Heavy rain and flash flooding possible in portions of the Southwest this weekend

An upper-level low in the Southwest U.S. will act as a trigger for thunderstorms this weekend. The area of greatest concern is in New Mexico, southeast Utah and portions of southern Colorado. Storms will be slow moving and could bring several rounds of rain to the same areas. Rainfall amounts may exceed 3 inches in localized areas. Flash Flood Watches are in effect.
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Last Update: 332 AM HST Sun Aug 20 2017

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Honolulu, HI Local Forecast Office

9NM ESE Hawaiian Beaches HI

Marine Zone Forecast


Synopsis: PHZ100-210215- 332 AM HST Sun Aug 20 2017 .Synopsis for Hawaiian coastal waters... A surface high will remain far northeast of the area and weaken through Tuesday. A new surface high will build far north of the area on Monday. A low aloft will track southwest across the region today through Tuesday. $$

Today
East winds 15 knots. Wind waves 4 feet. Scattered showers.
Tonight
East winds 20 knots. Wind waves 5 feet. Showers likely.
Monday
East winds 15 knots. Wind waves 4 feet. Showers likely.
Monday Night
East winds 15 knots. Wind waves 4 feet. Showers likely.
Tuesday
East winds 15 knots. Wind waves 5 feet. Occasional showers in the morning, then showers likely in the afternoon.
Tuesday Night
East winds 15 knots. Wind waves 5 feet. Occasional showers.
Wednesday
East winds 15 knots. Wind waves 7 feet. Swell east 3 feet. Scattered showers.
Thursday
East winds 15 knots. Wind waves 6 feet. Swell east 3 feet. Scattered showers.
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Last Update: 332 AM HST Sun Aug 20 2017
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