Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

46°F

8°C

Humidity	89%
Wind Speed	Calm
Barometer	30.44 in (1031.0 mb)
Dewpoint	43°F (6°C)
Visibility	10.00 mi
Last update	11 Oct 7:56 am EDT

More Information:

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

Extended Forecast for

Dennis Port MA

Today
High: 62 °F
Increasing
Clouds
Tonight
Low: 54 °F
Heavy Rain
and Patchy
Fog
Columbus Day
High: 63 °F
Chance
Showers and
Patchy Fog
then Mostly
Cloudy
Monday Night
Low: 52 °F
Increasing
Clouds
Tuesday
High: 64 °F
Mostly Cloudy
Tuesday Night
Low: 56 °F
Chance
Showers
Wednesday
High: 67 °F
Chance
Showers then
Mostly Sunny
Wednesday Night
Low: 48 °F
Partly Cloudy
Thursday
High: 59 °F
Sunny

Detailed Forecast

Today

Increasing clouds, with a high near 62. Southeast wind 7 to 10 mph.

Tonight

Showers, with thunderstorms also possible after 5am. Some of the storms could produce heavy rainfall. Patchy fog. Low around 54. East wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Columbus Day

A chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and 10am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 63. North wind 11 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

Increasing clouds, with a low around 52. Calm wind becoming northeast 5 to 7 mph after midnight.

Tuesday

Mostly cloudy, with a high near 64. East wind 8 to 10 mph becoming southeast in the afternoon.

Tuesday Night

A slight chance of showers between 9pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 56. Southwest wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

Wednesday

A chance of showers before 9am. Partly sunny, with a high near 67. Southwest wind 11 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 30%.

Wednesday Night

Partly cloudy, with a low around 48. Northwest wind around 10 mph, with gusts as high as 20 mph.

Thursday

Sunny, with a high near 59. Northwest wind around 14 mph, with gusts as high as 24 mph.

Thursday Night

Partly cloudy, with a low around 47. North wind 6 to 8 mph.

Friday

A chance of showers. Mostly cloudy, with a high near 63. South wind 7 to 13 mph. Chance of precipitation is 30%.

Friday Night

Showers likely. Mostly cloudy, with a low around 50. South wind 13 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

Saturday

Showers likely. Mostly cloudy, with a high near 60. West wind around 17 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.