Strong to Severe Thunderstorms, Heavy Rain, And Flash Flooding Across the Midwest

Strong to severe thunderstorms, heavy rain and flooding is possible from the Great Lakes to the south-central Plains, as a strong cold front pushes into the extended area. Meanwhile, well above average temperatures are very likely across the Northeastern quad of the country, including the Northeast, Mid-Atlantic, Great Lakes and Ohio Valley.
Read More...

Last Update: 428 AM EDT Sun Sep 22 2019

View Nearby Observations

For More Weather Information:

Key West, FL Local Forecast Office

7NM SE Molasses Reef Light FL

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT...
Synopsis: Strong northeast to east breezes will continue across the Florida Keys coastal waters today, between high pressure over the Southeast United States and lower pressure over the western Caribbean. The high pressure will gradually weaken tonight through Tuesday, allowing easterly breezes to slowly diminish. Gentle to moderate east breezes will prevail from Tuesday night through Thursday night, as weak high pressure lingers over the Florida peninsula.

The Approximate Shoreward Edge of the Gulf Stream as of September 21, 2019...

55 NM South of Dry Tortugas Light...on Loggerhead Key. 33 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 27 NM South of Sand Key Light...off Key West. 21 NM South of Looe Key...off Big Pine Key. 18 NM South of Sombrero Key Light...off Marathon. 21 NM Southeast of Alligator Reef Light...off Islamorada. 20 NM Southeast of Molasses Reef Light...off Key Largo. 13 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

Today
Northeast to east winds near 25 knots. Seas 7 to 11 feet. Widespread showers and isolated thunderstorms.
Tonight
Northeast to east winds 20 to 25 knots. Seas 6 to 10 feet. Numerous showers and isolated thunderstorms.
Monday
Northeast winds near 20 knots. Seas 5 to 8 feet. numerous showers and isolated thunderstorms.
Monday Night
Northeast winds near 20 knots, decreasing to 15 to 20 knots after midnight. Seas 4 to 7 feet. Scattered showers and isolated thunderstorms.
Tuesday
Northeast winds near 15 knots. Seas subsiding to 2 to 5 feet. Scattered showers and isolated thunderstorms.
Tuesday Night
Northeast to east winds 10 to 15 knots. Seas 2 to 3 feet. Isolated showers.
Wednesday
Northeast to east winds near 10 knots. Seas 1 to 3 feet. Isolated showers.
Wednesday Night
East winds 10 to 15 knots. Seas 2 to 3 feet. Isolated showers.
Thursday
East winds near 10 knots. Seas 1 to 2 feet. Isolated showers.
Thursday Night
East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered showers and isolated thunderstorms.
  Click Map For Detailed Forecast

ABOUT THIS FORECAST

Last Update: 428 AM EDT Sun Sep 22 2019
  Forecast Discussion
   

RADAR & SATELLITE IMAGES

Link to Local Radar Data Link to Satellite Data