Excessive Heat and Critical Fire Weather in the Southwest; Severe Weather Threats Increase Sunday in the Plains

Strong high pressure is keeping temperatures hot across much of the west and south, with excessive Heat in the desert southwest. These conditions are also producing critical fire weather threats in the Four Corners area and interior northern California. Severe thunderstorms are possible in the Plains, Mid-South, and Mid-Atlantic this weekend; with very large hail threats in the Plains Sunday.
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Hazardous Weather Conditions

For More Weather Information:

Key West, FL Local Forecast Office

10NM W Florida Bay FL

Marine Point Forecast

[NOTICE]
  • This
    Afternoon

    Isolated Thunderstorms

    Light Wind
    < 1ft

    High: 85 °F

  • Tonight

    Scattered Showers

    Light Wind
    < 1ft

    Low: 80 °F

  • Sunday

    Scattered Showers

    SE 10kt
    < 1ft

    High: 84 °F

  • Sunday
    Night

    Scattered Showers

    ESE 10kt
    < 1ft

    Low: 80 °F

  • Monday

    Scattered Showers

    ESE 10kt
    < 1ft

    High: 86 °F

  • Monday
    Night

    Scattered Showers

    Light Wind
    < 1ft

    Low: 80 °F

  • Tuesday

    Scattered Showers

    Light Wind
    < 1ft

    High: 88 °F

  • Tuesday
    Night

    Scattered Showers

    ESE 10kt
    < 1ft

    Low: 80 °F

  • Wednesday

    Scattered Showers

    E 10kt
    < 1ft

    High: 88 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 12:15 pm CDT Jun 23, 2018
Forecast Valid: 1pm CDT Jun 23, 2018-6pm CDT Jun 29, 2018

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Detailed Forecast


Synopsis: A ridge of high pressure will persist across the Straits of Florida today, before lifting slowly northward and weaken Sunday through Wednesday.

The Approximate Shoreward Edge of the Gulf Stream current, as of June 21.

28 NM South of Dry Tortugas Light, on Loggerhead Key. 55 NM South of Cosgrove Shoal Light, off the Marquesas Keys. 2 NM South of Sand Key Light, off Key West. 4 NM South of Looe Key, off Big Pine Key. 4 NM South of Sombrero Key Light, off Marathon. 2 NM Southeast of Alligator Reef Light, off Islamorada. 1 NM Southeast of Molasses Reef Light, off Key Largo. 1 NM East of Carysfort Reef Light, off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

This Afternoon
Variable winds 5 kt or less. Isolated showers and thunderstorms. Seas 1 ft or less.
Tonight
Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas 1 ft or less.
Sunday
NNE wind 5 to 10 kt becoming SE in the afternoon. Scattered showers and thunderstorms. Seas 1 ft or less.
Sunday Night
ESE wind 5 to 10 kt. Scattered showers and thunderstorms. Seas 1 ft or less.
Monday
ESE wind 5 to 10 kt becoming S in the afternoon. Scattered showers and thunderstorms. Seas 1 ft or less.
Monday Night
Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas 1 ft or less.
Tuesday
Variable winds 5 kt or less. Scattered showers and thunderstorms. Seas 1 ft or less.
Tuesday Night
ESE wind 5 to 10 kt. Scattered showers and thunderstorms. Seas 1 ft or less.
Wednesday
E wind 5 to 10 kt becoming SSE in the afternoon. Scattered showers and thunderstorms. Seas 1 ft or less.

*Notices:

  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.
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ABOUT THIS FORECAST

Point Forecast: 25.03°N 80.94°W
Last Update: 12:15 pm CDT Jun 23, 2018
Forecast Valid: 1pm CDT Jun 23, 2018-6pm CDT Jun 29, 2018
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