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

Lawrence Municipal Airport (KLWM)

Lat: 42.71°NLon: 71.13°WElev: 135ft.

Fair

19°F

-7°C

Humidity	36%
Wind Speed	N 9 mph
Barometer	30.27 in (1025.3 mb)
Dewpoint	-4°F (-20°C)
Visibility	10.00 mi
Wind Chill	8°F (-13°C)
Last update	8 Dec 4:54 pm EST

More Information:

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

Extended Forecast for

Merrimac MA

Tonight
Low: 6 °F
Mostly Clear
Tuesday
High: 26 °F
Increasing
Clouds
Tuesday Night
Low: 21 °F
Chance Snow
Wednesday
High: 42 °F
Chance
Rain/Snow
then Rain
Wednesday Night
Low: 30 °F
Rain Likely
then Chance
Rain
Thursday
High: 38 °F
Mostly Sunny
Thursday Night
Low: 19 °F
Partly Cloudy
Friday
High: 32 °F
Sunny
Friday Night
Low: 18 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 6. Northwest wind 3 to 6 mph.

Tuesday

Increasing clouds, with a high near 26. Wind chill values as low as zero. Light and variable wind becoming south 5 to 7 mph in the morning.

Tuesday Night

A chance of snow, mainly between 8pm and 3am. Mostly cloudy, with a low around 21. South wind 7 to 9 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Wednesday

A chance of snow before 10am, then rain. High near 42. South wind 6 to 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Wednesday Night

Rain likely, mainly before 11pm. Mostly cloudy, with a low around 30. Southwest wind around 7 mph. Chance of precipitation is 70%.

Thursday

Mostly sunny, with a high near 38. West wind 7 to 10 mph, with gusts as high as 21 mph.

Thursday Night

Partly cloudy, with a low around 19. West wind around 7 mph.

Friday

Sunny, with a high near 32. West wind 7 to 10 mph, with gusts as high as 20 mph.

Friday Night

Partly cloudy, with a low around 18. West wind around 6 mph.

Saturday

A chance of snow before 1pm. Partly sunny, with a high near 33. West wind 6 to 8 mph. Chance of precipitation is 30%.