're flying to the East Coast on Saturday or Sunday, many airlines – including Delta and American – have issued travel waivers for those airports as well. (The snow that's hammering Minnesota Friday is expected to hit the East Coast Saturday, AccuWeather says.)

Be sure to check with your airline if you plan to take advantage of the travel waiver offer (each airline has slightly different rules). And if you're traveling this weekend, be sure to check the status of your flight before heading to the airport.

So how bad will it be?

The National Weather Service's website breaks down the probability of how much snow we're expected to get, and confidence is pretty high that the Twin Cities is bound to get at least 8 inches of snow.

It'll all start with some light snow Thursday night (about an inch), which is expected to make the Friday morning commute a little slow, the weather service tweeted. And then the heavy snow comes Friday afternoon into Friday evening, before tapering off Saturday morning.

Snowfall totals from 6-11 inches are expected across southern Minnesota, with an area along and south of a line that stretches from Appleton to Litchfield, the Twin Cities and Eau Claire getting the most snow, the National Weather Service's winter storm warning says.

And after all that snow? It's going to be cold. Like dangerously cold, with the weather service saying it'll be the coldest weather we've seen since January 2014, when temperatures fell to -23 degrees at MSP Airport.

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