Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

Farmingdale - Republic Airport (KFRG)

Lat: 40.73°NLon: 73.42°WElev: 72ft.

Fair

77°F

25°C

Humidity 64%
Wind Speed Calm
Barometer 30.09 in (1018.8 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 29 Jun 8:53 am EDT
Extended Forecast for

Copiague NY

Extreme Heat Watch July 1, 12:00pm until July 3, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
  • Today

    Today: Mostly sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Southwest wind 3 to 6 mph.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. South wind 5 to 14 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 69. Southwest wind 10 to 13 mph.

    Low: 69 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 87. South wind 10 to 16 mph.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the afternoon.
Tonight
Partly cloudy, with a low around 67. Southwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 81. South wind 5 to 14 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southwest wind 10 to 13 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 87. South wind 10 to 16 mph.
Wednesday Night
Partly cloudy, with a low around 73.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 76.
Friday
Sunny, with a high near 94.
Friday Night
A chance of showers between 8pm and 2am. Partly cloudy, with a low around 75. Chance of precipitation is 40%.
Independence Day
A 30 percent chance of showers. Mostly sunny, with a high near 90.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 72.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Copiague NY
 40.66°N 73.41°W (Elev. 3 ft)
8:12 am EDT Jun 29, 2026
9am EDT Jun 29, 2026-6pm EDT Jul 5, 2026
 
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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