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

Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. Read More >

Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Overcast

72°F

22°C

Humidity 82%
Wind Speed SE 7 mph
Barometer 29.83 in (1010.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 30 Jul 5:56 pm EDT
Extended Forecast for

Shoreham NY

  • Tonight

    Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 65. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers then
    Patchy Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 81. Northwest wind around 6 mph.

    High: 81 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 68. Southwest wind 3 to 5 mph.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 70. South wind 6 to 8 mph.

    Low: 70 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 65. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 81. Northwest wind around 6 mph.
Friday Night
Mostly clear, with a low around 68. Southwest wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 85. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 70. South wind 6 to 8 mph.
Sunday
Partly sunny, with a high near 83.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 69.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Monday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shoreham NY
 40.96°N 72.9°W (Elev. 125 ft)
Last Update:
3:41 pm EDT Jul 30, 2026
Forecast Valid:
6pm EDT Jul 30, 2026-6pm EDT Aug 6, 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