Dangerous Heat in the Northeast and Northwest U.S.; Areas of Excessive Rainfall In the Ohio Valley and Southwest

Dangerous heat will continue to impact portions of the Northwest and Northeast U.S. through this evening. Monsoon showers and thunderstorms may result in flash flooding and debris flows from the Four Corners region into the Great Basin this week. A slow moving cold front will bring heavy thunderstorms which may produce excessive rainfall over the Ohio Valley and Mid-Atlantic through Wednesday. Read More >

Hazardous Weather Conditions

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Current conditions at

Marthas Vineyard Airport (KMVY)

Lat: 41.39°NLon: 70.62°WElev: 59ft.

Partly Cloudy

80°F

27°C

Humidity	87%
Wind Speed	SW 12 mph
Barometer	29.90 in (1012.2 mb)
Dewpoint	76°F (24°C)
Visibility	9.00 mi
Heat Index	85°F (29°C)
Last update	9 Aug 5:53 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Mobile Weather Hourly Weather Forecast

Extended Forecast for

Marthas Vineyard Airport MA

Heat Advisory until August 9, 08:00pm

Click here for hazard details and duration

...

Heat Advisory until August 9, 08:00pm

NOW until
8:00pm Tue

Heat Advisory
Tonight

Showers
Likely then
Chance
Showers and
Patchy Fog
Low: 68 °F
Wednesday

Patchy Fog
then Partly
Sunny
High: 80 °F
Wednesday
Night

Chance
Showers
Low: 65 °F
Thursday

Chance
Showers
High: 80 °F
Thursday
Night

Chance
Showers
Low: 64 °F
Friday

Slight Chance
Showers then
Mostly Sunny
High: 82 °F
Friday
Night

Partly Cloudy
Low: 61 °F
Saturday

Sunny
High: 80 °F

Detailed Forecast

Tonight

Showers and thunderstorms likely, mainly before 1am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 68. Southwest wind 6 to 13 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Patchy fog before 9am. Otherwise, partly sunny, with a high near 80. Northeast wind around 8 mph.

Wednesday Night

A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 65. East wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

A chance of showers. Mostly cloudy, with a high near 80. East wind 3 to 6 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

Thursday Night

A chance of showers, mainly before 3am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 40%.

Friday

A slight chance of showers between 7am and 9am. Partly sunny, with a high near 82. North wind 9 to 11 mph. Chance of precipitation is 20%.

Friday Night

Partly cloudy, with a low around 61. North wind 3 to 7 mph.

Saturday

Sunny, with a high near 80. North wind around 11 mph.

Saturday Night

Mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm in the evening.

Sunday

Sunny, with a high near 83. West wind 5 to 10 mph becoming southwest in the afternoon.