Locally Heavy Rainfall and Flash Flooding Possible Over the Midwest & Southwest; Critical Fire Weather Conditions in the Great Basin

Monsoon moisture will result in locally heavy showers and thunderstorms over the Southwest U.S. through Sunday. Heavy rainfall will also impact parts of the Midwest. Meanwhile, critical fire weather conditions are expected for much of the Great Basin. Tropical Storm Humberto will remain well offshore the Southeast U.S., but rip currents and heavy surf are expected from Florida to the Carolinas. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

22°C

71°F

Humidity 96%
Wind Speed SW 11 km/h
Barometer 1021.1 mb (30.16 in)
Dewpoint 21°C (70°F)
Visibility 16 km
Last update 15 Sep 1:56 am EDT
Extended Forecast for

Hauppauge NY

  • Overnight

    Overnight: A 50 percent chance of showers.  Cloudy, with a low around 19. Southwest wind 11 to 13 km/h.

    Chance
    Showers

    Low: 19 °C

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 8am.  Cloudy through mid morning, then gradual clearing, with a high near 26. West wind 10 to 13 km/h.

    Chance
    Showers then
    Sunny

    High: 26 °C

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 17. Calm wind.

    Partly Cloudy

    Low: 17 °C

  • Monday

    Monday: A 20 percent chance of showers after 2pm.  Partly sunny, with a high near 26. Northwest wind 5 to 8 km/h becoming west in the morning.

    Partly Sunny
    then Slight
    Chance
    Showers

    High: 26 °C

  • Monday
    Night

    Monday Night: A 20 percent chance of showers before 9pm.  Partly cloudy, with a low around 14. North wind around 16 km/h.

    Slight Chance
    Showers then
    Partly Cloudy

    Low: 14 °C

  • Tuesday

    Tuesday: Sunny, with a high near 22.

    Sunny

    High: 22 °C

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 13.

    Mostly Clear

    Low: 13 °C

  • Wednesday

    Wednesday: Mostly sunny, with a high near 22.

    Mostly Sunny

    High: 22 °C

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 12.

    Partly Cloudy

    Low: 12 °C

Detailed Forecast

Overnight
A 50 percent chance of showers. Cloudy, with a low around 19. Southwest wind 11 to 13 km/h.
Sunday
A 30 percent chance of showers, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 26. West wind 10 to 13 km/h.
Sunday Night
Partly cloudy, with a low around 17. Calm wind.
Monday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 26. Northwest wind 5 to 8 km/h becoming west in the morning.
Monday Night
A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 14. North wind around 16 km/h.
Tuesday
Sunny, with a high near 22.
Tuesday Night
Mostly clear, with a low around 13.
Wednesday
Mostly sunny, with a high near 22.
Wednesday Night
Partly cloudy, with a low around 12.
Thursday
Mostly sunny, with a high near 22.
Thursday Night
Partly cloudy, with a low around 14.
Friday
Mostly sunny, with a high near 24.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Mostly sunny, with a high near 26.
Click Map For Forecast
Point Forecast:
Hauppauge NY
 40.82°N 73.2°W (Elev. 60 m)
11:50 pm EDT Sep 14, 2019
2am EDT Sep 15, 2019-6pm EDT Sep 21, 2019
 
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