National Weather Service Tampa Bay rain chances and high temperatures.
TAMPA BAY, Florida – The National Weather Service (NWS) Tampa Bay has issued a forecast for west Central Florida and Southwest Florida on Sunday, August 17, 2025, predicting widespread showers and thunderstorms with highs in the low to mid 90s across the region. Increased moisture will result in higher storm chances, and due to light winds aloft, storm motion will be slow, potentially leading to some localized flooding.
Heat indices will range from 104 to 108.
The forecast covers areas such as Tampa, St. Petersburg, Sarasota, and Fort Myers.
Today
Showers and thunderstorms likely. High near 93. Heat index values as high as 108. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Slow-moving storms may lead to localized flooding.
Tonight
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 78. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Monday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 94. Heat index values as high as 107. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely before 2am. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely, mainly after 2pm. Sunny, with a high near 93. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely before 8pm, then a slight chance of showers. Partly cloudy, with a low around 78. Light west wind. Chance of precipitation is 60%.
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