Dangerous Heat Wave for the West; Severe Storms and Heavy Rain for Midwest and Plains

Severe storms and heavy rains are likely in the Upper Midwest and Plains through this evening. A long duration heat wave will build across the West through next week with excessive heat watches/warnings in effect from the Southwest to Northwest. TS Josephine is forecast to pass well north of Puerto Rico and the Virgin Islands while TS Kyle is forecast to move quickly away from land this weekend. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79° N Lon: 73.1° W Elev: 98 ft.

Partly Cloudy

70°F

21°C

Humidity	82%
Wind Speed	NE 6 mph
Barometer	29.97 in (1014.8 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Last update	14 Aug 11:56 pm EDT

More Information:

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

Detailed forecast for

Southwest Suffolk

Overnight

Partly cloudy. Lows in the upper 60s. Northeast winds 10 to 15 mph.

Saturday

Mostly sunny. Highs around 80. Northeast winds 10 to 15 mph with gusts up to 30 mph.

Saturday Night

Mostly cloudy. A slight chance of showers after midnight. Lows in the upper 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Sunday

Mostly cloudy with a 40 percent chance of rain. Highs in the upper 70s. Northeast winds 10 to 15 mph.

Sunday Night

Mostly cloudy with a 40 percent chance of rain. Lows in the mid 60s. Northeast winds 10 to 15 mph.

Monday

Mostly sunny. Highs in the upper 70s.

Monday Night

Partly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 30 percent.

Tuesday

Sunny. Highs in the lower 80s.

Tuesday Night

Mostly clear. Lows in the upper 60s.