Monday, August 13, 2018
Tampa Bay Weather

Forecast: Tropical moisture dampens Airfest, weekend plans across Tampa Bay

ST. PETERSBURG — A deep wave of tropical moisture that’s moving through Tampa Bay from the south is making for a dreary outlook for folks hoping to enjoy some sunshine for this weekend’s MacDill AirFest and the long-awaited opening of Julian B. Lane Riverfront Park.

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

The unsettled weather will move slowly over the eastern Gulf through Sunday, according to the National Weather Service. The result is gray skies and a few light showers on Saturday — especially south of Tampa Bay — with rain chances at 30 percent and temperatures only reaching the mid-80s thanks to the thick cloud blanket.

Lows Saturday night will drop to near 70, with increased humidity, forecasters said.

LIVE RADAR: Interactive storm track, hourly outlooks, 10-day forecasts and weather alerts

As the system moves to the north, expect even more gloomy conditions on Sunday.

The chance for rain jumps to 70 percent, as Saturday’s lighter showers will strengthen into possible isolated evening thunderstorms carrying over into the morning. Those storms could produce locally heavy rain, and keep temperatures from struggling to reach 80.

Summertime conditions will remain intact into next week as a low-pressure system will work its way into the region, producing deep tropical moisture that should give the Tampa Bay area a much-needed soaking heading into next weekend — including those typical afternoon thunderstorms along the coast.

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