Tuesday Thunderstorms Could Cause Flooding - NBC10 Boston

Tuesday Thunderstorms Could Cause Flooding

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    Sunny and Warm Monday

    Monday: Sunny, warm. Highs in the 80s.

    Overnight Monday: Clouding up, chance shower north and central. Lows around 70.

    Tuesday: Humid. Chance morning shower, pockets of afternoon rain and thunder. Highs near 80.

    (Published Monday, Aug. 12, 2019)

    An incredible Monday is brought to us by the winning combination of dry air and sunshine, teaming with a steady west and southwest breeze to boost temperatures into the middle 80s.

    A cold front is slowly approaching New England from the north and will bring scattered showers and thunder only to the far North Country of New England on Monday. Elsewhere, still well in advance of the cold front, warmth will continue building in and will be followed by increasingly humid air overnight Monday with building clouds and a mild night.

    On Tuesday, the humidity will be palpable for Central and Southern New England. This will allow morning showers in Northern and Central New England to slowly build into downpours and thunder Monday midday onward. Some of the torrential downpours will be fueled by tropical air, resulting into localized flooding and big puddles on roads.

    Given the potential for localized flooding and delays to the evening commute, we’ve hoisted a First Alert for Tuesday afternoon and evening.

    By Wednesday, expect shifting winds to lower the humidity and likely ship showers out very early in the day for a drier but cooler day.

    The cool air will stick around through the end of the week and while dry air will try to hang on, a slow-moving disturbance from the west will raise the chance of showers by late Thursday into Friday, particularly the farther west one is in New England.

    Summer lovers, fear not -- we expect a mid-summer redux to begin late this weekend and last through next week with temperatures into the 80s again in our exclusive First Alert 10-Day Forecast.

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