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

Powerful Great Lakes and Northeastern U.S. Winter Storm; Strong Winds in Southern California

A winter storm will rapidly strengthen Thursday while shifting from the Ohio Valley into southern Quebec. Heavy snow and strengthening winds will shift from the Midwest into northern New England, and will be followed by heavy lake effect snow near the eastern Great Lakes, with possible blizzard conditions. Strong winds in Southern California are contributing to an elevated fire-weather threat. Read More >

Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Overcast

46°F

8°C

Humidity 83%
Wind Speed Vrbl 6 mph
Barometer 29.86 in (1011.3 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 26 Feb 6:56 pm EST
Extended Forecast for

Upton NYSimilar City Names

  • Tonight

    Tonight: Patchy drizzle before 10pm, then a chance of showers between 10pm and midnight, then showers and possibly a thunderstorm after midnight. Patchy fog before 4am. Steady temperature around 48. Breezy, with an east wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Chance
    Showers and
    Patchy Fog
    then Showers
    and Areas Fog

    Low: 48 °F

  • Thursday

    Thursday: Showers likely, mainly before 7am. Mostly sunny, with a temperature falling to around 40 by 5pm. Breezy, with a west wind 17 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Breezy.
    Showers
    Likely then
    Mostly Sunny

    High: 47 °F⇓

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 23. Wind chill values between 10 and 20. Breezy, with a west wind 20 to 24 mph, with gusts as high as 36 mph.

    Partly Cloudy
    and Breezy

    Low: 23 °F

  • Friday

    Friday: Mostly sunny, with a high near 40. Wind chill values between 10 and 20. Breezy, with a west wind 16 to 23 mph, with gusts as high as 34 mph.

    Mostly Sunny
    and Breezy

    High: 40 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 26. West wind 8 to 14 mph.

    Partly Cloudy

    Low: 26 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 37.

    Mostly Sunny

    High: 37 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 21.

    Partly Cloudy

    Low: 21 °F

  • Sunday

    Sunday: Sunny, with a high near 38.

    Sunny

    High: 38 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 27.

    Mostly Clear

    Low: 27 °F

Detailed Forecast

Tonight
Patchy drizzle before 10pm, then a chance of showers between 10pm and midnight, then showers and possibly a thunderstorm after midnight. Patchy fog before 4am. Steady temperature around 48. Breezy, with an east wind 10 to 15 mph increasing to 16 to 21 mph after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers likely, mainly before 7am. Mostly sunny, with a temperature falling to around 40 by 5pm. Breezy, with a west wind 17 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Partly cloudy, with a low around 23. Wind chill values between 10 and 20. Breezy, with a west wind 20 to 24 mph, with gusts as high as 36 mph.
Friday
Mostly sunny, with a high near 40. Wind chill values between 10 and 20. Breezy, with a west wind 16 to 23 mph, with gusts as high as 34 mph.
Friday Night
Partly cloudy, with a low around 26. West wind 8 to 14 mph.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Sunny, with a high near 38.
Sunday Night
Mostly clear, with a low around 27.
Monday
Mostly sunny, with a high near 43.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
A 40 percent chance of showers. Mostly cloudy, with a high near 51.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 42.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 56. Breezy.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Upton NYSimilar City Names
 40.86°N 72.87°W (Elev. 49 ft)
Last Update:
6:41 pm EST Feb 26, 2020
Forecast Valid:
7pm EST Feb 26, 2020-6pm EST Mar 4, 2020
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic 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