Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

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

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

64°F

18°C

Humidity 96%
Wind Speed W 3 mph
Barometer 30.15 in (1020.8 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 21 Aug 4:53 am EDT
Extended Forecast for

Nantucket MA

  • Today

    Today: Sunny, with a high near 76. Southwest wind 5 to 11 mph.

    Sunny

    High: 76 °F

  • Tonight

    Tonight: Mostly clear, with a low around 68. Southwest wind around 10 mph.

    Mostly Clear

    Low: 68 °F

  • Tuesday

    Tuesday: Patchy fog after 5pm.  Otherwise, partly sunny, with a high near 79. Southwest wind 11 to 16 mph.

    Partly Sunny
    then Patchy
    Fog

    High: 79 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms, mainly after 3am. Some of the storms could produce heavy rain.  Patchy fog before 9pm.  Otherwise, mostly cloudy, with a low around 69. Breezy, with a south wind 17 to 21 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain
    and Patchy
    Fog then
    Heavy Rain
    and Breezy

    Low: 69 °F

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 5pm. Some of the storms could produce heavy rain.  Cloudy, with a high near 76. Southwest wind 13 to 18 mph.  Chance of precipitation is 60%.

    Heavy Rain

    High: 76 °F

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 65. Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 65 °F

  • Thursday

    Thursday: Sunny, with a high near 73.

    Sunny

    High: 73 °F

  • Thursday
    Night

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

    Mostly Clear

    Low: 63 °F

  • Friday

    Friday: Sunny, with a high near 72.

    Sunny

    High: 72 °F

Detailed Forecast

Today
Sunny, with a high near 76. Southwest wind 5 to 11 mph.
Tonight
Mostly clear, with a low around 68. Southwest wind around 10 mph.
Tuesday
Patchy fog after 5pm. Otherwise, partly sunny, with a high near 79. Southwest wind 11 to 16 mph.
Tuesday Night
A chance of showers and thunderstorms, mainly after 3am. Some of the storms could produce heavy rain. Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 69. Breezy, with a south wind 17 to 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms, mainly between 1pm and 5pm. Some of the storms could produce heavy rain. Cloudy, with a high near 76. Southwest wind 13 to 18 mph. Chance of precipitation is 60%.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 65. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 63.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 71.
Click Map For Forecast
Point Forecast:
Nantucket MA
 41.28°N 70.09°W (Elev. 3 ft)
3:25 am EDT Aug 21, 2017
4am EDT Aug 21, 2017-6pm EDT Aug 27, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database