Storms Cross Maine, Sparking Tornado Warning, After Scorching New England Day

Severe thunderstorm warnings were issued across other parts of Maine Monday evening after a scorching hot day across New England

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A tornado warning was issued for parts of Penobscot County, Maine, Monday evening as the state was hit by severe thunderstorms and the region contended with sweltering heat.

There were no immediate reports of a tornado forming; it can take a day or more for the National Weather Service to confirm tornadoes. But people in the area were urged to take cover in a basement or interior room of their building's bottom floor.

Severe thunderstorm warnings have been issued across other parts of Maine Monday evening; some were in effect through 8:30 p.m. See a list of all severe weather warnings in your area here.

A heat advisory was in effect in most of New England Monday afternoon and evening.

Under mostly sunny skies, high temperatures near 100 degrees were expected to break records in many towns and cities, with heat index values even higher. A 10-20 mph breeze from the west and southwest tempered it somewhat.

A front from northern Vermont to central Maine that kept some of us a little cooler is what generated the potentially dangerous scattered thunderstorms in the afternoon and evening.

Monday night remains warm and sticky with lows in the 70s for most. Storms should diminish shortly after the sun sets.

It is heating up, and for a lot of people, the high temperatures can be dangerous.

Tuesday is forecast to be just a few degrees less hot, but humidity will rise again with highs closer to 90 than 100, but the heat wave goes on.

The chance of thunderstorms increases, too. First, a round of showers may quickly run west to east for a part of central New England during the morning. Then, scattered strong thunderstorms are possible in the afternoon to early evening as a weak cold front passes through by Tuesday evening and delivers less humid and storm-free, though still hot, air Wednesday.

Another disturbance Thursday brings a chance of isolated to scattered thunder in the afternoon ahead of another shot of comfortable air that should lock in a pleasant summer weekend.

Humidity and chance of thunder builds again first thing next week in our exclusive First Alert 10-day forecast.

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