Flash Flood Watch for Southern New England - NBC10 Boston

Flash Flood Watch for Southern New England

Storms will be the most widespread north and west of Boston

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    Weather Forecast: Sun to Develop

    Wednesday night: Downpours & thunder. Some thunder possible. Becoming windy. Low 70s. Thursday: Early downpours. Developing sun. Pop-up PM storm. Low 80s. Friday: Sunny & hot. Upper 80s.

    (Published Wednesday, July 25, 2018)

    What to Know

    • TODAY: Flooding may be possible with overnight showers.

    • TOMORROW: Partial clearing likely for western New England.

    • LOOKING AHEAD: Sunday looks promising in offering some relief from the rain.

    The tropical air holds tough across New England Wednesday, with more hit and miss downpours firing up.

    During the day, these will continue to be most widespread north and west of Boston, with a much better chance of staying dry on the Cape and Islands. Highs reach the 80s for most.

    Overnight Wednesday, the downpours and a few embedded storms will expand. That means even areas that have missed most of the action this week will find some rain. Lows hold in the 70s.

    A flash flood watch is in effect for much of southern New England through Thursday morning.

    Expect a quick one to two inches in some of the downpours that develop. That can create areas of street flooding.

    The widespread hit and miss downpours continue into Thursday. It won’t be raining all day, but almost everyone will get tagged by some rain at some point. The downpours will slowly diminish late day, with partial clearing in Western New England.

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    That clearing arrives for most of us on Friday, with any pop-up showers and storms fairly limited to extreme in north and western New England. Highs will be warmer, in the 80s to near 90, with continued high humidity.

    A cold front sweeps in Friday night and early Saturday, so there still could be a spot shower during the first half of the weekend. Sunday looks mostly dry at this point, and a bit less humid.

    Another unsettled pattern takes shape next week.

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