Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

Nashua - Boire Field Airport (KASH)

Lat: 42.78°NLon: 71.51°WElev: 180ft.

Fair

7°F

-14°C

Humidity	66%
Wind Speed	Calm
Barometer	30.29 in (1025.9 mb)
Dewpoint	-2°F (-19°C)
Visibility	10.00 mi
Last update	8 Dec 8:56 pm EST

More Information:

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

Extended Forecast for

2 Miles WNW North Chelmsford MA

Tonight
Low: 3 °F
Mostly Clear
Tuesday
High: 28 °F
Increasing
Clouds
Tuesday Night
Low: 21 °F
Chance Snow
Wednesday
High: 41 °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
then Chance
Snow

Detailed Forecast

Tonight

Mostly clear, with a low around 3. Calm wind.

Tuesday

Increasing clouds, with a high near 28. Calm wind becoming southwest around 6 mph in the morning.

Tuesday Night

A chance of snow before 4am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 21. South wind 5 to 7 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Wednesday

A chance of snow before 10am, then rain. High near 41. South wind around 7 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Wednesday Night

Rain likely, mainly before 3am. Mostly cloudy, with a low around 30. Southwest wind around 6 mph. Chance of precipitation is 70%.

Thursday

Mostly sunny, with a high near 38. West wind 6 to 9 mph, with gusts as high as 20 mph.

Thursday Night

Partly cloudy, with a low around 19. West wind around 6 mph.

Friday

Sunny, with a high near 32. West wind 6 to 9 mph, with gusts as high as 20 mph.

Friday Night

A chance of snow after 3am. Partly cloudy, with a low around 18. West wind 3 to 5 mph. Chance of precipitation is 30%.

Saturday

A chance of snow before 11am. Partly sunny, with a high near 32. West wind 5 to 8 mph. Chance of precipitation is 30%.