Severe Weather and Heavy Rain Shifts Into East

A strong and organized storm system will progress from the Ohio and Tennessee Valleys into the East. Expect severe weather with damaging winds across the Mid-Atlantic and Southeast, while the excessive rain risk moves from the Ohio Valley into the Northeast. Also, heat builds in parts of Texas and a cold storm system will carve into the northern Rockies for possible higher elevation snowfall. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

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

Fog

70°F

21°C

Humidity	100%
Wind Speed	S 8 mph
Barometer	29.64 in (1003.5 mb)
Dewpoint	70°F (21°C)
Visibility	0.13 mi
Last update	20 Jun 10:56 am EDT

More Information:

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

Detailed forecast for

Southwest Suffolk

Today

Cloudy with a chance of showers. Patchy fog late this morning. Patchy fog this afternoon. A chance of thunderstorms this afternoon. Highs in the mid 70s. South winds 5 to 10 mph. Chance of rain 40 percent.

Tonight

A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Patchy fog. Lows in the mid 60s. Southwest winds 5 to 10 mph. Chance of rain 60 percent.

Friday

Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the upper 70s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

Friday Night

Partly cloudy in the evening, then clearing. Lows in the upper 50s. Northwest winds 10 to 15 mph. Gusts up to 25 mph in the evening.

Saturday

Sunny. Highs around 80. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Saturday Night

Mostly clear. Lows in the lower 60s.

Sunday

Sunny. Highs in the lower 80s.

Sunday Night

Mostly clear. Lows in the mid 60s.

Monday

Partly sunny. Highs in the upper 70s.