Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Fair

84°F

29°C

Humidity	55%
Wind Speed	S 10 mph
Barometer	30.09 in (1018.8 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	29 Jun 2:56 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Mastic NYSimilar City Names

Extreme Heat Watch July 1, 12:00pm until July 4, 09:00pm

Click here for hazard details and duration

Extreme Heat Watch

Tonight
Low: 66 °F
Mostly Clear
then Patchy
Fog
Tuesday
High: 82 °F
Mostly Sunny
Tuesday Night
Low: 70 °F
Slight Chance
T-storms
Wednesday
High: 87 °F
Mostly Sunny
Wednesday Night
Low: 73 °F
Slight Chance
T-storms
Thursday
High: 93 °F
Sunny
Thursday Night
Low: 75 °F
Clear
Friday
High: 97 °F
Sunny
Friday Night
Low: 75 °F
Partly Cloudy

Detailed Forecast

Tonight

Patchy fog between 2am and 3am. Otherwise, partly cloudy, with a low around 66. South wind around 6 mph becoming calm.

Tuesday

Mostly sunny, with a high near 82. Southwest wind 5 to 13 mph, with gusts as high as 23 mph.

Tuesday Night

A 20 percent chance of showers and thunderstorms after 11pm. Partly cloudy, with a low around 70. Southwest wind 10 to 15 mph.

Wednesday

Mostly sunny, with a high near 87. Southwest wind 11 to 15 mph.

Wednesday Night

A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

Thursday

Sunny, with a high near 93.

Thursday Night

Clear, with a low around 75.

Friday

Sunny, with a high near 97.

Friday Night

Partly cloudy, with a low around 75.

Independence Day

A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 93.

Saturday Night

A 30 percent chance of showers. Mostly cloudy, with a low around 73.