Severe Thunderstorms in the Ohio and Tennessee Valleys; Flash Flooding Possible in the Southwest

Scattered damaging winds, isolated severe hail, and a brief tornado or two are possible from the Upper Ohio to Tennessee Valleys during the late afternoon and evening. Across the Southwest, monsoonal moisture will continue to bring heavy rain and a threat for isolated to scattered flash flooding through Saturday. Read More >

Hazardous Weather Conditions

Severe Thunderstorm Watch in effect from September 6, 01:10 PM EDT until September 6, 08:00 PM EDT

Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Partly Cloudy

83°F

28°C

Humidity	65%
Wind Speed	S 14 G 22 mph
Barometer	29.91 in (1014.0 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	6 Sep 12:51 pm EDT

More Information:

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

Extended Forecast for

Lexington MA

Severe T-storm Watch until September 6, 08:00pm

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch until September 6, 08:00pm
NOW until 8:00pm Sat
Severe T-storm Watch
This Afternoon
High: 88 °F
Severe
Thunderstorms
Tonight
Low: 59 °F
Severe
Thunderstorms
then
Scattered
Showers
Sunday
High: 67 °F
Showers
Likely and
Patchy Fog
Sunday Night
Low: 52 °F
Slight Chance
Showers then
Partly Cloudy
Monday
High: 74 °F
Sunny
Monday Night
Low: 51 °F
Mostly Clear
Tuesday
High: 72 °F
Mostly Sunny
Tuesday Night
Low: 52 °F
Mostly Cloudy

Detailed Forecast

This Afternoon

Scattered showers and thunderstorms, mainly after 4pm. Some of the storms could be severe. Partly sunny, with a high near 88. South wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then scattered showers after 11pm. Some of the storms could be severe and produce heavy rainfall. Low around 59. West wind 5 to 11 mph becoming northwest in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Sunday

Showers likely and possibly a thunderstorm before noon, then a chance of showers. Patchy fog. Otherwise, mostly cloudy, with a high near 67. North wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

A slight chance of showers before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 52. West wind around 6 mph. Chance of precipitation is 20%.

Monday

Sunny, with a high near 74. West wind around 6 mph.

Monday Night

Mostly clear, with a low around 51. Light north wind.

Tuesday

Mostly sunny, with a high near 72. North wind 5 to 7 mph becoming east in the afternoon.

Tuesday Night

Mostly cloudy, with a low around 52. East wind 3 to 5 mph.

Wednesday

A chance of showers between 11am and noon. Partly sunny, with a high near 70. East wind around 6 mph. Chance of precipitation is 30%.

Wednesday Night

Partly cloudy, with a low around 53. Light and variable wind.