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Saturday, Aug 18, 2018
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Thick humidity fuels sweltering conditions, increasing rain chances for Tampa Bay

Scattered showers and thunderstorms are expected to pick up throughout Tampa Bay on Tuesday afternoon, along with continued blistering sunshine and high humidity.

An increased chance of rain, around 60 percent, will continue throughout the week. A high pressure system that pushed south continues to flow air in a western pattern, drawing storms from the Gulf of Mexico, according to the National Weather Service.

EXTENDED FORECAST: The 10-day outlook for the Tampa Bay area

Highs on Tuesday will reach 90, but thick humidity will raise the heat index to nearly 101. Light scattered showers popped up over the Gulf of Mexico on Tuesday morning with few reaching more than a few miles inland.

By this afternoon, larger storms are expected to arrive over Tampa Bay with more frequent lightning as the afternoon heat collides with the coastal breeze, forecasters said.

Overnight temperatures will drop back down to 79, but persistent humidity will make temperatures feel like 90 under partly cloudy skies after the evening storms dry up.

Wednesday is expected to be more of the same, as rain chances continue at 60 percent. Highs again will be in the upper 80s with persistent muggy conditions.

The rest of the week will continue seeing a higher chance of rain until the second half of the weekend, forecasters said, and no tropical activity is expected through the weekend.

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