Dramatic temperatures swings and heavy rain on the way! - WFSB 3 Connecticut

Technical Discussion

Dramatic temperatures swings and heavy rain on the way!

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HARTFORD, CT (WFSB) -

NOON UPDATE:

Gray skies are going to partially clear up, it's just going to take a couple of more hours.  We've got an extensive amount of cloud coverage out there along with a few showers moving through the state.  Yes, while most towns are staying dry, some towns are picking up a shower or two.  Here's the good news:  the clearing is already starting to take place in Pennsylvania and that clearing trend will eventually make it's way into CT this afternoon.  That's when the skies will become partly sunny and the temps will move into the low 70s.  The numbers out there right now aren't bad at all, as a matter of fact it's 60 degrees in Torrington 61 in Waterbury, 61 in Chester and 62 degrees in Danbury.  The normal high for this time of year is 60 degrees, so we're doing pretty good.  

WARMER TODAY…

A cold front will stall near or just to the north of Connecticut today.  We will be on the warm side of the front with temperatures rising into the 70s.   Shoreline communities will likely see highs in the upper 50s and 60s due to an onshore breeze.  The water temperature in our surrounding coastal waters is still in the 40s, and this includes Long Island Sound.  A few scattered showers will give way to brighter skies this afternoon.  The warmest readings in the state may actually occur in Southwestern Connecticut in places like Danbury.  This part of the state will be farthest away from the cold front and the cooling influence from the onshore flow should be minimal or non-existent. 

BIG CHANGES THIS WEEKEND…

A backdoor cold front will be stretched across Southern New England tomorrow.  It is called a backdoor cold front because cool air will move into the state from the northeast, not from the west.  The front will slide southward across Connecticut tomorrow afternoon.  Temperatures will greatly depend on the exact timing.  There is the potential for a very warm day with highs in the 70s, perhaps even near 80 degrees.  However, if the front arrives earlier as some guidance models are suggesting, highs could be limited to the 60s, perhaps even the 50s in parts of the state!  This is a very difficult forecast to say the least.  When the cool northeasterly flow arrives, so will clouds and perhaps even some spotty drizzle tomorrow afternoon.

The front will slip to the south of New England Saturday night.  A north or northeasterly wind will usher in much cooler air.  Temperatures are expected to drop into the low and middle 40s by Sunday morning.

Sunday will be cloudy and raw with highs only in the 40s.  We can also expect occasional rain and drizzle along with a stiff northeast wind.  If you have outdoor plans this weekend, Saturday will be the better of the 2 weekend days!

MONDAY…

A storm system will bring a period of steadier and heavier rain late Sunday night and Monday.  There is even a chance for a few thunderstorms Monday in advance of a cold front.  The main storm center will pass to the west of Connecticut, but temperatures will greatly depend on the progress of the warm front.  If the front moves through the state and we get into a strong southerly flow, temperatures could reach the 60s.  No matter what the temperature is, heavy rain seems like a good bet with perhaps 1-3” by the time it tapers of Monday night.

TUESDAY, WEDNESDAY, AND THURSDAY…

The storm will be gone by Tuesday, but a few showers could pop up in the afternoon.  We are forecasting a mostly cloudy, breezy day with highs in the 50s.

Wednesday is now looking better.  Instead of rain, we are forecasting a partly sunny day with highs 55-60.   Rain or showers should hold off until Thursday.  Highs once again should range from 55-60.

Chief Meteorologist Bruce DePrest with Scot Haney

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