Dual Storm Systems to Dump More Than 4 Inches of Rain in Key West, Other Cities

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Two massive storm systems are threatening to dump inches of rain in several low-lying areas on the East Coast this week, raising flood risk to dangerous highs.

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The National Weather Service has issued coastal flood warnings in 40 counties, representing 2.8 million Americans. While Key West is forecast to receive more than four inches of rain in the next 72 hours – the most of any city nationwide – the greatest coastal flood risk is along the farther north in cities like Virginia Beach and Newport News. A closer look at the data reveals the at-risk cities forecast to receive the most rain this week.

To determine the cities forecast to get the most rain this week, Climate Crisis 247 reviewed data on quantitative precipitation forecasts from the NOAA’s National Digital Forecast Database. Cities were ranked based on total forecast cumulative rainfall for the period September 17 to 19, 2025. Only cities with at least 25,000 residents under current coastal flood warnings, watches, or advisories from the National Weather Service were considered. Population data is from the U.S. Census Bureau.

25. Virginia Beach, VA

• Forecast cumulative rainfall, September 17-19: 1.8 inches
• Forecast average temperature, September 17-19: 70.8°F
• Population: 457,900

 

24. Miami, FL

• Forecast cumulative rainfall, September 17-19: 2.5 inches
• Forecast average temperature, September 17-19: 81.9°F
• Population: 443,665

 

23. Coral Gables, FL

• Forecast cumulative rainfall, September 17-19: 2.6 inches
• Forecast average temperature, September 17-19: 82.0°F
• Population: 49,696

 

22. Norfolk, VA

• Forecast cumulative rainfall, September 17-19: 2.6 inches
• Forecast average temperature, September 17-19: 70.8°F
• Population: 236,973

 

21. Homestead, FL

• Forecast cumulative rainfall, September 17-19: 2.7 inches
• Forecast average temperature, September 17-19: 80.4°F
• Population: 79,996

 

20. Chesapeake, VA

• Forecast cumulative rainfall, September 17-19: 2.7 inches
• Forecast average temperature, September 17-19: 70.0°F
• Population: 249,377

 

19. Tamiami, FL

• Forecast cumulative rainfall, September 17-19: 2.7 inches
• Forecast average temperature, September 17-19: 81.0°F
• Population: 52,851

 

18. Westchester, FL

• Forecast cumulative rainfall, September 17-19: 2.7 inches
• Forecast average temperature, September 17-19: 81.2°F
• Population: 53,765

 

17. Doral, FL

• Forecast cumulative rainfall, September 17-19: 2.8 inches
• Forecast average temperature, September 17-19: 81.5°F
• Population: 74,891

 

16. Leisure City, FL

• Forecast cumulative rainfall, September 17-19: 2.8 inches
• Forecast average temperature, September 17-19: 80.5°F
• Population: 27,033

 

15. Fountainebleau, FL

• Forecast cumulative rainfall, September 17-19: 2.8 inches
• Forecast average temperature, September 17-19: 81.2°F
• Population: 57,066

 

14. Princeton, FL

• Forecast cumulative rainfall, September 17-19: 2.8 inches
• Forecast average temperature, September 17-19: 80.5°F
• Population: 37,954

 

13. Kendall, FL

• Forecast cumulative rainfall, September 17-19: 2.8 inches
• Forecast average temperature, September 17-19: 81.0°F
• Population: 78,402

 

12. Richmond West, FL

• Forecast cumulative rainfall, September 17-19: 2.8 inches
• Forecast average temperature, September 17-19: 80.8°F
• Population: 36,964

 

11. Hampton, VA

• Forecast cumulative rainfall, September 17-19: 2.8 inches
• Forecast average temperature, September 17-19: 70.7°F
• Population: 137,217

 

10. Kendale Lakes, FL

• Forecast cumulative rainfall, September 17-19: 2.8 inches
• Forecast average temperature, September 17-19: 81.0°F
• Population: 52,661

 

9. The Hammocks, FL

• Forecast cumulative rainfall, September 17-19: 2.8 inches
• Forecast average temperature, September 17-19: 80.6°F
• Population: 59,843

 

8. North Miami Beach, FL

• Forecast cumulative rainfall, September 17-19: 2.8 inches
• Forecast average temperature, September 17-19: 81.2°F
• Population: 43,269

 

7. Aventura, FL

• Forecast cumulative rainfall, September 17-19: 2.9 inches
• Forecast average temperature, September 17-19: 81.5°F
• Population: 39,621

 

6. Portsmouth, VA

• Forecast cumulative rainfall, September 17-19: 2.9 inches
• Forecast average temperature, September 17-19: 70.5°F
• Population: 97,384

 

5. Miami Gardens, FL

• Forecast cumulative rainfall, September 17-19: 3.0 inches
• Forecast average temperature, September 17-19: 81.4°F
• Population: 111,618

 

4. Suffolk, VA

• Forecast cumulative rainfall, September 17-19: 3.0 inches
• Forecast average temperature, September 17-19: 68.9°F
• Population: 94,856

 

3. Ives Estates, FL

• Forecast cumulative rainfall, September 17-19: 3.0 inches
• Forecast average temperature, September 17-19: 81.2°F
• Population: 26,814

 

2. Newport News, VA

• Forecast cumulative rainfall, September 17-19: 3.1 inches
• Forecast average temperature, September 17-19: 70.2°F
• Population: 185,118

 

1. Key West, FL

• Forecast cumulative rainfall, September 17-19: 4.0 inches
• Forecast average temperature, September 17-19: 83.3°F
• Population: 26,078

 

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