Flash Flood Risk in the Mid-Atlantic; Storms in the High Plains; Critical Fire Weather Threats in the West

Heavy rain and thunderstorms will pose a flash flood risk for the Mid-Atlantic. Severe thunderstorms are possible through Friday from the northern and central Plains to the Upper Midwest. Elevated and critical fire weather conditions with isolated dry thunderstorm potential across a large part of the West. Above average temperatures are expected in the Southern Plains and Northeast. Read More >

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Mostly Cloudy

91°F

33°C

Humidity 38%
Wind Speed W 8 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 12 Aug 2:54 pm EDT
Extended Forecast for

Chelsea MA

Heat Advisory until August 12, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 12, 08:00pm

    NOW until
    8:00pm Wed

    Heat Advisory

  • This
    Afternoon

    This Afternoon: Partly sunny, with a high near 91. Calm wind.

    Partly Sunny

    High: 91 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 71. Light and variable wind.

    Partly Cloudy

    Low: 71 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 83. Light and variable wind becoming east around 6 mph in the morning.

    Mostly Sunny

    High: 83 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 70. Calm wind.

    Mostly Cloudy

    Low: 70 °F

  • Friday

    Friday: Mostly sunny, with a high near 81. North wind 7 to 10 mph becoming east in the afternoon.

    Mostly Sunny

    High: 81 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 66. North wind 3 to 5 mph.

    Partly Cloudy

    Low: 66 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 77. East wind 6 to 8 mph, with gusts as high as 21 mph.

    Mostly Sunny

    High: 77 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 64. North wind 3 to 7 mph.

    Partly Cloudy

    Low: 64 °F

Detailed Forecast

This Afternoon
Partly sunny, with a high near 91. Calm wind.
Tonight
Partly cloudy, with a low around 71. Light and variable wind.
Thursday
Mostly sunny, with a high near 83. Light and variable wind becoming east around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 70. Calm wind.
Friday
Mostly sunny, with a high near 81. North wind 7 to 10 mph becoming east in the afternoon.
Friday Night
Partly cloudy, with a low around 66. North wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 77. East wind 6 to 8 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 64. North wind 3 to 7 mph.
Sunday
Partly sunny, with a high near 78. East wind 5 to 7 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 65. South wind 3 to 7 mph.
Monday
A chance of showers. Partly sunny, with a high near 80. South wind 3 to 7 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 67. Southwest wind 5 to 8 mph. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 85. West wind 3 to 5 mph.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 67. Southeast wind around 5 mph becoming west after midnight. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly sunny, with a high near 80.
Click Map For Forecast
Point Forecast:
Chelsea MA
 42.4°N 71.03°W (Elev. 49 ft)
1:23 pm EDT Aug 12, 2020
3pm EDT Aug 12, 2020-6pm EDT Aug 19, 2020
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database