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Heavy Rains and Potential for Flash Floods

Severe thunderstorms with damaging winds and heavy rains will be possible from the Ohio Valley to the Northeast Tuesday. In addition, heavy rains possible in the central Plains and southern Rockies. Heavy rain threat moves into the southern Mid-Atlantic Wednesday. Dry conditions remain out west where isolated dry thunderstorms could exacerbate ongoing fires and start new fires. Read More >

Current conditions at

New York, La Guardia Airport (KLGA)

Lat: 40.78°NLon: 73.88°WElev: 20ft.

Partly Cloudy

79°F

26°C

Humidity 77%
Wind Speed SW 7 mph
Barometer 30.09 in (1018.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 21 Aug 11:51 pm EDT
Extended Forecast for

2 Miles ENE Harlem NY

Heat Advisory August 22, 12:00pm until August 22, 06:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly cloudy, with a low around 74. Southwest wind around 7 mph.

    Mostly Cloudy

    Low: 74 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 93. Heat index values as high as 101. Southwest wind 8 to 15 mph.

    Slight Chance
    T-storms

    High: 93 °F

  • Tuesday
    Night

    Tuesday Night: Scattered showers and thunderstorms.  Mostly cloudy, with a low around 73. Southwest wind 13 to 15 mph.  Chance of precipitation is 50%.

    Scattered
    T-storms

    Low: 73 °F

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly before 9am.  Partly sunny, with a high near 84. Northwest wind around 11 mph.

    Chance
    T-storms

    High: 84 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 68. North wind 7 to 9 mph.

    Partly Cloudy

    Low: 68 °F

  • Thursday

    Thursday: Sunny, with a high near 79.

    Sunny

    High: 79 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 64.

    Mostly Clear

    Low: 64 °F

  • Friday

    Friday: Sunny, with a high near 78.

    Sunny

    High: 78 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 63.

    Mostly Clear

    Low: 63 °F

Detailed Forecast

Overnight
Mostly cloudy, with a low around 74. Southwest wind around 7 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 93. Heat index values as high as 101. Southwest wind 8 to 15 mph.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 73. Southwest wind 13 to 15 mph. Chance of precipitation is 50%.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly before 9am. Partly sunny, with a high near 84. Northwest wind around 11 mph.
Wednesday Night
Partly cloudy, with a low around 68. North wind 7 to 9 mph.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 63.
Sunday
Sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 79.
Click Map For Forecast
Point Forecast:
2 Miles ENE Harlem NY
 40.81°N 73.9°W (Elev. 39 ft)
9:31 pm EDT Aug 21, 2017
12am EDT Aug 22, 2017-6pm EDT Aug 27, 2017
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database