Severe thunderstorm warnings in Mass., NH, Maine – NBC Boston

Severe thunderstorm warnings were issued Friday afternoon in parts of Massachusetts, including the Boston area, as well as New Hampshire and Maine; others can show up. See severe weather warnings in your area here.

These thunderstorms and other showers on Friday afternoons and evenings are caused by a disturbance over the region. Some storms can include heavy rain and lightning. Expect the storms to subside after sunset when daytime heating decreases.

The highs on Friday will reach into the mid-1970s; some places can reach 80 degrees. Overnight the sky clears up from northwest to southeast, with temperatures in the interior dropping into the 1950s, around 60 degrees on the coast.

The high pressure remains under control on Saturday, which leads to nice weather for the first half of the weekend. Expect clear skies in the morning before cumulus clouds form in the afternoon – a dry day with the occasional risk of showers over the Worcester Hills. The heights rise again into the upper 70s as a sea breeze develops on the coasts.

A disturbance is emerging from the Great Lakes on Sunday, which will lead to increasing clouds before precipitation. Showers and thunderstorms occur in the mornings and afternoons. There will also be an increasing sultry factor in the air.

The wind will increase during the day and reach 20 to 30 miles per hour in the afternoon; gusts as high as 40 miles per hour in some places on the cape and islands. The highs remain in the upper 60s to the low 70s across the North Country and the upper 70s on the South Coast.

Looking at the work week, Monday offers a cold frontal passage that displaces the rain showers from New England on Sunday. The humidity will remain in spite of the cold front, with highs in the lower 80s in the south and in the middle of the 70s in the north.

On Tuesday we are between two cold fronts with scattered showers and afternoon clouds. Highs will again extend into the middle to the upper 70s in the south, into the upper 60s to the deep 70s in the north. The rest of the week looks more dry than wet, with temperatures rising and a range of disruptions traversing the region on the exclusive First Alert Weather 10-Day Forecast on NBC10 Boston and necn.