How cold are we talking about Jacksonville? Everything you need to know about the week.

The cold weather has already prompted the postponement of Jacksonville’s Martin Luther King Jr. Day Parade and the move to indoors for President Donald Trumps initiation. Don’t expect it to go away anytime soon.

With a freeze warning in effect overnight Monday, the National Weather Service in Jacksonville has “high confidence for an extended period of dangerously cold temperatures and wind chills from evening into Thursday. Overnight freezes and dangerous wind chills will remain through Saturday,” the city advised in the update Monday afternoon.

Western Duval County is under a winter storm warning with freezing rain likely Tuesday night into Wednesday morning. The areas most at risk for freezing rain are those west of the Interstate 295 West Beltway, the city said.

Some parts of Florida may even see snow, according to meteorologists. Roads, trees and power lines are a concern, as are plants, pets and people who are elderly or outdoors.

Here’s a look at some of the conditions.

What is the weather forecast for Jacksonville and the area?

The weather service announced that its winter storm watch has been upgraded to a warning for all of southeast Georgia and part of interior northeast Florida.

• Frost warning until 10 Tuesday. Early morning wind chill in the low 20s with highs in the 40s. Morning wind chill in the low to mid 20s through the week.

• Winter Storm Warning Tuesday late afternoon-early Wednesday afternoon. Moderate to high chance of freezing rain.

• Snow and wintry mix (freezing rain and/or sleet) medium chance inside southeast Georgia.

• Night will freeze inland through the coming weekend.

“A rare and potentially impactful winter weather event remains on track Tuesday evening through midday Wednesday for southeast Georgia and parts of northeast Florida,” the weather service said. “Model trends consistently increase the potential for snow and freezing rain over the last few days, with models also becoming more consistent with each other on impacts.”

What is a winter storm watch and a winter storm warning?

“Definition of Local Criteria for a Winter Storm clock/warning: Accumulation of an inch or more of snow per event and/or any accumulation of ice or sleet affecting transport, trade or power“, according to the Weather Service.

Did it freeze in Jacksonville on Monday?

No, but it was only 1 degree off with a low of 33 from 7 to 9 a.m., according to the weather service. The high was 44 and the wind chill low was 26.

What’s the coldest it’s been in Jacksonville?

The coldest day in Jacksonville history was 7 degrees on Jan. 21, 1985, according to the Weather Service. The coldest January 20 in Jacksonville was 19 degrees also in 1985, and January 22 was 16 degrees in the same year.

Are schools closed because of the cold weather?

Some Florida school districts have opted to close due to the cold, but locally the Times-Union has not received any notifications.

Is it going to snow in Jacksonville?

The locally based Weather Service office covering Northeast Florida and Southeast Georgia is not listing Jacksonville for snow.

It states: “The current forecast has the highest chances of measurable snow (40-65% chance of 1-inch accumulation) from the line Statenville to Waycross to Darien, Ga., northward. For areas south of there, but along and north of I -10 there is a medium (40-60%) chance of freezing rain accumulation greater than 0.1 inch and a low (20-30%) chance of ice accumulations when 0.25.”

Has it snowed in Jacksonville?

Any snow or ice accumulation would be Jacksonville’s first in 35 years, since a pre-Christmas storm dropped nearly 2 inches of snow on much of Northeast Florida on Dec. 23, 1989.

According to weather data from the National Oceanic and Atmospheric Administration, it snowed in Jacksonville this week on the following days:

• Monday 20 January: Traces of snow in 1985

• Thursday 23 January: Traces of snow in 1935

Where can people go to get out of the cold in Jacksonville?

The city of Jacksonville will have “warming centers” open until 9 Saturday:

Accommodation (Monday-Friday 21:00-09:00): The Legends Center, 5130 Soutel Drive.

Daytime (Tuesday-Friday, normal opening hours): All city libraries and community centers. Visit JaxReady.com/StayWarmJax to find warming centers and learn more about what to bring.

Temperatures are expected to be below normal but not as cold across the Florida peninsula

No later than Tuesday coldest temperatures will be mainly concentrated along the Panhandle. South Florida will have highs in the mid-70s, Central Florida in the low-50s and North Florida in the 40s, while cities like Pensacola, Tallahassee and everything in between will be in the 30s Tuesday afternoon, according to Florida Public radio emergency network.

The temperatures will be especially after Wednesday below average for most of Florida. By the end of the week, up to 25 below average across the Panhandle and North Florida, while central and southern Florida will be 10 to 15 degrees below normal. according to the Florida Public Radio Emergency Network.

How to prepare for a cold in Florida

• Persons are encouraged to stay indoorsuntil conditions improve

• Dress in layers including hat, face mask and gloves if you are going out.

• Consider delaying all travel. If travel is absolutely necessary, drive with extreme caution. Consider taking one winter storm kit with you, including things like tire chains, utility cables, flashlight, shovel, blankets and extra clothing. Also take water, a first aid kit and anything else that will help you survive if you get stranded.

• To prevent water pipes from freezing; pack or drain or let them drip slowly.

• Make frequent checks on elderly family, friends and neighbors.

• Make sure portable heaters are used properly.

• Do not use generators or grills inside.

• Keep pets indoors as much as possible.

➤ Frost warning, cold advisory? Be familiar with these official winter weather terms

Stay informed. Get weather alerts via text

USA TODAY NETWORK’s Cheryl McCloud contributed to this report.

This article originally appeared on the Florida Times-Union: Jacksonville and Florida brace for rare winter weather and cold