Wet Weather in the Central Gulf Coast and Pacific Northwest; Critical Fire Weather Threat in the West

Locally heavy rainfall continue to bring flash flooding along the central Gulf Coast from southeast Louisiana to the Florida Panhandle. A strong cold front will bring heavy rain, winds, cooler temperatures, and possibly high elevation snow to the Northwest through the weekend. Widespread critical fire weather due to dry, gusty winds is forecast from the Great Basin into the northern Plains. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

81°F

27°C

Humidity 62%
Wind Speed NW 7 mph
Barometer 29.97 in (1014.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 18 Sep 5:56 pm EDT
Extended Forecast for

Islip NY

  • Tonight

    Tonight: A slight chance of showers between 8pm and 10pm.  Mostly clear, with a low around 64. North wind 3 to 8 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Mostly Clear

    Low: 64 °F

  • Sunday

    Sunday: Sunny, with a high near 76. North wind 7 to 10 mph.

    Sunny

    High: 76 °F

  • Sunday
    Night

    Sunday Night: Clear, with a low around 61. Calm wind.

    Clear

    Low: 61 °F

  • Monday

    Monday: Sunny, with a high near 73. Light east wind becoming southeast 5 to 10 mph in the morning.

    Sunny

    High: 73 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 61. East wind around 7 mph.

    Mostly Clear

    Low: 61 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73.

    Mostly Sunny

    High: 73 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 64.

    Mostly Cloudy

    Low: 64 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 75.

    Partly Sunny

    High: 75 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers after 8pm.  Mostly cloudy, with a low around 64.

    Chance
    Showers

    Low: 64 °F

Detailed Forecast

Tonight
A slight chance of showers between 8pm and 10pm. Mostly clear, with a low around 64. North wind 3 to 8 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 76. North wind 7 to 10 mph.
Sunday Night
Clear, with a low around 61. Calm wind.
Monday
Sunny, with a high near 73. Light east wind becoming southeast 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 61. East wind around 7 mph.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly cloudy, with a low around 64.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
A 50 percent chance of showers after 8pm. Mostly cloudy, with a low around 64.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 74.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 73.
Click Map For Forecast
Point Forecast:
Islip NY
 40.73°N 73.22°W (Elev. 7 ft)
5:42 pm EDT Sep 18, 2021
7pm EDT Sep 18, 2021-6pm EDT Sep 25, 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