It’s going to feel like summer in Maine on Monday, with temperatures in some places soaring into the 80s. The National Weather Service is even warning that brush fires or forest fires could break out.

There have been no 80-degree days so far this year, but the weather service said that will change Monday in many southern inland areas, such as Fryeburg in Oxford County and Bridgton in Cumberland County. Augusta in central Maine could also see a high in the 80s. Temperatures along the southern coast, including Portland, are expected to be in the low 70s.

Mike Kistner, a meteorologist with the weather service in Gray, said it hasn’t been this warm since Oct. 15 when Portland recorded a high temperature of 76 degrees.

“People are going to melt out there,” Kistner said. “This is shaping up to be the hottest day of the year.”

Some people may even think about going to the beach Monday, Kistner said.

That might sound like a strange destination considering that the last significant snowstorm in Portland occurred less than a month ago, when 2.9 inches fell over a two-day period April 8-9. That was more than the 2.4 inches for the entire month of March in Portland. The heaviest amounts of snow came in February and January, with 34.2 and 40.5 inches, respectively.

Another weather oddity also is predicted for Monday. With warm weather forecast during extremely dry conditions, the weather service issued a fire watch Sunday for most of Maine. The watch will go into effect at noon Monday and expire at 9 p.m.

The weather service said ground surfaces that are covered with dry pine needles and leaves, and winds expected to reach 15-25 mph, mean a brush fire or forest fire could spread quickly.

“Conditions on Monday will be ripe for a fire to spread rapidly if there is an ignition source,” Kistner said Sunday evening. “Once the snow melts, you have all the dead growth from winter. This is our fire weather season until things start to green up.”

He said the weather service issues fire watches after consulting with the Maine Forest Service, which is in the field and has firsthand knowledge of ground conditions. There is a chance the weather service could issue a red flag warning by Monday morning. A red flag warning means the chance of a brush or forest fire is high.

Tuesday is also expected to be warm in southern Maine, with highs in the mid-70s predicted for many areas.

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