Hot temperatures and critical fire weather conditions for portions of California; Flash Flood threat for parts of Texas

Critical fire weather conditions and unseasonably hot temperatures will be prevalent across parts of southern California early this week. Any fires that start in this area could quickly grow out of control; Red Flag Warnings and Heat Advisories are in effect. Meanwhile, heavy rain is forecast in parts of Texas through early Monday. Flash Flood Watches are in effect for portions of southwest Texas. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

56°F

13°C

Humidity 65%
Wind Speed E 9 mph
Barometer 30.21 in (1022.9 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 26 Sep 7:56 am EDT
Extended Forecast for

Holtsville NY

  • Today

    Today: Sunny, with a high near 71. East wind 7 to 13 mph becoming south in the afternoon.

    Sunny

    High: 71 °F

  • Tonight

    Tonight: Showers after 3am.  Low around 64. South wind 9 to 14 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Mostly Cloudy
    then Showers

    Low: 64 °F

  • Tuesday

    Tuesday: Showers before 11am.  High near 75. West wind 9 to 14 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Showers then
    Partly Sunny

    High: 75 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 57. Southwest wind 5 to 8 mph becoming calm  after midnight.

    Partly Cloudy

    Low: 57 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after noon.  Mostly sunny, with a high near 73. Northeast wind 7 to 10 mph.

    Chance
    Showers

    High: 73 °F

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers.  Mostly cloudy, with a low around 58.

    Chance
    Showers

    Low: 58 °F

  • Thursday

    Thursday: A 50 percent chance of showers.  Mostly cloudy, with a high near 70.

    Chance
    Showers

    High: 70 °F

  • Thursday
    Night

    Thursday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 59.

    Chance
    Showers

    Low: 59 °F

  • Friday

    Friday: A 40 percent chance of showers.  Mostly cloudy, with a high near 69.

    Chance
    Showers

    High: 69 °F

Detailed Forecast

Today
Sunny, with a high near 71. East wind 7 to 13 mph becoming south in the afternoon.
Tonight
Showers after 3am. Low around 64. South wind 9 to 14 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers before 11am. High near 75. West wind 9 to 14 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Partly cloudy, with a low around 57. Southwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
A 30 percent chance of showers, mainly after noon. Mostly sunny, with a high near 73. Northeast wind 7 to 10 mph.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 58.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 70.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 69.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 70.
Click Map For Forecast
Point Forecast:
Holtsville NY
 40.82°N 73.05°W (Elev. 112 ft)
7:16 am EDT Sep 26, 2016
8am EDT Sep 26, 2016-6pm EDT Oct 2, 2016
 
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