National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Fair

64°F

18°C

Humidity 75%
Wind Speed SW 6 mph
Barometer 29.86 in (1011.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 16 Jun 10:56 pm EDT
Extended Forecast for

3 Miles SSE East Moriches NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 60. Southwest wind 6 to 10 mph.

    Low: 60 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 72. Southeast wind 6 to 9 mph.

    High: 72 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 61. South wind around 7 mph.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 78. Breezy, with a south wind 15 to 22 mph, with gusts as high as 32 mph.

    High: 78 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 66. Breezy, with a west wind 11 to 21 mph.

    Low: 66 °F

    Chance
    Showers and
    Breezy then
    Partly Cloudy

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 60. Southwest wind 6 to 10 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 72. Southeast wind 6 to 9 mph.
Wednesday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 61. South wind around 7 mph.
Thursday
A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 78. Breezy, with a south wind 15 to 22 mph, with gusts as high as 32 mph.
Thursday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 66. Breezy, with a west wind 11 to 21 mph.
Juneteenth
Partly sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 63.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 69.
Monday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE East Moriches NY
 40.78°N 72.74°W (Elev. 0 ft)
Last Update:
3:07 pm EDT Jun 16, 2026
Forecast Valid:
11pm EDT Jun 16, 2026-6pm EDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation