Dangerous Heat Building in the South; Severe Storms From Plains To MS Valley

Intensifying high pressure is producing dangerous heat and humidity in the south-central U.S. with heat indexes possibly exceeding 110. Triple digit heat will also continue for some western areas. Elsewhere, a front moving through the central U.S. may produce severe thunderstorms and heavy rainfall in parts of the Plains and MS Valley through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

63°F

17°C

Humidity 93%
Wind Speed Calm
Barometer 30.14 in (1020.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 20 Jul 3:56 am EDT
Extended Forecast for

Patchogue NY

  • Today

    Today: Sunny, with a high near 82. Light east wind becoming south 6 to 11 mph in the afternoon.

    Sunny

    High: 82 °F

  • Tonight

    Tonight: Mostly clear, with a low around 61. Southeast wind 3 to 6 mph.

    Mostly Clear

    Low: 61 °F

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after 5pm.  Partly sunny, with a high near 76. East wind 10 to 16 mph.

    Mostly Sunny
    then Chance
    Showers

    High: 76 °F

  • Saturday
    Night

    Saturday Night: Showers and thunderstorms likely, then rain and possibly a thunderstorm after 8pm. Some of the storms could produce gusty winds and heavy rain.  Low around 68. Breezy, with an east wind 18 to 20 mph.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    Heavy Rain
    and Breezy

    Low: 68 °F

  • Sunday

    Sunday: Rain likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Some of the storms could produce gusty winds and heavy rain.  Mostly cloudy, with a high near 80. Breezy, with a south wind 13 to 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Heavy Rain
    and Breezy

    High: 80 °F

  • Sunday
    Night

    Sunday Night: Showers likely.  Mostly cloudy, with a low around 73. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Showers
    Likely

    Low: 73 °F

  • Monday

    Monday: Showers likely, mainly before noon.  Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    Showers
    Likely

    High: 81 °F

  • Monday
    Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73.

    Chance
    Showers then
    Chance
    T-storms

    Low: 73 °F

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 82.

    Chance
    T-storms

    High: 82 °F

Detailed Forecast

Today
Sunny, with a high near 82. Light east wind becoming south 6 to 11 mph in the afternoon.
Tonight
Mostly clear, with a low around 61. Southeast wind 3 to 6 mph.
Saturday
A 30 percent chance of showers, mainly after 5pm. Partly sunny, with a high near 76. East wind 10 to 16 mph.
Saturday Night
Showers and thunderstorms likely, then rain and possibly a thunderstorm after 8pm. Some of the storms could produce gusty winds and heavy rain. Low around 68. Breezy, with an east wind 18 to 20 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Sunday
Rain likely and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms after 10am. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a high near 80. Breezy, with a south wind 13 to 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers likely, mainly before noon. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
Click Map For Forecast
Point Forecast:
Patchogue NY
 40.77°N 73°W (Elev. 43 ft)
3:49 am EDT Jul 20, 2018
4am EDT Jul 20, 2018-6pm EDT Jul 26, 2018
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database