Dry trend ahead through mid-next week

8/14/2021

High pressure enters the region on Sunday

On Sunday, high pressure approaching from the west moves into Maine beginning a dry trend that is likely to last into the middle of next week. As the high brings cooler, drier air down from Canada, the humidity that has been lingering the past several days will also be leaving the region making for more comfortable conditions. Temperatures on Sunday are likely to be on the warmer side farther south and east, reaching the mid and upper 70’s, while areas towards the north and west stay in the upper 60’s and lower 70’s. The offshore flow should limit the strength of the sea breeze and allow the coast to stay in the 70's. Skies should otherwise be sunny with a few clouds possible over the mountains later in the day. There also exists a chance for some fog overnight.

Another dry and clear day to start the week off on Monday

High pressure will continue to stick around on Monday allowing for another dry day. Humidity will also still be quite low. Skies should also remain sunny although a few clouds may work into the area during the late evening. Areas of fog may also develop. Temperatures are likely to reach the upper 70’s and possibly even the lower 80’s in the south and east although a sea breeze is likely to keep the coast a bit on the cooler side. Towards the west and north, temperatures should remain in the low to mid 70’s.

The heat makes a return on Tuesday

As the area of high pressure moves east on Tuesday, the wind direction will shift towards the southwest allowing warmer air to be transported into the region. Temperatures are likely to reach the 80’s across most of the state with some places east of the mountains reaching the upper 80’s. However, a sea breeze is likely to keep coastal temperatures below 80.

An end to the dry trend on Wednesday as showers move in

On Wednesday, a 500mb shortwave trough will move in from the west allowing for a few showers to develop over the western mountains and southwest regions. Skies should otherwise remain mostly cloudy. Temperatures will be hot, reaching the 80's across much of the region except for a few areas along the coast as a sea breeze sets up. Combined with increasing moisture, this is likely to lead to some muggy conditions.

Moist conditions stick around through the end of the week along with the chance for showers

Plentiful moisture looks to be staying in the area for the end of the week. Combined with a surface trough on Thursday, pictured above, this should allow for a few showers and possibly even a thunderstorm to develop. Conditions are likely to remain a bit drier on Friday, however. The heat will also continue through the end of the week and temperatures in the 90's are a possibility.

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Temperature Outlook

After the past several days of hot weather, some relief will arrive on Sunday and Monday before temperatures begin to rise again beginning on Tuesday with the heat sticking around through the end of the week.

Be prepared to receive alerts and stay updated!

BE PREPARED WITH A NOAA Weather Radio.

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► ► 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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-Sean

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