Another chilly start is in store for Wednesday as high pressure to our north keeps some cool air blowing into the area throughout the night. This will send temperatures down to the mid-30s once again, with another shot at freezing in a few more secluded spots. Wind chills will dip below 32° at times in the morning, so be sure to dress appropriately. The good news is that we warm up some compared to Tuesday, heading to the low 60s in the afternoon under partly cloudy skies.
The brief warmup doesn’t last long, though: a reinforcing cold front comes through overnight Wednesday into Thursday, ushering in strong high pressure that will not only reinforce the chill — expect highs just to top out in the mid-to-upper 50s — but also kick up the northeasterly winds, which will start to drive tidal departures higher as well, which may lead to minor to moderate coastal flooding in the morning. This strong high pressure will lead to another mid-30s start on Friday, with highs struggling to the upper 50s despite mostly sunny skies. We’ll also need to watch Friday morning’s tidal departures for the risk for additional coastal flooding.
Tuesday will be another sunny day across the area, though you’ll want a jacket as cooler-than-normal temperatures continue. We start the day in the mid-30s, but the wind chill will make it feel around freezing. Some spots well inland could hit freezing, too. Bring in your pets tonight and cover or bring in any sensitive plants, just in case. Temperatures then warm once again to merely the mid-to-upper 50s despite mostly sunny skies as cool high pressure persists. This runs a few degrees below normal; the normal high for December 12 is 63°.
Another cool couple days lie ahead as a reinforcing front comes through early Wednesday morning. This will be a pretty solid shot of cool and dry air as high pressure builds in from the west. We’ll start Wednesday in the mid-40s, but the cooler air rushing in will limit the high to around 60° in the afternoon despite primarily sunny skies. It’ll be a bit breezy, with gusty winds out of the northwest at times, so some element of wind-breaking may be ideal.
Thursday will be the coolest day of the week. We’ll start the day in the mid-30s, with inland locations possibly approaching freezing. A light wind will make it feel a little cooler, with wind chills in the low 30s across the metro. Skies will once again be predominantly cloud-free, but the cold high pressure settling in will hold highs to the upper 50s to around 60°.
High pressure slips offshore Friday, and this allows some warmer air to move back in. We start Friday in the upper 30s to around 40°, but temperatures will warm back toward the mid-60s in the afternoon. Clouds will also be increasing as a coastal trough begins to take shape nearby, but rain is not expected.
A reinforcing shot of cool air arrives overnight, and by Tuesday morning, we’ll wake up to temperatures about 10-15° cooler than we woke up to on Monday. Expect to start the day in the mid-40s before warming to the mid-60s in the afternoon under partly cloudy to mostly sunny skies. These temperatures are right around normal for December 5.
A Freeze Warning is in effect for Tuesday night and Wednesday morning. Expect temperatures to fall into the 20s inland of 17-A, with temperatures around 30° in much of the rest of the metro area. Places closer to the water such as downtown and the islands should stay just above freezing, though frost will be a concern there as well. Bring in your sensitive plants and make sure your pets have a warm place to be tonight.
Tuesday will begin a string of a few chilly mornings across the metro area. Temperatures will start in the mid-30s; breezy northwest winds will make it feel closer to freezing, so bundle up accordingly. (There should be too much wind and too little moisture for frost formation, BTW.) Cloud cover will hang around for the morning before scouring out in the afternoon. Even so, highs will struggle to the mid-to-upper 50s as northerly winds continue to blow cold air into the region.
There will be a chance for a little salt water to creep up out of some drains around Lockwood as well as out of Gadsden Creek with Tuesday morning’s high tide, though it should peak just shy of coastal flood criteria. Still, you don’t want to drive through salt water if you can help it. High tide on Tuesday morning is expected to peak around 8:17am.
Showers re-enter the weather picture for the second half of the work week, though we’ll warm up a little in the process. Expect overcast on Wednesday before scattered showers commence in the afternoon. It doesn’t look like it’ll be a terribly heavy rain, but it could be enough to make the roads a little slick, so be careful when commuting. Temperatures start in the low 50s and rise to about the mid-60s in the afternoon as the cool wedge of high pressure hangs on for one more day.
The wedge starts to weaken Thursday, and despite overcast with periods of showers continuing, temperatures will run a little warmer. Expect mid-50s to start with low 70s in the afternoon. A few peeks of sun will be possible Friday, though scattered showers are expected to continue. Temperatures will run even warmer Friday, with lows around 60° and highs in the low-to-mid-70s.
Minor coastal flooding will continue to be possible with the morning high tides heading into the weekend. Water levels will generally peak around 7-7.1′ or so each day, which is enough to put some salt water on vulnerable roads in downtown Charleston. The highest tide capable of producing flooding on Wednesday is predicted around 8:47am, Thursday a little after 9:30am, and Friday around 10:30am. Stay tuned for Coastal Flood Advisories from the National Weather Service.
Another seasonably cool fall day awaits for Tuesday as we start to see an uptick in cloud cover portending more unsettled weather beginning later Wednesday into the rest of the work week. Temperatures start in the mid-40s before heading to the mid-60s in the afternoon, a couple clicks below normal but certainly very seasonally-appropriate. We’ll see ample sunshine, too, but as mentioned, cloud cover will begin to head up as we get into the evening.
High tide a little after 8am will be capable of producing some minor coastal flooding, with water levels generally approaching 7′ or so. It’ll be enough to put salt water on the most vulnerable roads — think around Hagood and Fishburne — but won’t cause widespread problems. Still, be ready to reroute around salt water-covered roads Tuesday morning.
We have a few more days of above-normal warmth before changes in the form of a cold front and subsequent wedge of high pressure arrive for the weekend. For Wednesday, expect another predominantly sunny day starting around 50-51° before warming to the low 80s in the afternoon. Thursday gets off to an even warmer start as lows bottom out in the upper 50s. A few more clouds will dot the sky on Thursday, but we should still have no trouble reaching 80-81°.
Cloud cover continues to increase as we head into Friday, which will be the last of this long stretch of above-normal temperatures (for now, anyway). High temperatures will run in the low 80s for one more day as warm air pumps into the area ahead of a cold front. It increasingly appears we’ll stay rain-free Friday as the front looks to pass through Saturday morning, bringing with it a few showers and much cooler temperatures for the weekend into next week. It won’t be much in the way of rain, but any little bit helps as abnormally dry conditions continue to spread across the area.
No concerns for Tuesday’s weather as we head to the polls for various local elections — not even any tidal flooding to speak of. We’ll start the day with a light jacket and shed it by midday as highs head to around 80° in the afternoon. Unfettered sunshine will be the rule with a light west to southwest breeze throughout the day.