Storms in the Plains; Heat Wave to Begin in the Northern Tier

A slow moving weather system will bring potential for scattered strong to severe storms with damaging wind and hail with areas of locally heavy rain in the South and Central Plains through Monday. A heat wave is expected to begin across the Northern Plains, Upper Midwest, and northern Great Basin with temperatures reaching over 20 degrees above normal in some areas. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

53°F

12°C

Humidity 66%
Wind Speed W 5 mph
Barometer 30.23 in (1023.7 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 16 May 3:56 am EDT
Extended Forecast for

Islip NY

  • Today

    Today: Partly sunny, with a high near 70. Light southwest wind becoming south 5 to 10 mph in the morning.

    Partly Sunny

    High: 70 °F

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 52. Southwest wind around 5 mph becoming calm  after midnight.

    Decreasing
    Clouds

    Low: 52 °F

  • Monday

    Monday: Sunny, with a high near 70. Calm wind becoming south 5 to 9 mph in the afternoon.

    Sunny

    High: 70 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 53. Southwest wind 3 to 6 mph.

    Mostly Clear

    Low: 53 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 71. Light west wind becoming southwest 5 to 10 mph in the morning.

    Mostly Sunny

    High: 71 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 56.

    Mostly Clear

    Low: 56 °F

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    Sunny

    High: 77 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 59.

    Mostly Clear

    Low: 59 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    Mostly Sunny

    High: 77 °F

Detailed Forecast

Today
Partly sunny, with a high near 70. Light southwest wind becoming south 5 to 10 mph in the morning.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 52. Southwest wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 70. Calm wind becoming south 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 53. Southwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 71. Light west wind becoming southwest 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 76.
Friday Night
Mostly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 78.
Click Map For Forecast
Point Forecast:
Islip NY
 40.73°N 73.22°W (Elev. 7 ft)
3:53 am EDT May 16, 2021
4am EDT May 16, 2021-6pm EDT May 22, 2021
 
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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