Somerville

Over the past few months, the Mass Department of Public Health, working with the Department of Recreation and Conservation, has deemed dozens of water locations throughout the state closed due to high bacteria levels.

Heavy rainfall has flooded parts of Massachusetts and Rhode Island, with one city declaring a state of emergency.

Some beaches in the northeastern United States are dealing with more than the threat of COVID-19 this holiday weekend. They have to contend with an unwelcome visitor: the Lion's Mane jellyfish.

Visitors to the waterfront near the New England Aquarium around 12:30 p.m. had to dodge waves slamming over docks and maneuver around water pooling on walkways. Experts say the scene will probably be replayed in the future as sea levels rise.

Trees and wires came down early Monday morning as rain poured down and wind whipped across Massachusetts, the National Weather Service said.

The temperature in Boston rose to 63 degrees on Friday, breaking the previous record for the day of 62, which was set in 1957.

The whale washed up in the Brant Rock neighborhood, the second in the past two months.

The Division of Marine Fisheries is analyzing the clams and expects to have preliminary results in the coming days that might point to a cause.

The temperature at Logan International Airport rose to 97 degrees shortly after 1 p.m. Wednesday, topping a record set in 1953.

The frequency of high-tide flooding has doubled in 30 years. Some cities faced more than 20 days of it in the past year, and not just during hurricanes.

The powerful winter weather storm was slamming into Massachusetts by mid-morning Thursday, bringing blizzard-like conditions in some areas, torrential rain in others, power outages and hurricane-strength winds on Cape Cod and the Islands.

Parts of 10 states and some major population centers — including Philadelphia, New York and Boston — were pummeled by the storm.