Nice Start, Maybe A Shower Later

It's a clear and somewhat cool start to the day across the region as temperatures in the pre-dawn hour are in the 30's in the Lehigh Valley, 40's in much of the rest of the region. Today shapes up as a pretty nice day on the whole as sun gives way to an increase in clouds later on as an upper level disturbance chugs east from its current position in Michigan and the Great Lakes.    While overall we should have a nice day, a passing shower or storm can't be ruled out late this afternoon or this evening as the disturbance works on in.

Radar shows the eastern edge of the disturbance in Ontario, just north of Lake Erie, with a slow eastward movement.   Computer guidance and higher resolution imagery suggest we stay dry through much of the day before shower chances increase after 5 PM from the west.   A washout this evening isn't likely but you may be dodging a 20-30 minute shower in any one location.

Temperatures, which were in the 40's on Wednesday afternoon and in the 60's yesterday, will be in the lower 70's in the region later on today as breezes flow in from the west-southwest and bring in additional mild air.   The upper pattern is shifting into a zonal flow from the west and as a result temperatures will remain close to average over the next several days, perhaps above average on any given day.  

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