Snowy, Very Cold and Windy from the Northern Plains to Great Lakes; Critical Fire Weather in South Texas

Moderate to heavy lake effect snow is expected downwind of the Great Lakes, with the Chicago metro potentially receiving 6 to 12 inches of snowfall. A frigid airmass will bring very cold temperatures to the Central U.S. and Mississippi Valley today, migrating into the Eastern U.S. on Monday. Dry and windy weather will bring critical fire weather conditions to South Texas today. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Light Rain Fog/Mist

60°F

16°C

Humidity 90%
Wind Speed E 13 mph
Barometer 29.75 in (1007.3 mb)
Dewpoint 57°F (14°C)
Visibility 5.00 mi
Last update 9 Nov 2:56 pm EST
Extended Forecast for

East Islip NY

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm.  Cloudy, with a high near 61. East wind around 16 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 7pm, then areas of drizzle between 7pm and 4am, then rain after 4am.  Patchy fog between 7pm and 4am. Low around 50. Southeast wind 5 to 8 mph becoming west after midnight.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers and
    Patchy Fog

  • Monday

    Monday: Rain, mainly before 10am.  High near 59. Light west wind increasing to 11 to 16 mph in the morning. Winds could gust as high as 28 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Rain then
    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. Wind chill values between 20 and 25. West wind 14 to 16 mph, with gusts as high as 28 mph.

    Low: 32 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 44. Breezy, with a west wind 17 to 24 mph, with gusts as high as 38 mph.

    High: 44 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. Breezy.

    Low: 35 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Cloudy, with a high near 61. East wind around 16 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 7pm, then areas of drizzle between 7pm and 4am, then rain after 4am. Patchy fog between 7pm and 4am. Low around 50. Southeast wind 5 to 8 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Rain, mainly before 10am. High near 59. Light west wind increasing to 11 to 16 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Partly cloudy, with a low around 32. Wind chill values between 20 and 25. West wind 14 to 16 mph, with gusts as high as 28 mph.
Veterans Day
Mostly sunny, with a high near 44. Breezy, with a west wind 17 to 24 mph, with gusts as high as 38 mph.
Tuesday Night
Partly cloudy, with a low around 35. Breezy.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 37.
Friday
Mostly sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 34.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
East Islip NY
 40.73°N 73.19°W (Elev. 16 ft)
2:34 pm EST Nov 9, 2025
3pm EST Nov 9, 2025-6pm EST Nov 16, 2025
 
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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