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Severe Thunderstorms and Heavy Rain in Upper Midwest

A slow moving frontal boundary from the central Pains to the Upper Midwest will bring a potential for severe thunderstorms and heavy rain. Rain amounts of 1-3 inches, with locally heavier amounts can be expected. The threat of severe weather moves into the Ohio Valley and Northeast on Tuesday. Monsoon moisture continues to bring the threat of flash flooding to the Southwest and southern Rockies. Read More >

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

A Few Clouds

69°F

21°C

Humidity 70%
Wind Speed W 9 mph
Barometer 30.15 in (1020.9 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 21 Aug 5:54 am EDT
Extended Forecast for

Cambridge MA

  • Today

    Today: Sunny, with a high near 88. Light west wind becoming southwest 5 to 10 mph in the morning.

    Sunny

    High: 88 °F

  • Tonight

    Tonight: Mostly clear, with a low around 69. Southwest wind 7 to 10 mph.

    Mostly Clear

    Low: 69 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 89. Southwest wind 8 to 15 mph.

    Mostly Sunny

    High: 89 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Some of the storms could produce heavy rain.  Mostly cloudy, with a low around 72. Southwest wind 11 to 16 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    Low: 72 °F

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 1pm, then a slight chance of showers between 1pm and 2pm. Some of the storms could produce heavy rain.  Partly sunny, with a high near 84. West wind 6 to 9 mph.  Chance of precipitation is 60%.

    Heavy Rain
    then Chance
    Showers

    High: 84 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 63.

    Mostly Clear

    Low: 63 °F

  • Thursday

    Thursday: Sunny, with a high near 80.

    Sunny

    High: 80 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 60.

    Mostly Clear

    Low: 60 °F

  • Friday

    Friday: Sunny, with a high near 78.

    Sunny

    High: 78 °F

Detailed Forecast

Today
Sunny, with a high near 88. Light west wind becoming southwest 5 to 10 mph in the morning.
Tonight
Mostly clear, with a low around 69. Southwest wind 7 to 10 mph.
Tuesday
Mostly sunny, with a high near 89. Southwest wind 8 to 15 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 72. Southwest wind 11 to 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely before 1pm, then a slight chance of showers between 1pm and 2pm. Some of the storms could produce heavy rain. Partly sunny, with a high near 84. West wind 6 to 9 mph. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 60.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 77.
Click Map For Forecast
Point Forecast:
Cambridge MA
 42.37°N 71.13°W (Elev. 3 ft)
3:25 am EDT Aug 21, 2017
6am EDT Aug 21, 2017-6pm EDT Aug 27, 2017
 
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