You’ve probably noticed the air feels a bit different lately in South Mississippi. If you're looking for the weather forecast Poplarville MS, you aren't just looking for numbers; you're looking for whether you need a heavy coat or just a light windbreaker to head over to the Pearl River Community College campus.
Today is Thursday, January 15, 2026, and things are looking pretty crisp.
Honestly, the weather around here can be a total wildcard. One day it's humid enough to make your hair double in size, and the next, you’re scraping frost off your windshield. Right now, we are sitting at a cool 45°F as the sun starts to peek over the pines. If you’re heading out for coffee or early morning errands, that north wind—blowing at about 9 mph—is going to make it feel more like 41°F.
What to Expect for Today and Tonight
Basically, today is going to be a classic, bright winter day. We are looking at a high of 51°F. It’s sunny, which sounds warm, but don’t let the blue sky fool you. The humidity is dropping to around 41%, making the air feel thin and sharp.
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Once the sun goes down? It gets real.
Tonight, the temperature is expected to bottom out at 32°F. That is the freezing mark, so if you have sensitive plants out on the porch or pets that usually stay outside, tonight is the night to bring them in. It’ll be clear and calm, which is the perfect recipe for a heavy frost by tomorrow morning.
The Week Ahead: A Rollercoaster in Pearl River County
If you’ve lived in Poplarville for more than a week, you know the weather forecast Poplarville MS rarely stays the same for long. We’ve got a bit of a temperature swing coming up that might catch you off guard if you aren't paying attention.
- Friday, Jan 16: We bounce back. Expect a high of 63°F and a low of 49°F. Much more comfortable.
- Saturday, Jan 17: A slight dip to 57°F during the day, with a chilly 36°F at night.
- Sunday, Jan 18: Holding steady with a high of 53°F and a low near freezing (32°F).
- Monday, Jan 19: We start warming up again, hitting 61°F.
It's kind of wild how much it fluctuates. You're basically switching between a T-shirt and a parka every 48 hours. By the time we get to next Thursday, Jan 22, the rain chances start creeping back up to 30%, and temperatures might even climb toward the high 60s.
Historical Context: Is This Normal?
Actually, yeah. January is historically the coldest month for us. According to data from the Poplarville Experiment Station, our average high this time of year is about 59°F, and the average low is 38°F. We are running just a few degrees cooler than the "normal" today, but nothing record-breaking.
The record high for January in Poplarville is a balmy 84°F—imagine that in the middle of winter! On the flip side, it has dropped all the way down to 3°F in years past. Thankfully, we aren't seeing anything that drastic in the current weather forecast Poplarville MS.
Humidity and Your Plans
One thing people often overlook is the dew point. In South Mississippi, "dry" air is a relative term. Today the humidity is low for us, but it’ll climb back up into the 70s and 80s as the week progresses. This is why 50°F in Poplarville feels way colder than 50°F in a place like Arizona. The dampness just gets into your bones.
If you are planning on doing any gardening or yard work, Friday looks like your best bet. The sun will be out, and the mid-60s temperature is that "sweet spot" where you aren't sweating through your shirt but you aren't shivering either.
Safety and Preparation
Since we are hitting that 32°F mark tonight, there are a few things to keep in mind:
- The "P" Rules: People, Pets, Plants, and Pipes. Cover your outdoor faucets just in case, even though a brief dip to 32°F usually isn't enough to burst pipes.
- Driving: We don't expect any precipitation tonight, so black ice isn't a major concern. However, if there’s a stray damp patch on a bridge, be careful.
- Heating: If you're pulling out a space heater for the first time this season, make sure it’s at least three feet away from curtains or furniture.
Keep an eye on the local radar if you're traveling toward Bogalusa or Hattiesburg, as small micro-climates can sometimes cause rain showers to pop up even when the Poplarville sky looks clear.
The most important thing to remember about the weather forecast Poplarville MS is that it’s always evolving. Models are currently watching a weakening Polar Vortex that could send more Arctic air our way toward the end of the month. For now, enjoy the sunshine today, stay warm tonight, and maybe keep an umbrella in the trunk for next week.
Actionable Next Steps:
Check your outdoor thermometer around 9:00 PM tonight. If it's already approaching 38°F, the temperature will likely drop faster than predicted. Ensure all outdoor animals have adequate shelter and bedding before the sun sets at 5:16 PM. If you have a commute tomorrow morning, allow an extra five minutes to defrost your windows, as the high humidity and freezing temps will likely create a thick layer of frost.