Tracking a Couple of Storm Systems Across the Country

Showers, along with a few strong to severe thunderstorms, are expected from the Great Lakes, New England and southward into the Ohio and Tennessee Valleys. In the wake of this system, a stronger storm is expected to track from the Pacific Northwest, Plains and through the Eastern U.S. this weekend. Strong winds, showers and a larger drop in temperatures are expected this weekend into Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fog

50°F

10°C

Humidity	96%
Wind Speed	Calm
Barometer	29.89 in (1012.1 mb)
Dewpoint	49°F (9°C)
Visibility	0.25 mi
Last update	9 Nov 3:56 am EST

More Information:

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

Extended Forecast for

Holtsville NY

Today
High: 61 °F
Slight Chance
Rain then
Rain Likely
Tonight
Low: 50 °F
Rain Likely
and Patchy
Fog
Monday
High: 57 °F
Chance
Showers
Monday Night
Low: 30 °F
Partly Cloudy
Veterans Day
High: 44 °F
Mostly Sunny
then Mostly
Sunny and
Breezy
Tuesday Night
Low: 35 °F
Partly Cloudy
Wednesday
High: 52 °F
Partly Sunny
Wednesday Night
Low: 40 °F
Partly Cloudy
Thursday
High: 53 °F
Mostly Sunny

Detailed Forecast

Today

Rain likely, mainly after 1pm. Mostly cloudy, with a high near 61. Southeast wind 6 to 13 mph. Chance of precipitation is 70%.

Tonight

Rain likely, mainly after 1am. Patchy fog between 11pm and 4am. Otherwise, cloudy, with a low around 50. East wind around 6 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday

A 50 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 57. Northwest wind 5 to 10 mph becoming northeast in the morning.

Monday Night

Partly cloudy, with a low around 30. Wind chill values between 20 and 25. West wind 8 to 10 mph, with gusts as high as 20 mph.

Veterans Day

Mostly sunny, with a high near 44. Breezy, with a west wind 14 to 20 mph, with gusts as high as 31 mph.

Tuesday Night

Partly cloudy, with a low around 35.

Wednesday

Partly sunny, with a high near 52.

Wednesday Night

Partly cloudy, with a low around 40.