A polar air mass is expected to dip into the Deep South and much of Mississippi is predicted to see its first hard freeze of the season and ahead of that, a severe weather threat has been issued for part of the state and tornadoes cannot be ruled out .

"The main deal is we're looking at a pretty strong system developing in Central Canada and that is going to steer a polar air mass," said Nicholas Fenner, senior meteorologist with the National Weather Service in Jackson. "Cold Canadian air is going to come down to the Rockies and settle down along the Gulf Coast Sunday night into Monday and our coldest will be Monday night into Tuesday.

"Pretty much most of the state has a chance of being 32 degrees or cooler. In Jackson, we have a forecast of 30 degrees."

Will there be a record co

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