Localized Flooding Possible in Some Areas With Torrential Downpours - NBC10 Boston

Localized Flooding Possible in Some Areas With Torrential Downpours

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    Tuesday Clouds to Rain and Thunder

    Tuesday: Clouds to rain and thunder, humid. Highs around 70.

    Overnight Tuesday: Showers end, patchy fog. Lows in the 60s.

    Wednesday: Early morning clouds to sun. Highs in the 80s, 70s coast.

    (Published Tuesday, June 25, 2019)

    A shot of rain for our Tuesday comes ahead of a quick return to summer warmth, but that also calls for areas of rain and thunder with some heavy downpours as humid air pushes north into southern New England.

    While the rain begins as showers then steady rain from west to east, indications are that some torrential downpours will mix in Tuesday afternoon from far southeast Connecticut through Rhode Island into Southeast Massachusetts. This may cause localized urban street flooding and even some brief flash flooding in these communities.

    Elsewhere, the steadiest rain swings through late afternoon into early evening. However, there's a later timeframe in central and eastern Maine.

    Additionally, an increasing southeast wind may gust at times 35 to 40 mph during the afternoon, which could result in very isolated power outages. Overnight, rain ships east and some fog will likely develop and need to burn off Wednesday morning. However, that will give way to sunshine with just a chance of late day and evening thunder in western New England.

    High temperatures will recover to the 80s inland and 70s to near 80 at the coast, where a sea breeze kicks up and halts the temperature rise. Warmth continues to build Thursday after morning fog burns off, with inland high temperatures 85 to 90 degrees and coastlines once again kept a bit cooler owing to a sea breeze.

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    We may finally shake the sea breeze Friday, carrying warmth all the way to the beaches with increasing humidity that eventually raises the chance of scattered showers and thunder Saturday and Sunday.

    A shot of slightly cooler and drier air starts next week, but it looks like summer warmth, humidity and associated scattered showers and thunder return to the forecast in time for July 4th, at the end of our exclusive First Alert 10-Day Forecast.

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