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- Latest Briefing: Major Winter Storm Sunday into Monday
- Winter Storm Watch Late Saturday Night Through Monday Afternoon
- Cold Weather Advisory Late Friday Evening Until Late Saturday Morning
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Hazardous Weather Conditions
Current conditions at
Shirley, Brookhaven Airport (KHWV)
Lat: 40.82°NLon: 72.87°WElev: 82ft.
Fair
37°F
3°C
| Humidity | 27% |
| Wind Speed | W 18 G 33 mph |
| Barometer | 30.09 in (1018.8 mb) |
| Dewpoint | 6°F (-14°C) |
| Visibility | 10.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 23 Jan 12:56 pm EST |
Extended Forecast for
Mastic NY
Cold Weather Advisory January 23, 10:00pm until January 24, 12:00pm
Winter Storm Warning January 25, 03:00am until January 26, 06:00pm
This Afternoon
High: 39 °F
Partly Sunny
Tonight
Low: 9 °F
Mostly Cloudy
Saturday
High: 18 °F
Cold
Saturday Night
Low: 11 °F
Mostly Cloudy
then Slight
Chance SnowSunday
High: 31 °F
Heavy Snow
Sunday Night
Low: 28 °F
Wintry Mix
and BreezyMonday
High: 31 °F
Snow
Monday Night
Low: 11 °F
Partly Cloudy
Tuesday
High: 22 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Partly sunny, with a high near 39. Wind chill values between 25 and 30. West wind 15 to 17 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 9. Wind chill values between -5 and 5. Northwest wind 10 to 16 mph.
Saturday
Mostly sunny and cold, with a high near 18. Wind chill values between -5 and 5. Northwest wind 10 to 14 mph.
Saturday Night
A 20 percent chance of snow after 1am. Cloudy, with a low around 11. North wind 3 to 5 mph.
Sunday
Snow. The snow could be heavy at times. High near 31. Northeast wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Sunday Night
Snow and sleet before 10pm, then sleet, possibly mixed with freezing rain between 10pm and 4am, then snow and sleet after 4am. The snow could be heavy at times. Steady temperature around 28. Breezy. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 1 to 3 inches possible.
Monday
Snow, mainly before 1pm. High near 31. Chance of precipitation is 80%.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
Partly cloudy, with a low around 10.
Wednesday
Mostly sunny, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 10.
Thursday
Partly sunny, with a high near 23.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mastic NY
40.82°N 72.85°W (Elev. 49 ft)
40.82°N 72.85°W (Elev. 49 ft)
12:58 pm EST Jan 23, 2026
1pm EST Jan 23, 2026-6pm EST Jan 29, 2026
Additional Resources
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Hourly Weather Forecast
