Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics
Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >
| NWS Forecast for: Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound (GMZ031) Issued by: National Weather Service Key West, FL Last Update: 434 PM EDT Mon Aug 31 2026 | |
Tonight: Northeast winds near 5 knots, becoming east and increasing to 5 to 10 knots. Bay waters smooth, becoming smooth to a light chop. A chance of showers and thunderstorms. Tuesday: East to southeast winds near 5 knots. Bay waters smooth. A chance of showers and thunderstorms. Tuesday Night: East winds 5 to 10 knots. Bay waters smooth to a light chop. A chance of showers and thunderstorms. Wednesday: East to southeast winds near 5 knots. Bay waters smooth. Showers likely with a chance of thunderstorms. Wednesday Night: East winds 5 to 10 knots. Bay waters smooth to a light chop. Showers likely with a chance of thunderstorms. Thursday: East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. Showers likely with a chance of thunderstorms. Thursday Night: East to southeast winds 10 to 15 knots. Bay waters a light to moderate chop. Showers and thunderstorms likely. Friday: Southeast winds 5 to 10 knots. Bay waters smooth to a light chop. A chance of showers and thunderstorms. Friday Night: East to southeast winds 5 to 10 knots. Bay waters smooth to a light chop. A chance of showers and thunderstorms. Saturday: Southeast winds near 5 knots. Bay waters smooth. showers and thunderstorms likely. Saturday Night: East to southeast winds near 5 knots. Bay waters smooth. A chance of showers and thunderstorms. | |
| Zone Forecast: Florida Bay including Barnes Sound, Blackwater Sound, and Buttonwood Sound (GMZ031) | |
Visit your local NWS office at: https://www.weather.gov/key |