Threat Increases For Scattered Thunderstorms As Heat, Humidity Rise

It will be warmer, more humid, with an increased threat for scattered thunderstorms throughout the area on Sunday, Aug. 18.

A look at projected high temperatures from throughout the region on Sunday, Aug. 18.
Photo Credit: *AccuWeather.com*

A look at the unsettled weather pattern that will bring high humidity and thunderstorms.
Photo Credit: *AccuWeather.com*

Joe Lombardi

08/18/2019 10:22 a.m.

The high temperature will be in the mid to upper 80s under partly sunny skies, but the humidity will make it feel warmer. (For a look at projected high temperatures from throughout the region on Sunday, check the first image above.)

Isolated showers and thunderstorms are possible starting at around 3 p.m., with storms becoming more likely in the early evening Sunday.

The high temperature on Monday, Aug. 19 could hit or surpass the 90-degree mark on a mostly sunny day. Heat-index values (the combination of the humidity and the high temperature) will be between 95 and 100 degrees. A Heat Advisory is in effect until 8 p.m. Monday.

Expect pop-up showers and isolated storms from around 2 p.m. through around 11 p.m.

Tuesday, Aug. 20 will be partly sunny with a high temperature near 90 degrees and a 40 percent chance of showers and thunderstorms after 10 a.m.

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