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Slight risk of severe on Wednesday

The NWS Storm Prediction Center in Norman, Oklahoma expects a slight risk of severe weather on Wednesday. Isolated reports of severe weather are possible in the Southeast and the Mississippi Valley. However, the greatest area of concern will be from the Southern Plains to the Upper Midwest. The primary threat for all areas will be large hail and damaging winds.
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Current Conditions

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Overcast

38°F

3°C

Humidity 86%
Wind Speed N 9 mph
Barometer 29.75 in (1007.3 mb)
Dewpoint 34°F (1°C)
Visibility 3.00 mi
Wind Chill 32°F (0°C)
Last update on 31 Mar 5:56 pm EDT

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°N Lon: 73.1°W Elev: 98ft.

For More Weather Information:

New York, NY Local Forecast Office

Holtsville NY

7 Day Forecast

  • Tonight

    Rain/Snow Chance for Measurable Precipitation 90%

    Rain/Snow

    Low: 31 °F

  • Wednesday

    Mostly Sunny

    Mostly
    Sunny

    High: 45 °F

  • Wednesday
    Night

    Mostly Clear

    Mostly
    Clear

    Low: 32 °F

  • Thursday

    Mostly Sunny

    Mostly
    Sunny

    High: 54 °F

  • Thursday
    Night

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 45 °F

  • Friday

    Showers Likely Chance for Measurable Precipitation 60%

    Showers
    Likely

    High: 56 °F

  • Friday
    Night

    Showers Likely Chance for Measurable Precipitation 60%

    Showers
    Likely

    Low: 44 °F

  • Saturday

    Chance Showers Chance for Measurable Precipitation 50%

    Chance
    Showers

    High: 52 °F

  • Saturday
    Night

    Mostly Clear

    Mostly
    Clear

    Low: 32 °F

Detailed Forecast

Tonight
Rain and snow before midnight, then a chance of snow between midnight and 3am. Low around 31. Wind chill values between 25 and 30. East wind 7 to 11 mph becoming north after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Mostly sunny, with a high near 45. Wind chill values between 25 and 35 early. Northwest wind 10 to 13 mph.
Wednesday Night
Mostly clear, with a low around 32. West wind around 6 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 54. Light south wind increasing to 12 to 17 mph in the morning.
Thursday Night
A slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 45. South wind 11 to 15 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 56. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 44. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 52. Chance of precipitation is 50%.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 48.
Monday Night
A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.

ABOUT THIS FORECAST

Point Forecast: Holtsville NY
 40.82°N 73.05°W
Last Update: 4:41 pm EDT Mar 31, 2015
Forecast Valid: 7pm EDT Mar 31, 2015-6pm EDT Apr 7, 2015
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