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

Last Update: 530 PM AST Sat Jun 23 2018

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San Juan, PR Local Forecast Office

25NM WNW San Juan PR

Marine Zone Forecast

...SMALL CRAFT SHOULD EXERCISE CAUTION...

Tonight
East winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 7 seconds. Scattered showers and isolated thunderstorms.
Sunday
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Isolated showers.
Sunday Night
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Isolated showers through the night.
Monday
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Isolated showers.
Monday Night
East winds 15 to 20 knots. Seas 4 to 6 feet with occasional seas up to 8 feet. Dominant period 7 seconds. Isolated showers.
Tuesday
East winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas up to 6 feet. Dominant period 7 seconds. Isolated showers.
Wednesday
East winds 10 to 15 knots. Seas 2 to 4 feet with occasional seas up to 5 feet. Dominant period 7 seconds. Isolated showers.
Thursday
East winds 10 to 15 knots. Seas 1 to 3 feet. Dominant period 7 seconds. Isolated showers.
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ABOUT THIS FORECAST

Last Update: 530 PM AST Sat Jun 23 2018
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