Heavy rain and isolated severe storms in portions of the West. Severe Weather Possible in the Plains Saturday.

A storm system will bring rain and thunderstorms to much of the Intermountain West and northern High Plains. A few severe thunderstorms with large hail and damaging winds are possible from northeast California to Wyoming. Heavy rain could lead to flash flooding in some of the western states. Severe weather will be possible in the Plains Saturday.
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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast and Breezy

52°F

11°C

Humidity 80%
Wind Speed E 21 G 30 mph
Barometer 29.76 in (1007.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 6 May 3:56 pm EDT
Extended Forecast for

Stony Brook NY

Coastal Flood Advisory May 6, 10:00pm until May 7, 02:00am
Click here for hazard details and duration
...
  • This
    Afternoon

    This Afternoon: A chance of showers.  Cloudy, with a high near 53. East wind around 18 mph.  Chance of precipitation is 50%.

    Chance
    Showers

    High: 53 °F

  • Tonight

    Tonight: A chance of showers.  Patchy fog after midnight.  Otherwise, cloudy, with a low around 48. East wind 10 to 14 mph.  Chance of precipitation is 40%.

    Chance
    Showers and
    Patchy Fog

    Low: 48 °F

  • Saturday

    Saturday: A chance of showers.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 60. Northeast wind around 7 mph becoming southeast in the afternoon.  Chance of precipitation is 30%.

    Chance
    Showers and
    Patchy Fog

    High: 60 °F

  • Saturday
    Night

    Saturday Night: A chance of showers, mainly after midnight.  Mostly cloudy, with a low around 49. South wind 3 to 6 mph.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 49 °F

  • Sunday

    Sunday: A chance of showers before noon.  Partly sunny, with a high near 66. Southwest wind 10 to 17 mph becoming northwest in the afternoon.  Chance of precipitation is 30%.

    Chance
    Showers then
    Mostly Sunny

    High: 66 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 50.

    Partly Cloudy

    Low: 50 °F

  • Monday

    Monday: Mostly sunny, with a high near 68.

    Mostly Sunny

    High: 68 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 52.

    Partly Cloudy

    Low: 52 °F

  • Tuesday

    Tuesday: A chance of rain.  Partly sunny, with a high near 66. Chance of precipitation is 40%.

    Chance Rain

    High: 66 °F

Detailed Forecast

This Afternoon
A chance of showers. Cloudy, with a high near 53. East wind around 18 mph. Chance of precipitation is 50%.
Tonight
A chance of showers. Patchy fog after midnight. Otherwise, cloudy, with a low around 48. East wind 10 to 14 mph. Chance of precipitation is 40%.
Saturday
A chance of showers. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 60. Northeast wind around 7 mph becoming southeast in the afternoon. Chance of precipitation is 30%.
Saturday Night
A chance of showers, mainly after midnight. Mostly cloudy, with a low around 49. South wind 3 to 6 mph. Chance of precipitation is 30%.
Sunday
A chance of showers before noon. Partly sunny, with a high near 66. Southwest wind 10 to 17 mph becoming northwest in the afternoon. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
A chance of rain. Partly sunny, with a high near 66. Chance of precipitation is 40%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 61. Chance of precipitation is 50%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 64.
Thursday Night
Mostly cloudy, with a low around 51.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 65.
Click Map For Forecast
Point Forecast:
Stony Brook NY
 40.92°N 73.12°W (Elev. 112 ft)
3:39 pm EDT May 6, 2016
4pm EDT May 6, 2016-6pm EDT May 13, 2016
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database