Severe Thunderstorms in the Central U.S. Today; Dangerous Heatwave Coming to the West

Isolated to scattered severe thunderstorms will be possible today and Thursday across parts of the central Plains into the Upper Midwest and mid Mississippi Valley. Damaging winds, large hail and flooding should be the main threats. A record-breaking and dangerous heatwave is coming to the West. Dozens of daily high temperature records could be broken starting this weekend. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

73°F

23°C

Humidity 35%
Wind Speed N 7 G 18 mph
Barometer 30.20 in (1022.6 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 23 Jun 2:56 pm EDT
Extended Forecast for

Stony Brook NY

  • Tonight

    Tonight: Clear, with a low around 59. Southwest wind around 5 mph becoming calm  in the evening.

    Clear

    Low: 59 °F

  • Thursday

    Thursday: Sunny, with a high near 79. East wind 6 to 10 mph.

    Sunny

    High: 79 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 60. East wind around 9 mph.

    Partly Cloudy

    Low: 60 °F

  • Friday

    Friday: A 20 percent chance of showers.  Mostly sunny, with a high near 80. Northeast wind around 9 mph becoming southeast in the afternoon.

    Slight Chance
    Showers

    High: 80 °F

  • Friday
    Night

    Friday Night: A 20 percent chance of showers.  Partly cloudy, with a low around 65. South wind around 10 mph.

    Slight Chance
    Showers

    Low: 65 °F

  • Saturday

    Saturday: Partly sunny, with a high near 84.

    Partly Sunny

    High: 84 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 68.

    Mostly Cloudy

    Low: 68 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    Mostly Sunny

    High: 85 °F

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 69.

    Partly Cloudy

    Low: 69 °F

Detailed Forecast

Tonight
Clear, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 79. East wind 6 to 10 mph.
Thursday Night
Partly cloudy, with a low around 60. East wind around 9 mph.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 80. Northeast wind around 9 mph becoming southeast in the afternoon.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 65. South wind around 10 mph.
Saturday
Partly sunny, with a high near 84.
Saturday Night
Mostly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 69.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Click Map For Forecast
Point Forecast:
Stony Brook NY
 40.92°N 73.12°W (Elev. 112 ft)
1:24 pm EDT Jun 23, 2021
3pm EDT Jun 23, 2021-6pm EDT Jun 30, 2021
 
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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