Major Winter Storm System Will Bring A Variety Of Impacts To The Central, Southern, And Eastern U.S. Through The Weekend

An impactful winter storm will track from the Plains to New England through Sunday, with bitter cold behind it. Heavy snow is likely from the Corn Belt to interior Northeast, with significant ice accumulations in the Ohio Valley and New England. Farther south, heavy rain could lead to flooding in the Tennessee Valley on Saturday, with isolated severe thunderstorms in the lower Mississippi Valley. Read More >

Hazardous Weather Conditions

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Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Overcast

35°F

2°C

Humidity	89%
Wind Speed	E 7 mph
Barometer	30.13 in (1020.5 mb)
Dewpoint	32°F (0°C)
Visibility	10.00 mi
Wind Chill	29°F (-2°C)
Last update	18 Jan 10:52 am EST

More Information:

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

Extended Forecast for

Chatham MA

Coastal Flood Watch January 20, 08:00am until January 20, 12:00pm

Click here for hazard details and duration

Coastal Flood Watch

Today

Chance
Rain/Snow
High: 39 °F
Tonight

Mostly Cloudy
Low: 28 °F
Saturday

Increasing
Clouds
High: 33 °F
Saturday
Night

Snow Likely
then
Rain/Snow and
Breezy
Low: 30 °F
Sunday

Heavy Rain
and Breezy
High: 46 °F
Sunday
Night

Blustery.
Wintry Mix
Likely then
Chance Snow
Low: 16 °F
M.L.King
Day

Chance Snow
Showers and
Blustery
High: 20 °F
Monday
Night

Mostly Cloudy
and Blustery
Low: 13 °F
Tuesday

Mostly Sunny
High: 31 °F

Detailed Forecast

Today

A chance of rain and snow before 1pm, then a slight chance of rain between 1pm and 2pm. Mostly cloudy, with a high near 39. East wind 8 to 11 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Mostly cloudy, with a low around 28. West wind 3 to 6 mph. Winds could gust as high as 21 mph.

Saturday

Increasing clouds, with a high near 33. North wind 7 to 11 mph, with gusts as high as 23 mph.

Saturday Night

Snow before 3am, then rain and snow between 3am and 4am, then rain after 4am. Low around 30. Breezy, with an east wind 10 to 15 mph increasing to 17 to 22 mph after midnight. Winds could gust as high as 47 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Sunday

Rain. The rain could be heavy at times. High near 46. Breezy, with a southeast wind 14 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 48 mph. Chance of precipitation is 100%.

Sunday Night

Rain and snow likely, possibly mixed with freezing rain before 8pm, then a chance of snow and freezing rain between 8pm and 10pm, then a chance of snow after 10pm. Cloudy, with a low around 16. Blustery, with a north wind 21 to 23 mph, with gusts as high as 43 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

M.L.King Day

A chance of snow showers. Cloudy, with a high near 20. Blustery, with a northwest wind 18 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 40%.

Monday Night

Mostly cloudy, with a low around 13. Blustery, with a northwest wind 20 to 22 mph, with gusts as high as 33 mph.

Tuesday

Mostly sunny, with a high near 31. Northwest wind 10 to 16 mph, with gusts as high as 30 mph.

Tuesday Night

A chance of snow showers after 4am. Partly cloudy, with a low around 27. Southwest wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

Wednesday

A chance of rain and snow showers. Mostly cloudy, with a high near 45. Breezy, with a southwest wind 13 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.

Wednesday Night

A chance of showers. Mostly cloudy, with a low around 36. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

Thursday

A chance of showers. Mostly cloudy, with a high near 42. South wind 11 to 13 mph becoming northeast in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 50%.