Excessive Heat for the Southwest; Showers and Thunderstorms for Portions of the Plains and East Coast

Showers and thunderstorms are expected across the eastern two-thirds of the country today along and ahead of a cold front. Some of these storms may result in isolated incidences of severe weather, including flash flooding. Meanwhile, more records may be tied or broken as excessive heat across the California's Central Valley and much of the Desert Southwest continues. Read More >

Hazardous Weather Conditions

Dense Fog Advisory in effect from June 6, 07:29 PM EDT until June 7, 08:00 AM EDT

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Fog

61°F

16°C

Humidity	100%
Wind Speed	NE 9 mph
Barometer	29.54 in (1000.1 mb)
Dewpoint	61°F (16°C)
Visibility	0.25 mi
Last update	6 Jun 8:54 pm EDT

More Information:

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

Extended Forecast for

Chelsea MA

Dense Fog Advisory until June 7, 08:00am

Click here for hazard details and duration

Dense Fog Advisory

Dense Fog Advisory until June 7, 08:00am
NOW until 8:00am Fri
Dense Fog Advisory
Tonight
Low: 63 °F
Heavy Rain
and Areas
Dense Fog
Friday
High: 81 °F
Partly Sunny
then Slight
Chance
Showers
Friday Night
Low: 60 °F
Slight Chance
Showers then
Partly Cloudy
Saturday
High: 78 °F
Sunny then
Slight Chance
Showers
Saturday Night
Low: 61 °F
Partly Cloudy
Sunday
High: 76 °F
Showers
Likely
Sunday Night
Low: 58 °F
Partly Cloudy
Monday
High: 77 °F
Mostly Sunny

Detailed Forecast

Tonight

Showers and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a slight chance of showers after 2am. Some of the storms could produce heavy rainfall. Areas of dense fog before 3am. Low around 63. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

A slight chance of showers after 1pm. Mostly sunny, with a high near 81. Light and variable wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.

Friday Night

A slight chance of showers before 9pm. Partly cloudy, with a low around 60. Calm wind becoming west around 6 mph after midnight. Chance of precipitation is 20%.

Saturday

A slight chance of showers after 2pm. Mostly sunny, with a high near 78. West wind 8 to 14 mph. Chance of precipitation is 20%.

Saturday Night

Partly cloudy, with a low around 61. West wind 7 to 9 mph.

Sunday

Showers likely, mainly between 2pm and 3pm. Partly sunny, with a high near 76. West wind 9 to 13 mph. Chance of precipitation is 60%.

Sunday Night

Partly cloudy, with a low around 58. West wind around 7 mph.

Monday

Mostly sunny, with a high near 77. West wind 7 to 9 mph.

Monday Night

Partly cloudy, with a low around 56. West wind around 6 mph.