Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
30°F
-1°C
| Humidity | 41% |
| Wind Speed | NW 18 G 26 mph |
| Barometer | 29.85 in (1010.9 mb) |
| Dewpoint | 9°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 18°F (-8°C) |
| Last update | 24 Feb 2:56 pm EST |
Extended Forecast for
Terryville NY
Tonight
Low: 19 °F⇑
Mostly Clear
then Snow
LikelyWednesday
High: 39 °F
Rain/Snow
then Chance
Rain/SnowWednesday Night
Low: 29 °F
Partly Cloudy
Thursday
High: 36 °F
Mostly Sunny
then Chance
SnowThursday Night
Low: 24 °F
Chance Snow
Friday
High: 36 °F
Mostly Sunny
Friday Night
Low: 27 °F
Partly Cloudy
Saturday
High: 42 °F
Mostly Sunny
Saturday Night
Low: 29 °F
Partly Cloudy
Detailed Forecast
Tonight
Snow likely after 4am. Increasing clouds, with a temperature falling to near 19 by midnight, then rising to around 30 during the remainder of the night. West wind 5 to 10 mph becoming light and variable. Chance of precipitation is 60%. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Snow, possibly mixed with rain, mainly before 10am. High near 39. Southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Wednesday Night
Partly cloudy, with a low around 29. Southwest wind around 6 mph.
Thursday
A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 36. Wind chill values between 25 and 35. West wind around 6 mph.
Thursday Night
A 40 percent chance of snow, mainly before 4am. Mostly cloudy, with a low around 24. Light and variable wind.
Friday
Mostly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 27.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 19.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 29.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 20.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 35. Chance of precipitation is 30%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Terryville NY
40.91°N 73.06°W (Elev. 154 ft)
40.91°N 73.06°W (Elev. 154 ft)
1:21 pm EST Feb 24, 2026
3pm EST Feb 24, 2026-6pm EST Mar 3, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
