BATON ROUGE, La. (Louisiana First) -- A potent winter storm is expected to impact southern Louisiana and southern Mississippi on Tuesday. A surface low will develop near the southeast Texas coast. Moisture in association with this system will stream northward into our area. The moisture mixing with the cold air will lead to a wintry mix of precipitation and snow showers. A Cold Weather Advisory will be issued at 6 p.m. as dangerous wind chill values will be expected tonight and during the overnight hours. Wind chill values will be in the teens again. A Winter Storm Warning will be in effect from midnight Tuesday through midnight Wednesday. An Extreme Cold Watch will be in effect from 6 p.m. Tuesday through 9 a.m. Wednesday due to dangerously cold wind chill values. Highs will be near 40 degrees on Wednesday. Some of the snow will melt, but then it will re-freeze overnight as lows drop into the 20s on Thursday morning. The same thing will happen on Thursday. Afternoon highs will be in the mid-40s so that will allow more of the snow to melt, but then it will re-freeze again overnight as lows fall into the 20s on Friday morning. Cold Weather Advisory: Mon. Evening - Tues. EveningWinter Storm Warning: Tues. Morning - Wed. Morning Monday weather ⛅ Enjoy a nice day of sunshine and dry conditions. Although Monday will be a gorgeous day, it will be too cold to spend an extended amount of time outside as highs will be near 40 degrees. Skies will become partly cloudy this afternoon and mostly cloudy this evening. MLK Day | Cold, Sunny & BreezyMonday's Highs All final preparations for the frigid temperatures and incoming snow should be completed by the early evening hours. We could get our first taste of winter precipitation between 6-9 p.m. A few raindrops will begin moving into our area during the early evening. Later Monday night, we'll have a mix of rain, freezing rain and sleet. Not everyone will have precipitation just yet. Coverage will increase late tonight and during the overnight hours. More rain will move through Monday night. Due to the very cold temperatures, this will be a mix of rain and freezing rain. Sleet is likely too. There will be a few snow flurries before midnight. Snow showers will increase overnight on Tuesday morning. Overnight lows will be in the 20s. Monday EveningMonday NightMonday NightMidnight TuesdayTuesday Morning's Lows Tuesday weather 🌨️ During the pre-dawn hours, there will be a wintry mix. Sleet, freezing rain and snow will impact our area and contribute to worsening conditions on the roads. Around mid-morning, the wintry mix should transition to all snow. By mid-morning and through the afternoon, our entire viewing area should be covered in snow. There will be periods of light snow showers and heavier snow showers. As the Gulf system moves away from the area, there will be less moisture present to support any precipitation. There will be a brief transition from pure snow back to a wintry mix during the early evening hours. All of the precipitation should be out of the area Tuesday night. Tuesday MorningTuesday MorningTuesday LunchtimeTuesday EveningTuesday Night How much snow could Baton Rouge get? ❄️☃️ Based on model guidance, parishes in the Greater Baton Rouge area could accumulate anywhere between 2 to 7 inches of snow. The GFS model is still sticking with 4 to 8 inches for parishes near and along I-10/12. The southwest Mississippi counties and the northern half of Pointe Coupee, West and East Feliciana and St. Helena parishes could receive slightly lower totals. Our in-house Baron model is showing around 4 to 5 inches for the bayou parishes while areas along and north of I-10/12 could receive 1 to 3 inches. Louisiana snow: How to measure snowfall correctly GFS ModelBaron Model Winter storm prep and travel tips 🚗 All preparations for the winter storm and frigid temperatures should be completed by Monday afternoon. Remember to protect the four P's: people, pets, plants and pipes. Make sure elderly relatives have efficient heating, enough blankets and not sleeping with the space heater still on. Bring pets inside. If you have farm animals or other pets that can’t be brought in, have an extra amount of straw and hay for them so they can stay warm. Put out an extensive amount of straw, hay and bedding. Bring your plants inside. Wrap plants in a light sheet if they can’t be brought in. Wrap exposed pipes and leave faucets dripping. The roads won't be safe for traveling for most of this week. Wednesday morning will be extremely cold as morning lows will be in the teens. Wind chill values could be in the single digits. Cold Weather Safety TipsPets & Cold Weather Weather later this week Conditions will be more favorable for traveling on Friday and this weekend as warmer air replaces the Arctic air. We'll have a drastic change in temperatures between the first half of this week and this weekend. Highs will be near 50 degrees on Friday. Saturday morning will be chilly with lows in the 30s, but highs will be near 60 degrees. Sunday morning won't be as cold as morning lows will be in the upper 40s and highs will be near 70 degrees. Latest News Louisiana winter storm to bring snow, extreme cold weather Tuesday Trump declares ‘Golden Age’ in America after inauguration Which were the coldest Inauguration Days in US history? Longtime Planned Parenthood head Cecile Richards dies at 67 Where will Vice President JD Vance live?