National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Haze and Windy

11°F

-12°C

Humidity 77%
Wind Speed N 28 G 48 mph
Barometer 29.64 in (1003.8 mb)
Dewpoint 5°F (-15°C)
Visibility 0.25 mi
Wind Chill-10°F (-23°C)
Last update 7 Feb 1:56 pm EST
Extended Forecast for

Mastic NY

Wind Advisory February 7, 02:31pm until February 8, 12:00am
Winter Weather Advisory until February 7, 05:00pm
Extreme Cold Warning February 7, 06:00pm until February 8, 01:00pm
Click here for hazard details and duration
Wind Advisory
Winter Weather Advisory
Extreme Cold Warning
  •  
    Wind Advisory February 7, 02:31pm until February 8, 12:00am
    Winter Weather Advisory until February 7, 05:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 22 °F

    Chance Snow
    and Blustery

  • Tonight

    Tonight: A 20 percent chance of snow before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 2. Wind chill values between -5 and -15. Blustery, with a northwest wind 17 to 23 mph, with gusts as high as 46 mph.

    Low: 2 °F

    Slight Chance
    Snow and
    Blustery then
    Partly Cloudy

  • Sunday

    Sunday: Sunny and cold, with a high near 18. Wind chill values between -5 and -15. Northwest wind around 16 mph, with gusts as high as 29 mph.

    High: 18 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 8. Wind chill values between -5 and zero. Northwest wind 8 to 13 mph, with gusts as high as 25 mph.

    Low: 8 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 29. Northwest wind 7 to 10 mph.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 40 percent chance of snow. Cloudy, with a high near 22. Wind chill values between -5 and -10. Blustery, with a northwest wind around 23 mph, with gusts as high as 43 mph.
Tonight
A 20 percent chance of snow before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 2. Wind chill values between -5 and -15. Blustery, with a northwest wind 17 to 23 mph, with gusts as high as 46 mph.
Sunday
Sunny and cold, with a high near 18. Wind chill values between -5 and -15. Northwest wind around 16 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 8. Wind chill values between -5 and zero. Northwest wind 8 to 13 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 29. Northwest wind 7 to 10 mph.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Mostly cloudy, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
Mostly clear, with a low around 21.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mastic NY
 40.82°N 72.85°W (Elev. 49 ft)
Last Update:
1:09 pm EST Feb 7, 2026
Forecast Valid:
2pm EST Feb 7, 2026-6pm EST Feb 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation