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

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Fair

58°F

14°C

Humidity	62%
Wind Speed	Vrbl 7 mph
Barometer	30.46 in (1031.6 mb)
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Last update	11 Oct 9:52 am EDT

More Information:

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

Extended Forecast for

Harwich Center MA

Today
High: 63 °F
Cloudy
Tonight
Low: 52 °F
Heavy Rain
and Patchy
Fog
Columbus Day
High: 63 °F
Chance
Showers and
Patchy Fog
then Mostly
Cloudy
Monday Night
Low: 50 °F
Increasing
Clouds
Tuesday
High: 65 °F
Mostly Cloudy
Tuesday Night
Low: 54 °F
Chance
Showers
Wednesday
High: 68 °F
Chance
Showers then
Mostly Sunny
Wednesday Night
Low: 46 °F
Partly Cloudy
Thursday
High: 60 °F
Sunny

Detailed Forecast

Today

Cloudy, with a high near 63. South wind around 9 mph.

Tonight

Showers, with thunderstorms also possible after 5am. Some of the storms could produce heavy rainfall. Patchy fog. Low around 52. East wind 7 to 10 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 8am, then a slight chance of showers between 8am and 10am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 63. North wind around 11 mph, with gusts as high as 21 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 50. Calm wind becoming northeast 5 to 7 mph after midnight.

Tuesday

Mostly cloudy, with a high near 65. Southeast wind 7 to 10 mph.

Tuesday Night

A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 54. Southwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

Wednesday

A chance of showers before 10am. Partly sunny, with a high near 68. Southwest wind 11 to 13 mph becoming northwest in the afternoon. Chance of precipitation is 30%.

Wednesday Night

Partly cloudy, with a low around 46. Northwest wind around 10 mph, with gusts as high as 20 mph.

Thursday

Sunny, with a high near 60. Northwest wind 13 to 15 mph.

Thursday Night

Partly cloudy, with a low around 45. North wind around 7 mph.

Friday

A chance of showers. Partly sunny, with a high near 64. South wind 7 to 13 mph. Chance of precipitation is 40%.

Friday Night

Showers likely. Mostly cloudy, with a low around 47. South wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

Saturday

Showers likely. Mostly cloudy, with a high near 61. West wind around 18 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.