Heavy Rain and Strong-to-Severe Thunderstorms from the Central Miss. Valley to the Mid-Atlantic

A slow-moving weather system in the eastern U.S. will focus showers and thunderstorms from the mid-Mississippi River Valley to the Mid-Atlantic on Thursday. Abundant moisture will allow occasionally heavy rainfall. Flash Flood Watches are in effect in these areas. Severe thunderstorms with damaging wind gusts and large hail will also be possible in this same area. Read More >

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Partly Cloudy

75°F

24°C

Humidity 74%
Wind Speed S 5 mph
Barometer 29.88 in (1011.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 27 Jul 11:54 pm EDT
Extended Forecast for

Watertown MA

  • Overnight

    Overnight: Clear, with a low around 66. Light west wind.

    Clear

    Low: 66 °F

  • Thursday

    Thursday: Isolated showers and thunderstorms after 2pm.  Increasing clouds, with a high near 92. South wind 5 to 9 mph.  Chance of precipitation is 20%.

    Sunny then
    Isolated
    T-storms

    High: 92 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms, mainly after 5am.  Mostly cloudy, with a low around 71. South wind 5 to 9 mph becoming light southwest  after midnight.  Chance of precipitation is 30%.

    Isolated
    T-storms then
    Chance
    Showers

    Low: 71 °F

  • Friday

    Friday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall.  Cloudy, with a high near 80. Calm wind becoming northeast around 6 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain

    High: 80 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms, mainly before 11pm.  Mostly cloudy, with a low around 65. North wind 5 to 7 mph.  Chance of precipitation is 50%.

    Chance
    Showers then
    Slight Chance
    T-storms

    Low: 65 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    Mostly Sunny

    High: 83 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 65.

    Partly Cloudy

    Low: 65 °F

  • Sunday

    Sunday: Partly sunny, with a high near 80.

    Partly Sunny

    High: 80 °F

  • Sunday
    Night

    Sunday Night: A chance of showers.  Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 64 °F

Detailed Forecast

Overnight
Clear, with a low around 66. Light west wind.
Thursday
Isolated showers and thunderstorms after 2pm. Increasing clouds, with a high near 92. South wind 5 to 9 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 71. South wind 5 to 9 mph becoming light southwest after midnight. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. Cloudy, with a high near 80. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
A chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 65. North wind 5 to 7 mph. Chance of precipitation is 50%.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Partly sunny, with a high near 80.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Monday
A chance of showers between 1pm and 3pm. Partly sunny, with a high near 80. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 87.
Click Map For Forecast
Point Forecast:
Watertown MA
 42.38°N 71.19°W (Elev. 98 ft)
9:25 pm EDT Jul 27, 2016
12am EDT Jul 28, 2016-6pm EDT Aug 2, 2016
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database