Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley
A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. 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: 432 PM EDT Sun Mar 15 2026 | |
| Tonight: Southeast winds near 15 knots, increasing to southeast to south 15 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave detail: east 4 feet at 6 seconds. A chance of showers and thunderstorms. Monday: South winds near 15 knots, decreasing to 10 to 15 knots. Seas 2 to 3 feet. Wave detail: east to southeast 3 feet at 5 seconds. A chance of showers and thunderstorms. Monday Night: Southwest winds 10 to 15 knots, becoming west to northwest 15 to 20 knots late. Seas 1 to 3 feet, building to 2 to 4 feet. Wave detail: south to southwest 2 feet at 4 seconds and northeast to east 1 foot at 5 seconds. Showers likely with a chance of thunderstorms. Tuesday: North winds 15 to 20 knots, becoming north to northeast 20 to 25 knots. Seas 2 to 4 feet, occasionally to 5 feet, building to 4 to 7 feet, occasionally to 9 feet. A chance of showers and thunderstorms. Tuesday Night: North to northeast winds 20 to 25 knots. Seas 6 to 8 feet, occasionally to 10 feet. Showers likely with a chance of thunderstorms. Wednesday: Northeast winds near 20 knots. Seas 5 to 8 feet, occasionally to 10 feet. Showers likely with a chance of thunderstorms. Wednesday Night: North to northeast winds 20 to 25 knots. Seas 6 to 8 feet, occasionally to 10 feet. Showers likely with a slight chance of thunderstorms. Thursday: North to northeast winds 20 to 25 knots, decreasing to near 20 knots. Seas 6 to 8 feet, occasionally to 10 feet. A chance of showers with a slight chance of thunderstorms. Thursday Night: North to northeast winds near 20 knots. Seas 5 to 8 feet, occasionally to 10 feet. A chance of showers. Friday: North to northeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers. Friday Night: North to northeast winds near 15 knots. Seas 4 to 6 feet, occasionally to 8 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) | |
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