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Sprawling Storm System Bringing Impactful Weather To Western and Central U.S. Through Midweek

A large storm system will extend from the West Coast to the Great Lakes during the next couple days bringing hazardous weather to many parts of the country. Heavy snow is expected in the higher terrain of the West, along with very strong winds. Snow and ice will disrupt travel in parts of the Midwest, and heavy rain could cause widespread flooding in the Mississippi Valley and Great Lakes. Read More >

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

31°F

-1°C

Humidity 76%
Wind Speed N 5 mph
Barometer 30.52 in (1033.4 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 18 Feb 9:56 pm EST
Extended Forecast for

Islip NY

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 34. Light and variable wind.

    Mostly Clear

    Low: 34 °F

  • Washington's
    Birthday

    Washington's Birthday: A 50 percent chance of rain, mainly after 3pm.  Increasing clouds, with a high near 48. South wind 6 to 11 mph.

    Mostly Sunny
    then Chance
    Rain

    High: 48 °F

  • Monday
    Night

    Monday Night: Rain likely, mainly before 9pm, then a chance of showers after midnight.  Patchy fog.  Otherwise, cloudy, with a steady temperature around 47. Southwest wind 9 to 11 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Rain Likely
    and Patchy
    Fog

    Low: 47 °F

  • Tuesday

    Tuesday: Patchy fog.  Otherwise, mostly cloudy, with a high near 55. Southwest wind 7 to 11 mph.

    Patchy Fog

    High: 55 °F

  • Tuesday
    Night

    Tuesday Night: Patchy fog.  Otherwise, mostly cloudy, with a steady temperature around 52. Southwest wind 6 to 10 mph.

    Patchy Fog

    Low: 52 °F

  • Wednesday

    Wednesday: Patchy fog before 3pm.  Otherwise, mostly cloudy, with a high near 58.

    Patchy Fog

    High: 58 °F

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers after midnight.  Patchy fog before midnight.  Otherwise, mostly cloudy, with a low around 45.

    Patchy Fog
    then Chance
    Showers

    Low: 45 °F

  • Thursday

    Thursday: A chance of showers before 9am, then a chance of rain after 9am.  Mostly cloudy, with a high near 48. Chance of precipitation is 50%.

    Chance
    Showers

    High: 48 °F

  • Thursday
    Night

    Thursday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 37.

    Chance Rain

    Low: 37 °F

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 34. Light and variable wind.
Washington's Birthday
A 50 percent chance of rain, mainly after 3pm. Increasing clouds, with a high near 48. South wind 6 to 11 mph.
Monday Night
Rain likely, mainly before 9pm, then a chance of showers after midnight. Patchy fog. Otherwise, cloudy, with a steady temperature around 47. Southwest wind 9 to 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Patchy fog. Otherwise, mostly cloudy, with a high near 55. Southwest wind 7 to 11 mph.
Tuesday Night
Patchy fog. Otherwise, mostly cloudy, with a steady temperature around 52. Southwest wind 6 to 10 mph.
Wednesday
Patchy fog before 3pm. Otherwise, mostly cloudy, with a high near 58.
Wednesday Night
A 30 percent chance of showers after midnight. Patchy fog before midnight. Otherwise, mostly cloudy, with a low around 45.
Thursday
A chance of showers before 9am, then a chance of rain after 9am. Mostly cloudy, with a high near 48. Chance of precipitation is 50%.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 37.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 44.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Saturday
A 40 percent chance of rain. Cloudy, with a high near 50.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 41.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 52.
Click Map For Forecast
Point Forecast:
Islip NY
 40.73°N 73.22°W (Elev. 7 ft)
9:36 pm EST Feb 18, 2018
10pm EST Feb 18, 2018-6pm EST Feb 25, 2018
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database