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Severe Thunderstorm Threat Increasing This Week from the High Plains to Gulf Coast

A storm system will move from the Rockies to the East Coast during the next several days bringing a severe thunderstorm threat to many parts of the nation. On Thursday, large hail will be the main threat in the High Plains. By Friday a more widespread threat will develop in the ArkLaTex region where damaging winds, very large hail and tornadoes will be possible. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

31°F

-1°C

Humidity 26%
Wind Speed NW 14 mph
Barometer 30.57 in (1035.4 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 23 Mar 10:56 am EDT
Extended Forecast for

Stony Brook NY

  • Today

    Today: Sunny, with a high near 38. Wind chill values between 15 and 25. Northwest wind 11 to 13 mph.

    Sunny

    High: 38 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 26. West wind 5 to 8 mph becoming calm  after midnight.

    Partly Cloudy

    Low: 26 °F

  • Friday

    Friday: A 30 percent chance of rain, mainly between noon and 4pm.  Mostly cloudy, with a high near 45. Wind chill values between 20 and 30 early. Southwest wind 7 to 16 mph, with gusts as high as 28 mph.

    Mostly Cloudy
    then Chance
    Rain

    High: 45 °F

  • Friday
    Night

    Friday Night: A slight chance of rain or light rain before 7pm, then a slight chance of light rain between 7pm and 9pm.  Mostly cloudy, with a low around 42. Southwest wind 9 to 14 mph.  Chance of precipitation is 20%.

    Slight Chance
    Rain then
    Mostly Cloudy

    Low: 42 °F

  • Saturday

    Saturday: A 30 percent chance of light rain, mainly after 1pm.  Mostly cloudy, with a high near 56. Southwest wind around 7 mph.

    Chance Light
    Rain

    High: 56 °F

  • Saturday
    Night

    Saturday Night: Rain likely with a chance of light rain before 7pm, then rain likely after 7pm.  Cloudy, with a low around 40. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain Likely

    Low: 40 °F

  • Sunday

    Sunday: Rain likely.  Cloudy, with a high near 44. Chance of precipitation is 60%.

    Rain Likely

    High: 44 °F

  • Sunday
    Night

    Sunday Night: Rain likely.  Cloudy, with a low around 39. Chance of precipitation is 70%.

    Rain Likely

    Low: 39 °F

  • Monday

    Monday: Rain likely.  Cloudy, with a high near 50. Chance of precipitation is 60%.

    Rain Likely

    High: 50 °F

Detailed Forecast

Today
Sunny, with a high near 38. Wind chill values between 15 and 25. Northwest wind 11 to 13 mph.
Tonight
Partly cloudy, with a low around 26. West wind 5 to 8 mph becoming calm after midnight.
Friday
A 30 percent chance of rain, mainly between noon and 4pm. Mostly cloudy, with a high near 45. Wind chill values between 20 and 30 early. Southwest wind 7 to 16 mph, with gusts as high as 28 mph.
Friday Night
A slight chance of rain or light rain before 7pm, then a slight chance of light rain between 7pm and 9pm. Mostly cloudy, with a low around 42. Southwest wind 9 to 14 mph. Chance of precipitation is 20%.
Saturday
A 30 percent chance of light rain, mainly after 1pm. Mostly cloudy, with a high near 56. Southwest wind around 7 mph.
Saturday Night
Rain likely with a chance of light rain before 7pm, then rain likely after 7pm. Cloudy, with a low around 40. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain likely. Cloudy, with a high near 44. Chance of precipitation is 60%.
Sunday Night
Rain likely. Cloudy, with a low around 39. Chance of precipitation is 70%.
Monday
Rain likely. Cloudy, with a high near 50. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of rain before 1am. Mostly cloudy, with a low around 40.
Tuesday
A 30 percent chance of rain. Mostly cloudy, with a high near 49.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 51.
Click Map For Forecast
Point Forecast:
Stony Brook NY
 40.92°N 73.12°W (Elev. 112 ft)
7:31 am EDT Mar 23, 2017
11am EDT Mar 23, 2017-6pm EDT Mar 29, 2017
 
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Additional Resources

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Hourly Weather Forecast

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