Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Hyannis, Barnstable Municipal-Boardman Airport (KHYA)

Lat: 41.67°NLon: 70.27°WElev: 49ft.

Fair

26°F

-3°C

Humidity	44%
Wind Speed	N 14 G 30 mph
Barometer	30.17 in (1021.8 mb)
Dewpoint	7°F (-14°C)
Visibility	10.00 mi
Wind Chill	14°F (-10°C)
Last update	8 Dec 3:56 pm EST

More Information:

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

Extended Forecast for

East Dennis MA

Tonight
Low: 17 °F
Mostly Cloudy
Tuesday
High: 36 °F
Sunny
Tuesday Night
Low: 26 °F⇑
Chance
Rain/Snow
then Chance
Rain
Wednesday
High: 50 °F
Slight Chance
Rain then
Chance Rain
Wednesday Night
Low: 36 °F
Chance Rain
Thursday
High: 44 °F
Slight Chance
Rain then
Mostly Sunny
Thursday Night
Low: 26 °F
Partly Cloudy
Friday
High: 37 °F
Mostly Sunny
Friday Night
Low: 28 °F
Partly Cloudy
then Chance
Snow

Detailed Forecast

Tonight

Mostly cloudy, with a low around 17. North wind 8 to 14 mph.

Tuesday

Sunny, with a high near 36. Northwest wind 6 to 9 mph becoming south in the afternoon.

Tuesday Night

A slight chance of snow between 9pm and 10pm, then a chance of rain. Cloudy, with a temperature rising to around 40 by midnight. South wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Wednesday

A slight chance of rain before 8am, then a chance of rain after 11am. Mostly cloudy, with a high near 50. South wind 13 to 16 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

Wednesday Night

A chance of rain, mainly before 3am. Mostly cloudy, with a low around 36. Southwest wind 14 to 16 mph. Chance of precipitation is 50%.

Thursday

A slight chance of rain before noon. Mostly sunny, with a high near 44. West wind around 15 mph. Chance of precipitation is 20%.

Thursday Night

Partly cloudy, with a low around 26. West wind around 15 mph.

Friday

Mostly sunny, with a high near 37. West wind around 15 mph.

Friday Night

A chance of snow after midnight. Mostly cloudy, with a low around 28. West wind around 11 mph. Chance of precipitation is 30%.

Saturday

A chance of snow before 8am, then a chance of rain and snow between 8am and 10am, then a chance of rain after 10am. Partly sunny, with a high near 39. West wind 10 to 15 mph. Chance of precipitation is 50%.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 24. West wind around 16 mph. Chance of precipitation is 40%.

Sunday

A chance of snow. Mostly sunny, with a high near 34. West wind around 15 mph. Chance of precipitation is 30%.

Sunday Night

Partly cloudy, with a low around 22. Northwest wind around 15 mph.

Monday

Mostly sunny, with a high near 34. Northwest wind 11 to 15 mph.