Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Fair

31°F

-1°C

Humidity	72%
Wind Speed	SW 6 mph
Barometer	29.90 in (1014.2 mb)
Dewpoint	23°F (-5°C)
Visibility	10.00 mi
Wind Chill	25°F (-4°C)
Last update	7 Dec 11:51 pm EST

More Information:

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

Extended Forecast for

Waltham MA

Overnight
Low: 19 °F
Mostly Clear
Monday
High: 25 °F
Sunny
Monday Night
Low: 9 °F
Mostly Clear
Tuesday
High: 33 °F
Increasing
Clouds
Tuesday Night
Low: 26 °F
Chance Snow
Wednesday
High: 44 °F
Chance
Rain/Snow
then Rain
Likely
Wednesday Night
Low: 34 °F
Rain Likely
Thursday
High: 39 °F
Mostly Sunny
Thursday Night
Low: 24 °F
Mostly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 19. Northwest wind 6 to 9 mph.

Monday

Sunny, with a high near 25. Northwest wind 7 to 10 mph, with gusts as high as 22 mph.

Monday Night

Mostly clear, with a low around 9. Northwest wind around 5 mph becoming calm in the evening.

Tuesday

Increasing clouds, with a high near 33. Calm wind becoming south 5 to 7 mph in the afternoon.

Tuesday Night

A chance of snow before 4am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 26. Southwest wind around 7 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Wednesday

A chance of snow before 8am, then rain likely. Mostly cloudy, with a high near 44. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday Night

Rain likely, mainly before 7pm. Mostly cloudy, with a low around 34. Southwest wind around 8 mph. Chance of precipitation is 60%.

Thursday

Mostly sunny, with a high near 39. West wind 8 to 10 mph, with gusts as high as 20 mph.

Thursday Night

Mostly cloudy, with a low around 24. West wind around 6 mph.

Friday

A chance of snow after noon. Partly sunny, with a high near 34. West wind around 7 mph. Chance of precipitation is 30%.

Friday Night

A chance of snow. Mostly cloudy, with a low around 20. West wind around 6 mph. Chance of precipitation is 30%.

Saturday

A chance of snow. Partly sunny, with a high near 30. Northwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.