Rain From Karen Could Follow a Warm Weekend in Boston

By Alex Sosnowski, Expert Senior Meteorologist

October 3,2013; 8:00PM,EDT

 

 

Unseasonably warm conditions will continue around Boston through the weekend, ahead of possible drenching rain from Karen.
High temperatures in the 70s will continue around the region through the day Sunday. Spotty showers will be around each day, but most of the time will be rain free.
However, two weather systems have a chance at bringing a dose of heavy rain from Monday night into Tuesday.

A front from the Plains is forecast to sweep off the East coast Tuesday later Tuesday. Ahead of the front, showers and thunderstorms are in store with a southerly flow of moisture.
Surviving within that flow may be Karen as a tropical rainstorm.
If Karen's rain does make the trip this far north, it would raise the possibility of minor flash and urban flooding, as well as travel delays, most likely Tuesday morning.
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Most areas could easily handle a couple of inches of rain over a 6- to 12-hour period with few problems as the last general thorough soaking was Sept. 22.
The air behind the front and/or Karen will not be especially cool. Temperatures will still average above normal for the rest of next week.