
Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes
A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >
| NWS Forecast for: Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM (GMZ055) Issued by: National Weather Service Key West, FL Last Update: 420 PM EDT Mon Mar 30 2026 | |
Tonight: East winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. Wave detail: east 6 feet at 7 seconds. A slight chance of showers and thunderstorms. Tuesday: East winds near 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave detail: east 5 feet at 7 seconds. A chance of showers. Tuesday Night: East winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. A chance of showers. Wave detail: east 7 feet at 7 seconds. A chance of showers. Wednesday: East winds near 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers. Wednesday Night: East winds near 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers and thunderstorms. Thursday: East winds near 20 knots, increasing to 20 to 25 knots. Seas 5 to 8 feet, occasionally to 9 feet. A chance of showers with a slight chance of thunderstorms. Thursday Night: East winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. A chance of showers and thunderstorms. Friday And Friday Night: East winds 20 to 25 knots. Seas 6 to 9 feet, occasionally to 11 feet. A slight chance of showers and thunderstorms. Saturday: East winds near 20 knots, decreasing to 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers and thunderstorms. Saturday Night: East winds 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. A slight chance of showers. | |
| Zone Forecast: Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM (GMZ055) | |
Visit your local NWS office at: https://www.weather.gov/key |