Showers and Storms in the East; Dangerously Hot and Dry in the West

A front will bring scattered showers and storms to portions of the Central and Eastern US. Severe storms are expected in parts of the Great Plains and Ozarks today. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Elevated wildfire conditions will develop across portions of the Northern/Central Plains and air quality issues will persist in the Northwest. Read More >

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

77°F

25°C

Humidity	96%
Wind Speed	SW 7 mph
Barometer	30.11 in (1019.5 mb)
Dewpoint	76°F (24°C)
Visibility	9.00 mi
Heat Index	78°F (26°C)
Last update	6 Aug 6:56 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Lake Ronkonkoma NY

Heat Advisory August 6, 11:00am until August 7, 08:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 88 °F
Mostly Sunny
Tonight
Low: 75 °F
Partly Cloudy
Friday
High: 89 °F
Sunny then
Slight Chance
Showers
Friday Night
Low: 74 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 89 °F
Mostly Sunny
Saturday Night
Low: 74 °F
Partly Cloudy
Sunday
High: 89 °F
Sunny
Sunday Night
Low: 73 °F
Mostly Clear
Monday
High: 89 °F
Sunny

Detailed Forecast

Today

Mostly sunny, with a high near 88. Heat index values as high as 100. Southwest wind 5 to 11 mph.

Tonight

Partly cloudy, with a low around 75. Southwest wind 5 to 9 mph.

Friday

A slight chance of showers between 2pm and 4pm. Partly sunny, then becoming sunny during the afternoon, with a high near 89. Heat index values as high as 102. Light southwest wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 20%.

Friday Night

A 50 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 74. Southwest wind 5 to 7 mph.

Saturday

Mostly sunny, with a high near 89. Southwest wind 6 to 10 mph.

Saturday Night

Partly cloudy, with a low around 74.

Sunday

Sunny, with a high near 89.

Sunday Night

Mostly clear, with a low around 73.

Monday

Sunny, with a high near 89.