Flooding is the dominant hazard at Big Cypress National Preserve, with 7 recorded flood events in the area alongside 2 flash floods — making standing and rising water the clearest threat families will face in the backcountry and at campsites. Thunderstorm wind, tornadoes, and lightning rounds out a weather profile that can shift fast, especially during Florida's summer wet season.
Before you set up camp, check the National Weather Service forecast for Collier County and identify the highest ground on your site map, since low-lying cypress strands can flood with little warning. Pack waterproof dry bags for sleeping gear and electronics rather than standard duffel bags, and keep your vehicle pointed outward so you can leave quickly if water rises overnight. If thunderstorms roll in — common here by early afternoon in summer — get off the water and away from isolated trees immediately, as the 2 lightning events recorded confirm the risk is real.
Top recorded hazards in Collier County
County dataFrom NOAA Storm Events (2024). Counts of recorded incidents — not all occurred at this park.
- Flood 7
- Thunderstorm Wind 3
- Tornado 3
- Funnel Cloud 2
- Flash Flood 2
- Lightning 2
Gear keyed to this park's risks
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About Big Cypress National Preserve
The freshwaters of the Big Cypress Swamp, essential to the health of the neighboring Everglades, support the rich marine estuaries along Florida's southwest coast. Conserving over 729,000 acres of this vast swamp, Big Cypress National Preserve contains a mixture of tropical and temperate plant communities that are home to diverse wildlife, including the Endangered Florida panther.
Weather
Big Cypress National Preserve experiences two predominant seasons- wet and dry. RAINY SEASON (May through October) While visiting during this season you may find daily afternoon thunderstorms, high humidity, temperatures in the mid-to-high 80s and a multitude of mosquitoes. DRY SEASON (November through April) Falling water levels within Big Cypress make this a pleasant time to hike, camp, and watch wildlife.