Excessive Heat From the Midwest to Northeast Today; Heavy Rainfall Threat Increasing Along the western Gulf Coast

Heat Advisories, and in some areas, Excessive Heat Warnings, continue today as hot temperatures and high humidity combine to create dangerous conditions. A slow-moving cold front from the Northeast to the northern Rockies will be the focus for potentially heavy rainfall this week, while tropical moisture moving into the western Gulf Coast will lead to an increased flash flood threat.
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Last Update: 314 PM EDT Mon Jun 18 2018

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Norton, MA Local Forecast Office

14NM N Hyannis MA

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING...

Synopsis: ANZ200-190815- 314 PM EDT Mon Jun 18 2018 .Synopsis for Massachusetts and Rhode Island coastal waters... A cold front will approach the waters into this evening, sweeping through overnight ahead of which there is the possibility of showers and thunderstorms, especially over the eastern waters. A weak wave of low pressure and wet weather is possible Wednesday night over the S waters, otherwise cooler and drier conditions beneath high pressure and northwesterly flow for the remainder of the week, while a warm front lifts north across the waters over the weekend. For information on possible hazardous weather beyond the 24-36 hour forecast period, please visit www.weather.gov/boston and follow the Current Hazards link above the map on the left. $$

Tonight
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. A chance of showers with a slight chance of tstms. Some tstms may produce gusty winds and heavy rainfall.
Tue
NW winds 10 to 15 kt with gusts up to 20 kt, becoming N 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 nm.
Tue Night
NW winds around 5 kt. Seas 1 foot or less.
Wed
W winds around 5 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft.
Wed Night
SW winds 10 to 15 kt, diminishing to 5 to 10 kt after midnight. Seas around 2 ft.
Thu
NW winds 5 to 10 kt, becoming NE in the afternoon. Seas 1 foot or less.
Thu Night
SE winds 5 to 10 kt, becoming W after midnight. Seas 1 foot or less.
Fri
SW winds 5 to 10 kt. Seas around 2 ft.
Fri Night
S winds 5 to 10 kt. Seas around 2 ft.
Sat
S winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft.
Sat Night
S winds around 10 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers. winds and seas higher in and near tstms. seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.
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Last Update: 314 PM EDT Mon Jun 18 2018
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