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Series of storm systems to impact the west, severe weather and heavy rain in the south central and southeast U.S

Another round of heavy rain, mountain snow, strong winds, and potential travel impacts will be possible over portions of the western U.S over the next couple of days. Over the south central and southeast U.S, the threat for strong to severe thunderstorms capable of damaging winds, heavy rainfall, and potential flooding will continue into the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fog/Mist

33°F

1°C

Humidity 96%
Wind Speed Calm
Barometer 30.02 in (1016.7 mb)
Dewpoint 32°F (0°C)
Visibility 3.00 mi
Last update 19 Jan 6:56 am EST
Extended Forecast for

Ronkonkoma NY

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 50. Calm wind becoming northwest 5 to 8 mph in the morning.

    Gradual
    Clearing

    High: 50 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 32. North wind 5 to 8 mph.

    Partly Cloudy

    Low: 32 °F

  • Friday

    Friday: A 20 percent chance of rain after 3pm.  Partly sunny, with a high near 45. Wind chill values between 25 and 35 early. Light and variable wind becoming southeast around 5 mph in the afternoon.

    Mostly Sunny
    then Slight
    Chance Rain

    High: 45 °F

  • Friday
    Night

    Friday Night: Light rain likely, mainly before 10pm.  Cloudy, with a steady temperature around 40. Southeast wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Light Rain
    Likely then
    Slight Chance
    Light Rain

    Low: 40 °F

  • Saturday

    Saturday: Partly sunny, with a high near 51. Light southwest wind becoming west 5 to 9 mph in the morning.

    Partly Sunny

    High: 51 °F

  • Saturday
    Night

    Saturday Night: Increasing clouds, with a steady temperature around 43.

    Increasing
    Clouds

    Low: 43 °F

  • Sunday

    Sunday: A 40 percent chance of rain after noon.  Cloudy, with a high near 47.

    Cloudy then
    Chance Rain

    High: 47 °F

  • Sunday
    Night

    Sunday Night: Rain likely, mainly after 7pm.  Cloudy, with a low around 36. Windy.  Chance of precipitation is 70%.

    Rain Likely
    and Windy

    Low: 36 °F

  • Monday

    Monday: Rain. The rain could be heavy at times.  High near 46. Windy.  Chance of precipitation is 80%.

    Heavy Rain
    and Windy

    High: 46 °F

Detailed Forecast

Today
Cloudy through mid morning, then gradual clearing, with a high near 50. Calm wind becoming northwest 5 to 8 mph in the morning.
Tonight
Partly cloudy, with a low around 32. North wind 5 to 8 mph.
Friday
A 20 percent chance of rain after 3pm. Partly sunny, with a high near 45. Wind chill values between 25 and 35 early. Light and variable wind becoming southeast around 5 mph in the afternoon.
Friday Night
Light rain likely, mainly before 10pm. Cloudy, with a steady temperature around 40. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Partly sunny, with a high near 51. Light southwest wind becoming west 5 to 9 mph in the morning.
Saturday Night
Increasing clouds, with a steady temperature around 43.
Sunday
A 40 percent chance of rain after noon. Cloudy, with a high near 47.
Sunday Night
Rain likely, mainly after 7pm. Cloudy, with a low around 36. Windy. Chance of precipitation is 70%.
Monday
Rain. The rain could be heavy at times. High near 46. Windy. Chance of precipitation is 80%.
Monday Night
Rain. The rain could be heavy at times. Low around 39. Windy. Chance of precipitation is 80%.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 49.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 39.
Wednesday
Mostly sunny, with a high near 50.
Click Map For Forecast
Point Forecast:
Ronkonkoma NY
 40.81°N 73.11°W (Elev. 98 ft)
5:33 am EST Jan 19, 2017
7am EST Jan 19, 2017-6pm EST Jan 25, 2017
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database