From the National Weather service in Jackson:

A long duration of cold weather rare for this time of year is expected from tonight Christmas morning. Temperatures as low as single digits in North Mississippi to teens farther south are expected. Across much of our region, temperatures will remain below freezing from late tonight through the morning hours on Christmas Day. In addition, strong and gusty north winds will result in wind chill readings below zero by Friday morning and in the single digits Saturday morning. Hypothermia will be likely with prolonged exposure, with frostbite being possible in 30 minutes or less in the extreme threat area. Damage to exposed pipes will be likely and water main breaks can be expected. Be sure family, neighbors, and pets have a warm place to stay.

Today:

Cloudy conditions will persist again today with the majority of the area being mostly cloudy. Rain chances will increase from west to east with the best chances for rain being along I-55. High temperatures will range from the low 50s to low 60s.

Tonight:

As the arctic air-mass blasts the area low temperatures will drop drastically to the single digits to mid 10s with wind chill values ranging from the single digits to negative single digits. Sustained winds will be upwards of 20mph with gusts of up to 40mph. Scattered to isolated light showers are expected.

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