Heavy Rainfall, Flooding, And Severe Thunderstorm Threats From The Mid South To The Great Lakes Today And Tonight

A slow moving low pressure system and cold front will bring the potential for severe thunderstorms capable of producing damaging winds and isolated tornadoes from portions of the Mid South to the Midwest and Great Lakes today and tonight. Heavy rainfall could also lead to flooding concerns. The severe weather threat will shift to the Mid Atlantic and Northeast on Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Light Rain

65°F

18°C

Humidity 93%
Wind Speed SE 13 mph
Barometer 30.23 in (1023.6 mb)
Dewpoint 63°F (17°C)
Visibility 7.00 mi
Last update 25 Sep 6:54 pm EDT
Extended Forecast for

Cambridge MA

  • Tonight

    Tonight: Showers, mainly before 11pm. The rain could be heavy at times.  Areas of fog. Low around 64. South wind 7 to 11 mph, with gusts as high as 29 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Heavy Rain
    and Areas Fog
    then Chance
    Showers and
    Areas Fog

    Low: 64 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Areas of fog before 11am.  Otherwise, mostly cloudy, with a high near 77. South wind 8 to 13 mph, with gusts as high as 28 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers and
    Areas Fog

    High: 77 °F

  • Wednesday
    Night

    Wednesday Night: Showers and thunderstorms likely, mainly before midnight.  Areas of fog before midnight.  Otherwise, mostly cloudy, with a low around 57. Southwest wind 8 to 11 mph becoming northwest after midnight.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely and
    Areas Fog

    Low: 57 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 65. North wind 6 to 8 mph becoming northeast in the afternoon.

    Mostly Sunny

    High: 65 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 53. East wind around 5 mph becoming calm  in the evening.

    Mostly Cloudy

    Low: 53 °F

  • Friday

    Friday: Partly sunny, with a high near 67.

    Partly Sunny

    High: 67 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 55.

    Partly Cloudy

    Low: 55 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    Mostly Sunny

    High: 70 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 50.

    Mostly Clear

    Low: 50 °F

Detailed Forecast

Tonight
Showers, mainly before 11pm. The rain could be heavy at times. Areas of fog. Low around 64. South wind 7 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers and thunderstorms. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 77. South wind 8 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely, mainly before midnight. Areas of fog before midnight. Otherwise, mostly cloudy, with a low around 57. Southwest wind 8 to 11 mph becoming northwest after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 65. North wind 6 to 8 mph becoming northeast in the afternoon.
Thursday Night
Mostly cloudy, with a low around 53. East wind around 5 mph becoming calm in the evening.
Friday
Partly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 64.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Cambridge MA
 42.37°N 71.13°W (Elev. 3 ft)
3:39 pm EDT Sep 25, 2018
7pm EDT Sep 25, 2018-6pm EDT Oct 2, 2018
 
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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