Heavy Rains and Severe Weather Expected Across the Southern Plains into the Ohio Valley

A nearly stationary frontal boundary will bring potential for heavy rainfall and flash flooding from Oklahoma into the Ohio River Valley over the next few days. Severe weather is also expected for parts the Southern Plains and the Lower Mississippi River Valley on Thursday and Friday with threats of tornadoes, strong winds and hail. Snow is expected for parts of the Cascades and Northern Rockies. Read More >

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Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fog/Mist

47°F

8°C

Humidity	100%
Wind Speed	SW 9 mph
Barometer	30.12 in (1019.9 mb)
Dewpoint	47°F (8°C)
Visibility	0.75 mi
Wind Chill	43°F (6°C)
Last update	23 Mar 2:56 am EDT

More Information:

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

Extended Forecast for

Islip Terrace NY

Today

Chance
Showers and
Patchy Fog
High: 58 °F
Tonight

Chance
Showers
Low: 42 °F
Friday

Slight Chance
Showers
High: 51 °F
Friday
Night

Mostly Cloudy
then Chance
Showers
Low: 38 °F
Saturday

Showers and
Breezy
High: 49 °F
Saturday
Night

Showers
Likely and
Breezy
Low: 42 °F
Sunday

Mostly Sunny
then Sunny
and Breezy
High: 57 °F
Sunday
Night

Mostly Clear
Low: 38 °F
Monday

Partly Sunny
High: 52 °F

Detailed Forecast

Today

A 50 percent chance of showers after 11am. Patchy fog before 9am. Otherwise, cloudy, with a high near 58. Southwest wind 7 to 14 mph.

Tonight

A 50 percent chance of showers before 2am. Mostly cloudy, with a low around 42. Southwest wind 11 to 13 mph becoming northwest after midnight.

Friday

A slight chance of showers between 8am and 2pm. Mostly cloudy, with a high near 51. North wind 7 to 10 mph. Chance of precipitation is 20%.

Friday Night

A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 38. Northwest wind 6 to 9 mph becoming northeast after midnight.

Saturday

Showers, mainly after 8am. High near 49. Breezy, with an east wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Saturday Night

Showers likely before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 42. Breezy. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

Sunday

Sunny, with a high near 57. Breezy.

Sunday Night

Mostly clear, with a low around 38.

Monday

Partly sunny, with a high near 52.

Monday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 37.

Tuesday

A 30 percent chance of rain. Mostly cloudy, with a high near 49.

Tuesday Night

Mostly cloudy, with a low around 34.