Soaking rains from a storm system will blow through the region for Sunday. Low pressure will be redeveloping Sunday morning over NJ, much like some of our winter Nor’easters do and then strengthen as it crosses into the Gulf of Maine by Sunday evening. The much talked about rain will be heaviest in the morning through noontime and then begin to ease to lighter showers for the afternoon. General rainfall amounts statewide look to be on the order of 0.75-1.5 inches, but there should also be a few pockets where 2-3 inches of rain falls, especially around the mountains. As a result be on the watch for flooded streets in poor drainage areas and keep an eye on some of the smaller rivers and streams that could rise to bankful especially in northern and western NH.
Winds will also be a big story as east and southeasterly winds will be gusting 35-45mph and these strongest gusts will be felt closest to the coast and again up in the mountains. As the secondary Low moves toward the Gulf of Maine, Southern New England will burst into the warm sector behind an occluded front. Highs will climb into the 70's in SNE on the warmer and drier side of this front. We will remain on the cooler, damp side right into the afternoon with highs in the upper 50s and low 60's Sunday.
The showers end Sunday night and clouds will start our Monday morning off as the trailing upper level, primary low crosses over the region. Drying westerly winds behind the departing low will allow for sunshine to be developing by late Monday morning and continue into the afternoon with highs in the lower-mid 70's. Tuesday will continue to warm to near 80 with SW winds ahead of an approaching cold front. That cold front will move through Wednesday. A shower or two is possible for Wednesday, but doesn’t look to be anything to cancel outdoor activities over. Clearing skies will follow with plenty of sunshine to end the week with a slight warming trend as readings return to the Low 80's
Have a great weekend!
Bill Gile | Meteorologist
New Hampshire One News