Quiet weather continues for Friday and the weekend as reinforcing high pressure arrives overnight. Friday will feel a touch cooler than Thursday did, with winds going back around to the north in the wake of a dry cold front. Lows Friday bottom out in the mid-40s, with highs peaking in the upper 60s in the afternoon under uninterrupted sunshine.
Record lows were tied both at North Charleston as well as Downtown Charleston Tuesday morning as a potent shot of Arctic air swung through the area. The low at the airport fell to 29°, tying the record first set in 1943, while Downtown fell to 32°, tying the record low first set in 1913. A record cold high temperature appears to have been set as well at the airport, with the high only reaching 49° for the day, breaking the record of 54° set in 1968. Downtown also only peaked at 49°, but the record cold high temperature of 46°, set in 1913, remains safe. The freezing temperatures put an end to the growing season, which means that there will be no more Frost and Freeze products from the National Weather Service until the season resumes in March.
The good news is that a warming trend begins Wednesday. Temperatures will bottom out around or below freezing further inland, but should only drop to about the mid-30s closer to the coast and in the metro area. Temperatures will rebound quite nicely under full sunshine, with highs peaking in the mid-60s in the afternoon. This is still a little off the normal high for this point in November, but only by about 5-6° as opposed to 22°! The warming trend continues Thursday into Friday as the airmass continues to moderate under high pressure, with just a few clouds from time to time. Overall, there continues to be no major weather concern this week now that we have last night’s freeze behind us.
A highly anomalous Arctic intrusion is arriving this evening, evidenced by gusty winds 25-30 MPH and plummeting dewpoints across much of the area as of 7PM Monday. Further north, some flurries were reported in the Charlotte metro area and as far south as Hartsville, SC. Here at home, the first freeze of the season will occur for the vast majority of us; ensure pets and plants are protected and safe tonight as temperatures will fall into the 20s. Wind chills could drop into the upper teens, prompting a Cold Weather Advisory for Dorchester County. (Layer up!) Despite full sunshine, temperatures may not crack 50° in the afternoon, owing to the strength of the Arctic blast. If these forecasts verify, new record low and record cold high temperatures will be set at the airport: the record low for November 11 is 29°, set in 1943, while the record cold high temperature is 54°, set in 1968.
A strong cold front will bring about the first freeze of the season overnight Monday into Tuesday as a highly anomalous intrusion of Arctic air pushes southward. The winter preview will be short-lived, thankfully, but it will be impactful as the growing season almost certainly will end Tuesday morning.
A couple more warm days lie ahead before the coldest airmass of the season crashes into the area next week. Saturday will generally feature temperatures in the upper 70s after starting the day near 60°. We’ll keep a few clouds around, but the risk for any rainfall should be very low.
A strong front approaches the area Sunday, and there’s a chance that some showers and maybe a thunderstorm could move through in advance, but the risk will be diminishing as the front pushes eastward as moisture doesn’t look to be in abundance. Temperatures Sunday peak near 80° after starting in the low 60s.