The typical high temperature this time of year is 57 degrees, Pollina said, lower than Saturday's high of 71 degrees in Islip - which missed breaking the 2002 record there by 2 degrees.
Behind the front, there will be another blast of cooler air moving in on Monday.
Santee Electric Coop reported 329 outages in Williamsburg County, where a Severe Thunderstorm Warning expired at 5:15 p.m. A cold front will start off a few showers that could fall as a little rain and snow on Tuesday.
An added factor is southeasterly surface wind flow expected to develop ahead of the storms, creating a "veering profile" as winds in higher levels of the atmosphere blow from the south and southwest.
Lows will be in the middle 40s Monday morning.
The central US experienced a severe storms outbreak on Friday.
We're keeping a close eye on Sunday for the likelihood of heavy rain and possible severe thunderstorms. Flooding is listed as a lesser threat, with the exception of localized flooding from periods of heavy rain.
The cool down continues into Friday with lows in the mid-40s and Friday afternoon highs in the upper-60s. Temperatures will then trend warmer all the way into Wednesday, with Wednesday being our warmest day, with highs back in the low 80s, but conditions will remain comfortable.
The front will clear the coast by 6:00am Tuesday with cooler, gusty west winds on tap for Monday.
BOZEMAN: Low: 36, High: 56.
Impacts: A severe storm is possible at any point Saturday, but the risk of severe weather looks to be highest after 12PM. Clouds return Thursday, and right now we can't rule out a few scattered showers into early Friday.
Partly to Mostly cloudy, breezy, warm and humid with a 20% chance for a shower or storm.