Expanding Heat Wave; Locally Heavy Rain Shifts to Northeast

Oppressive temperatures and dangerous heat indices continue across the southern Plains and Lower Mississippi Valley, especially in Texas. The Excessive Heat expands to the Southwest, California and parts of Oregon starting Monday. Meanwhile, unsettled weather will persist over the East, as locally heavy to excessive rainfall shifts from the Mid-Atlantic to the Northeast.
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Hazardous Weather Conditions

Last Update: 406 AM AST Sun Jul 22 2018

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San Juan, PR Local Forecast Office

57NM SSW Mayaguez PR

Marine Zone Forecast


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

Last Update: 406 AM AST Sun Jul 22 2018
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