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

Severe Thunderstorms and Excessive Rainfall Threats Saturday in the Central U.S.

Multiple clusters of strong to severe thunderstorms may develop across parts of the southern Plains, ArkLaTex, and lower Mississippi Valley Saturday. Very large hail, greater than two-inches in diameter, is possible over central and northern Texas. Excessive rainfall from thunderstorms may bring areas of flooding to portions of the Plains, ArkLaTex, and the Midwest Saturday. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Light Rain

60°F

16°C

Humidity 93%
Wind Speed NW 3 mph
Barometer 29.72 in (1006.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 10 Jun 12:56 am EDT
Extended Forecast for

Port Jefferson NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 56. Northwest wind 3 to 5 mph.

    Mostly Cloudy

    Low: 56 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 74. West wind around 8 mph.

    Mostly Sunny

    High: 74 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 60. Southwest wind 5 to 8 mph.

    Partly Cloudy

    Low: 60 °F

  • Sunday

    Sunday: Partly sunny, with a high near 78. South wind 5 to 8 mph.

    Partly Sunny

    High: 78 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 63. South wind around 11 mph.

    Slight Chance
    Showers

    Low: 63 °F

  • Monday

    Monday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Showers
    Likely

    High: 73 °F

  • Monday
    Night

    Monday Night: Showers, mainly before 2am. Low around 63. Chance of precipitation is 80%.

    Showers

    Low: 63 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers before 2pm. Partly sunny, with a high near 77.

    Chance
    Showers

    High: 77 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers between 8pm and 2am. Partly cloudy, with a low around 60. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 60 °F

Detailed Forecast

Overnight
Mostly cloudy, with a low around 56. Northwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 74. West wind around 8 mph.
Saturday Night
Partly cloudy, with a low around 60. Southwest wind 5 to 8 mph.
Sunday
Partly sunny, with a high near 78. South wind 5 to 8 mph.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 63. South wind around 11 mph.
Monday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers, mainly before 2am. Low around 63. Chance of precipitation is 80%.
Tuesday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 77.
Tuesday Night
A chance of showers between 8pm and 2am. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers after 8am. Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 77.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 60.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 75.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Port Jefferson NY
 40.95°N 73.05°W (Elev. 151 ft)
Last Update:
10:21 pm EDT Jun 9, 2023
Forecast Valid:
1am EDT Jun 10, 2023-6pm EDT Jun 16, 2023
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation