



Severe Thunderstorms, Excessive Rainfall and Critical Fire Weather Concerns
Showers and thunderstorms, some severe containing large hail, damaging wind gusts and perhaps a tornado will be possible across areas of the Plains, northern Rockies and Intermountain West through midweek; Rainfall could be locally heavy as well with the concern of flash flooding. Rainfall could also be heavy for the mid-Atlantic and Southeast this week. Critical fire weather for the Southwest. 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
64°F
18°C
Humidity | 54% |
Wind Speed | SE 10 mph |
Barometer | 30.19 in (1022.4 mb) |
Dewpoint | 47°F (8°C) |
Visibility | 10.00 mi |
Last update | 30 May 3:56 pm EDT |
Detailed forecast for
Northwest Suffolk
Tonight
Mostly clear this evening, then becoming mostly cloudy. Hazy this evening, then patchy fog after midnight. Lows in the upper 40s. East winds 5 to 10 mph.
Wednesday
Mostly sunny. Patchy fog in the morning. Hazy with patchy smoke. Highs in the mid 70s. East winds 5 to 10 mph.
Wednesday Night
Mostly clear in the evening, then becoming partly cloudy. Hazy with patchy smoke in the evening. Patchy fog after midnight. Lows in the mid 50s. South winds 5 to 10 mph, becoming southwest after midnight.
Thursday
Patchy fog in the morning. Sunny. Highs in the lower 80s. West winds around 5 mph, becoming south in the afternoon.
Thursday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Southwest winds 5 to 10 mph.
Friday
Sunny. Highs in the mid 80s.
Friday Night
Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows around 60. Chance of rain 30 percent.
Saturday
Partly sunny. A chance of showers in the morning. Highs in the mid 70s. Chance of rain 30 percent.
Saturday Night
Partly cloudy. Lows in the lower 50s.
Sunday
Sunny. Highs in the lower 70s.
Sunday Night
Mostly clear. Lows in the lower 50s.
Monday
Mostly sunny. Highs in the mid 70s.
Monday Night
Partly cloudy. A chance of showers in the evening. Lows in the upper 50s. Chance of rain 30 percent.
Tuesday
Partly sunny. Highs in the mid 70s.
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