Heavy Rain and Flooding Predicted for Top US Vacation Spots

Severe weather systems are forecast to impact Hawaii and Florida during the week of April 7, 2026, bringing risks of flooding, torrential rainfall, and hazardous coastal conditions to both states.

Kona Storm Impacts in Hawaii

Forecasters indicate that Hawaii is facing its third major rainstorm in three weeks. The current system is a Kona storm, which the National Weather Service describes as a major weather producer in the region.

A Kona storm is a seasonal subtropical cyclone that brings moisture-rich, warmer winds from the south and southwest. These conditions often result in torrential rainfall, particularly on the leeward side of the islands, which is typically sheltered from trade winds.

The National Weather Service stated that this system is expected to draw deep tropical moisture northward over the state. This is projected to lead to an extended period of moderate to breezy southerly winds and increased chances for widespread rainfall.

AccuWeather has warned that the risk of mudslides and flash flooding will be high across the Hawaiian Islands. The current system is expected to create renewed flooding concerns from Tuesday, April 7, through the following weekend.

Recent precipitation levels in the region have been significant. A storm between March 19 and March 22 dropped 3 to 4 inches of rain in Honolulu. This followed an event from March 10 to March 15 that produced nearly 10 inches. Combined, those two storms resulted in rainfall nearly six times the historical average for Honolulu in March.

Storm Systems and Flooding in Florida

Florida is facing a different weather challenge as a slow-moving storm system moves across the Gulf of America. This system is already impacting South Texas with heavy rain and is expected to move east and eventually stall over Florida.

The Weather Prediction Center reports that the combination of instability over the Florida Peninsula and a moist tropical airmass will bring chances for thunderstorms and heavy rain. This has created a marginal risk for flash flooding and excessive rainfall in parts of the state.

According to the FOX Forecast Center, general rain totals are expected to be around 1 to 2 inches, though some popular locations, including Daytona Beach and Miami, could see totals between 3 and 5 inches. A Level 1 out of 4 flash flood threat was issued for Tuesday, April 7, and Wednesday, April 8.

While the rainfall poses a flooding risk, it may provide some relief to areas of Florida that have been enduring extreme drought.

Coastal Hazards and Travel Disruptions

The storm system in Florida is bringing more than just rain. Wind gusts of 30 to 40 mph are possible in the southern parts of the state through Thursday, April 9.

A rip current statement remains in effect for the entire week for the Treasure, Space, and First coasts, spanning from Port St. Lucie to Jacksonville. These hazardous water conditions have already resulted in a fatality among swimmers.

These weather events coincide with spring break travel, impacting thousands of visitors who traveled to southern locations expecting pleasant beach weather. The combination of mostly cloudy skies, looming thunderstorm threats, and flooding is expected to disrupt travel plans through Thursday, April 9.