Track shifts a bit north
The two things I mentioned in the Monday evening Facebook post are on track to occur. Remnants of Florence to impact the south, a cold front passes through in its wake from the north. The heavier rain in southern areas appears to be over with early Tuesday afternoon, although I can't rule out a quick downpour from a passing shower or thunderstorm associated with the trailing cold front through Tuesday night.
Wednesday appears mainly dry at this point, outside of a few sprinkles or a light shower over the north and mountains.
Areas in the coastal plain are likely to receive the most rain from this event. Since this is a tropical system, there runs the chance for thunderstorm development, and if that were to occur, heavier rainfall from downpours are likely.
Severe storms cannot be ruled out, but will likely be isolated if they flare up. Gusty wind, frequent lightning, and downpours are all possible in southern areas with the energy associated with Florence. Any storm activity Tuesday afternoon into the evening may include hail in addition to the aforementioned threats.
Humidity departs once again
As the cold front ascends from the north, this most recent round of humidity will be flushed out of the region with a north / northwest wind by late evening Tuesday into the wee hours of Wednesday morning. The breeze will continue into Wednesday, settling down by Thursday morning.
Dew points will remain at comfortable levels through the weekend. We may see an uptick in humidity the middle part of next week as a warm from from the southwest may pay a visit, but it does not appear to last very long, if it happens. Fall will arrive on time.
For the latest official forecasts, bulletins and advisories, please check in with the National Weather Service in Gray for western and southern areas, or Caribou for northern and eastern parts of Maine.
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Seven year forecaster.