Strong Coastal Storm to Produce Heavy Rain and Strong Winds Across the Northeast; Severe Thunderstorms will Develop across the Central and Southern Plains

A Nor’easter will impact the northeast with heavy rainfall, flash flooding, and strong winds through tonight. Meanwhile, scattered severe thunderstorms with large hail, damaging wind gusts and isolated tornadoes are forecast across parts of the southern and central Plains from late today through tonight. Critical fire weather conditions for southern portions of the High Plains this afternoon. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Rain Fog/Mist and Breezy

65°F

18°C

Humidity 97%
Wind Speed E 24 G 41 mph
Barometer 29.36 in (994.2 mb)
Dewpoint 64°F (18°C)
Visibility 2.00 mi
Last update 26 Oct 9:56 am EDT
Extended Forecast for

Islip, Long Island Mac Arthur Airport NY

Flash Flood Watch until October 26, 06:00pm
Wind Advisory October 26, 06:00pm until October 27, 12:00pm
Coastal Flood Advisory October 26, 12:00pm until October 26, 08:00pm
Click here for hazard details and duration
Flash Flood Watch
Wind Advisory
Coastal Flood Advisory
  •  
    Flash Flood Watch until October 26, 06:00pm

    NOW until
    6:00pm Tue

    Flash Flood Watch

  • Today

    Today: Rain and possibly a thunderstorm. Some of the storms could produce heavy rain.  Steady temperature around 62. East wind 16 to 18 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain

    High: 62 °F

  • Tonight

    Tonight: Rain, mainly before 4am.  Low around 52. Breezy, with a north wind 17 to 24 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Rain and
    Breezy

    Low: 52 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 7am.  Mostly cloudy, with a high near 61. Breezy, with a north wind 21 to 23 mph, with gusts as high as 37 mph.

    Breezy.
    Chance
    Showers then
    Mostly Cloudy

    High: 61 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 47. North wind 9 to 17 mph.

    Mostly Cloudy

    Low: 47 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 60. North wind 8 to 14 mph.

    Mostly Sunny

    High: 60 °F

  • Thursday
    Night

    Thursday Night: Mostly cloudy, with a low around 48.

    Mostly Cloudy

    Low: 48 °F

  • Friday

    Friday: Rain likely, mainly after 2pm.  Mostly cloudy, with a high near 61. Breezy.  Chance of precipitation is 60%.

    Chance Rain
    then Rain
    Likely and
    Breezy

    High: 61 °F

  • Friday
    Night

    Friday Night: Rain.  Low around 52. Breezy.  Chance of precipitation is 80%.

    Rain and
    Breezy

    Low: 52 °F

Detailed Forecast

Today
Rain and possibly a thunderstorm. Some of the storms could produce heavy rain. Steady temperature around 62. East wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tonight
Rain, mainly before 4am. Low around 52. Breezy, with a north wind 17 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
A 30 percent chance of showers, mainly before 7am. Mostly cloudy, with a high near 61. Breezy, with a north wind 21 to 23 mph, with gusts as high as 37 mph.
Wednesday Night
Mostly cloudy, with a low around 47. North wind 9 to 17 mph.
Thursday
Mostly sunny, with a high near 60. North wind 8 to 14 mph.
Thursday Night
Mostly cloudy, with a low around 48.
Friday
Rain likely, mainly after 2pm. Mostly cloudy, with a high near 61. Breezy. Chance of precipitation is 60%.
Friday Night
Rain. Low around 52. Breezy. Chance of precipitation is 80%.
Saturday
Rain likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 51.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 62.
Click Map For Forecast
Point Forecast:
Islip, Long Island Mac Arthur Airport NY
 40.81°N 73.11°W (Elev. 98 ft)
10:00 am EDT Oct 26, 2021
11am EDT Oct 26, 2021-6pm EDT Nov 1, 2021
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database