National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall and Flash Flood Threats From the Lower Mississippi Valley Into Ohio/Tennessee Valleys; Elevated to Critical Fire Concerns Out West

Heavy to excessive rainfall with flash flood concerns will be possible from the Lower Mississippi Valley into parts of the Ohio/Tennessee Valleys. Elevated to Critical Fire weather threats will persist across the Great Basin and central Rockies. Finally, Major to Record river flooding will continue in portions of the Midwest and across parts of North and South Carolina. Read More >

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

62°F

17°C

Humidity 60%
Wind Speed SW 7 mph
Barometer 30.25 in (1024.3 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 23 Sep 6:54 pm EDT
Extended Forecast for

Boston MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Light and variable wind becoming north 5 to 8 mph after midnight.

    Mostly Cloudy

    Low: 52 °F

  • Monday

    Monday: Mostly cloudy, with a high near 59. Northeast wind 14 to 16 mph, with gusts as high as 29 mph.

    Mostly Cloudy

    High: 59 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 54. East wind around 9 mph.

    Mostly Cloudy

    Low: 54 °F

  • Tuesday

    Tuesday: Rain, mainly after 8am. The rain could be heavy at times. Patchy fog after 2pm. High near 67. East wind 8 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Heavy Rain
    and Patchy
    Fog

    High: 67 °F

  • Tuesday
    Night

    Tuesday Night: Rain and possibly a thunderstorm before 8pm, then showers and possibly a thunderstorm, mainly after 8pm. Some of the storms could produce heavy rainfall. Patchy fog. Low around 65. South wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    Heavy Rain
    and Patchy
    Fog

    Low: 65 °F

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 79. Chance of precipitation is 50%.

    Chance
    Showers and
    Patchy Fog

    High: 79 °F

  • Wednesday
    Night

    Wednesday Night: A chance of showers before 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Chance
    Showers

    Low: 60 °F

  • Thursday

    Thursday: Partly sunny, with a high near 67.

    Partly Sunny

    High: 67 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 57.

    Mostly Cloudy

    Low: 57 °F

Detailed Forecast

Tonight
Mostly cloudy, with a low around 52. Light and variable wind becoming north 5 to 8 mph after midnight.
Monday
Mostly cloudy, with a high near 59. Northeast wind 14 to 16 mph, with gusts as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 54. East wind around 9 mph.
Tuesday
Rain, mainly after 8am. The rain could be heavy at times. Patchy fog after 2pm. High near 67. East wind 8 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
Rain and possibly a thunderstorm before 8pm, then showers and possibly a thunderstorm, mainly after 8pm. Some of the storms could produce heavy rainfall. Patchy fog. Low around 65. South wind 9 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Wednesday
A chance of showers and thunderstorms. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 79. Chance of precipitation is 50%.
Wednesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 67.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Partly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Mostly sunny, with a high near 66.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Boston MA
 42.36°N 71.07°W (Elev. 13 ft)
Last Update:
7:08 pm EDT Sep 23, 2018
Forecast Valid:
7pm EDT Sep 23, 2018-6pm EDT Sep 30, 2018
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation