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Jul 7, 2016 12:06 AM

NH1 First Alert Weather: Humidity increases chances of rain and storms across NH

NH1 Chief Meteorologist

Starting off this Thursday with a stalled front across the north country. More clouds will be in the forecast but I am calling it Partly cloudy as there will be some hazy sunshine. ESE winds will make for a cooler day along the coast with highs in the mid 70's. Inland it will be plenty warm with highs in the 80's to near 90. Dewpoints in the 60's will make it feel like the Lwr 90's this afternoon. The increased low level moisture along with an approaching shortwave will help to be a trigger for afternoon scattered showers and thunderstorms. There will be the potential for some locally heavy rain and the potential for some stronger storms to form. Our stalled front will stay across the north country all day, so all of New Hampshire will remain in the warm and humid airmass. Scattered showers and thunderstorms will last into the early evening hours.

A weak surface ridge builds southeast during the day Friday as a more significant area of low pressure approaches from the west. As the high moves east and off the coast Friday night an east to southeast flow will start to develop. Once again, expect cooler Lwr-mid 70's at the coast Friday, 80-85 inland with mostly cloudy skies. Most of the time Friday will be dry, and muggy. But will will have to watch for a scattered late day shower or thunderstorm. While scattered showers are possible during the day Friday...more persistent showers and possible thunderstorms (western sections)are likely Friday night and Saturday.

Showers will likely be on and off all day on Saturday into Saturday night and likely persist into parts Sunday as another area of low pressure tracks right over us passes offshore. With moist onshore flow...areas of fog are possible Friday night and Saturday. With the cool northeast winds and precipitation...temperatures on Saturday and Sunday will be mainly in the 60s across much of the region with some 70s in southern and western New Hampshire. Not ideal weather by any stretch. Sunday morning, the low will be parked just off the coast with low clouds, damp conditions. The chance of lighter showers Sunday. A wind shift to the NW behind departing low will help improve the weather.

By Monday...the low moves east as high pressure builds in from the west. Temps Monday should rebound into the 70s and Lwr 80's across most of the area. A gradual warming trend will continue through mid-week with mostly sunny skies and temps back into the 80's. Stay tuned to the forecast and the radar as weather will be changing rapidly the next few days. The Weekend just looks like an over all downer at this point unfortunately for a July weekend.


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