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Heavy Rain and Flooding in the Southern Plains to the Great Lakes

Several days of heavy rainfall will lead to flash flooding and river flooding from the Southern Plains to the Southern Great Lakes. A band of freezing rain is forecast across portions of the Southern Plains into the Middle Mississippi Valley. Read More >

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fog

45°F

7°C

Humidity 100%
Wind Speed SW 12 mph
Barometer 30.33 in (1027.2 mb)
Dewpoint 45°F (7°C)
Visibility 0.25 mi
Wind Chill39°F (4°C)
Last update 21 Feb 3:53 am EST
Extended Forecast for

Nantucket MA

Dense Fog Advisory until February 21, 01:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until February 21, 01:00pm

    NOW until
    1:00pm Wed

    Dense Fog Advisory

  • Overnight

    Overnight: A chance of drizzle.  Areas of dense fog.  Otherwise, cloudy, with a low around 44. Southwest wind around 15 mph.

    Chance
    Drizzle and
    Areas Dense
    Fog

    Low: 44 °F

  • Wednesday

    Wednesday: A chance of drizzle before 11am, then a chance of drizzle after 4pm.  Areas of dense fog.  Otherwise, cloudy, with a high near 52. Breezy, with a southwest wind 16 to 20 mph.

    Chance
    Drizzle and
    Areas Dense
    Fog

    High: 52 °F

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers before 4am.  Areas of fog before 1am.  Otherwise, cloudy, with a low around 40. Southwest wind 9 to 15 mph becoming north after midnight.  Chance of precipitation is 20%.

    Slight Chance
    Showers and
    Areas Fog

    Low: 40 °F

  • Thursday

    Thursday: Rain likely, mainly after 1pm.  Cloudy, with a high near 42. Northeast wind around 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Chance Rain
    then Rain
    Likely

    High: 42 °F

  • Thursday
    Night

    Thursday Night: A chance of rain, mixing with sleet after 8pm, then gradually ending.  Cloudy, with a low around 31. Northeast wind 11 to 13 mph.  Chance of precipitation is 50%.

    Chance
    Rain/Sleet
    then Mostly
    Cloudy

    Low: 31 °F

  • Friday

    Friday: Rain likely, mainly after 4pm.  Partly sunny, with a high near 43. Chance of precipitation is 60%.

    Slight Chance
    Rain then
    Rain Likely

    High: 43 °F

  • Friday
    Night

    Friday Night: Rain likely, mainly before 9pm.  Cloudy, with a low around 38. Chance of precipitation is 60%.

    Rain Likely

    Low: 38 °F

  • Saturday

    Saturday: Mostly cloudy, with a high near 43.

    Mostly Cloudy

    High: 43 °F

Detailed Forecast

Overnight
A chance of drizzle. Areas of dense fog. Otherwise, cloudy, with a low around 44. Southwest wind around 15 mph.
Wednesday
A chance of drizzle before 11am, then a chance of drizzle after 4pm. Areas of dense fog. Otherwise, cloudy, with a high near 52. Breezy, with a southwest wind 16 to 20 mph.
Wednesday Night
A slight chance of showers before 4am. Areas of fog before 1am. Otherwise, cloudy, with a low around 40. Southwest wind 9 to 15 mph becoming north after midnight. Chance of precipitation is 20%.
Thursday
Rain likely, mainly after 1pm. Cloudy, with a high near 42. Northeast wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of rain, mixing with sleet after 8pm, then gradually ending. Cloudy, with a low around 31. Northeast wind 11 to 13 mph. Chance of precipitation is 50%.
Friday
Rain likely, mainly after 4pm. Partly sunny, with a high near 43. Chance of precipitation is 60%.
Friday Night
Rain likely, mainly before 9pm. Cloudy, with a low around 38. Chance of precipitation is 60%.
Saturday
Mostly cloudy, with a high near 43.
Saturday Night
Rain likely, mainly after 3am. Cloudy, with a low around 37. Chance of precipitation is 60%.
Sunday
Rain. High near 44. Chance of precipitation is 80%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Sunny, with a high near 43.
Click Map For Forecast
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
3:58 am EST Feb 21, 2018
4am EST Feb 21, 2018-6pm EST Feb 27, 2018
 
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