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Continuous Heavy Rainfall And Threat For Flooding Over The Western Gulf Coast And Midwest; Excessive Heat Widespread Across The Desert Southwest

A very slow moving disturbance will deliver continuous tropical heavy rainfall and flooding along the Texas Gulf Coast into Louisiana. Additional heavy rainfall will be possible across the Midwest and Ohio Valley, from a circulation and stalled frontal zone. Very hot temperatures exceeding 110 degrees are likely over southern California, Nevada and Arizona, which includes Las Vegas and Phoenix. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

76°F

24°C

Humidity 58%
Wind Speed SW 7 mph
Barometer 29.84 in (1010.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 20 Jun 2:56 pm EDT
Extended Forecast for

Lake Ronkonkoma NY

  • Tonight

    Tonight: A chance of showers, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rain.  Cloudy, with a low around 64. South wind 5 to 10 mph becoming light  after midnight.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    Low: 64 °F

  • Thursday

    Thursday: A 50 percent chance of showers, mainly before 10am.  Cloudy, then gradually becoming mostly sunny, with a high near 80. North wind 7 to 9 mph.

    Chance
    Showers then
    Mostly Sunny

    High: 80 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 60. East wind 6 to 8 mph.

    Mostly Clear

    Low: 60 °F

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 11am.  Increasing clouds, with a high near 77. East wind 9 to 11 mph.

    Slight Chance
    T-storms

    High: 77 °F

  • Friday
    Night

    Friday Night: A 40 percent chance of showers and thunderstorms.  Cloudy, with a low around 60. East wind 8 to 10 mph.

    Chance
    T-storms

    Low: 60 °F

  • Saturday

    Saturday: Showers and thunderstorms likely.  Cloudy, with a high near 76. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely

    High: 76 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 3am.  Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 66.

    Chance
    T-storms and
    Patchy Fog

    Low: 66 °F

  • Sunday

    Sunday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 83.

    Patchy Fog
    then Partly
    Sunny

    High: 83 °F

  • Sunday
    Night

    Sunday Night: Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 64.

    Mostly Cloudy
    then Patchy
    Fog

    Low: 64 °F

Detailed Forecast

Tonight
A chance of showers, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rain. Cloudy, with a low around 64. South wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A 50 percent chance of showers, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 80. North wind 7 to 9 mph.
Thursday Night
Mostly clear, with a low around 60. East wind 6 to 8 mph.
Friday
A 20 percent chance of showers and thunderstorms after 11am. Increasing clouds, with a high near 77. East wind 9 to 11 mph.
Friday Night
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 60. East wind 8 to 10 mph.
Saturday
Showers and thunderstorms likely. Cloudy, with a high near 76. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms before 3am. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 66.
Sunday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 83.
Sunday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 64.
Monday
A 30 percent chance of showers and thunderstorms. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 80.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Click Map For Forecast
Point Forecast:
Lake Ronkonkoma NY
 40.83°N 73.11°W (Elev. 98 ft)
12:23 pm EDT Jun 20, 2018
3pm EDT Jun 20, 2018-6pm EDT Jun 27, 2018
 
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Additional Resources

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