Severe Thunderstorms Possible for the Great Lakes into Ohio Valley; Heavy to Excessive Rainfall Over the Southern Plains

Severe thunderstorms will race along a cold front from the Upper Mississippi Valley into the Great Lakes and Ohio Valley with the main threat being damaging winds. The tail end of this front will possibly produce heavy to excessive rainfall across the southern Plains into the Lower Mississippi Valley through Saturday. Finally, Major-to-record river flooding continues across the Carolinas.
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Last Update: 931 PM HST Thu Sep 20 2018

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Honolulu, HI Local Forecast Office

23NM NE Kapalua HI

Marine Zone Forecast


Synopsis: PHZ100-212030- 931 PM HST Thu Sep 20 2018 .Synopsis for Hawaiian coastal waters... High pressure northeast of the state will keep a moderate to locally strong trade wind flow in place through Saturday. An area of low pressure is expected to develop several hundred miles northwest of Kauai over the weekend, and this should allow the winds to weaken and shift around to the southeast Sunday through early next week. $$

Rest Of Tonight
East winds 20 knots. Wind waves 7 feet. Scattered showers.
Friday
East winds 20 knots. Wind waves 6 feet. Scattered showers in the morning, then isolated showers in the afternoon.
Friday Night
East winds 20 knots. Wind waves 6 feet. Isolated showers.
Saturday
East winds 20 knots. Wind waves 6 feet. Isolated showers in the morning.
Saturday Night
East winds 15 knots. Wind waves 5 feet. Isolated showers in the evening, then scattered showers after midnight.
Sunday
East winds 15 knots. Wind waves 5 feet. Scattered showers in the morning, then isolated showers in the afternoon.
Sunday Night
East winds 15 knots. Wind waves 5 feet. Isolated showers.
Monday
Southeast winds 15 knots. Wind waves 5 feet. Isolated showers.
Tuesday
Southeast winds 10 knots. Wind waves 4 feet. Isolated showers.
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ABOUT THIS FORECAST

Last Update: 931 PM HST Thu Sep 20 2018
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