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Severe Thunderstorms With Heavy Rain Possible In The Upper Midwest; Excessive Heat For Central U.S.

Several rounds of strong to severe thunderstorms will be possible from the northern Plains and upper Midwest to the Great Lakes through Friday. Damaging winds, large hail, and flooding will be the primary threats with these storms. Excessive heat will grip the central Plains with heat indices approaching 105 to 110 degrees. Very hot and humid conditions are likely to expand into the Mid Atlantic. Read More >

Current conditions at

New York, La Guardia Airport (KLGA)

Lat: 40.78°NLon: 73.88°WElev: 20ft.

Light Rain

82°F

28°C

Humidity 74%
Wind Speed W 16 mph
Barometer 29.87 in (1011.3 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 20 Jul 8:51 pm EDT
Extended Forecast for

2 Miles ENE Harlem NY

Heat Advisory until July 21, 06:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until July 21, 06:00pm

    NOW until
    6:00pm Fri

    Heat Advisory

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 11pm. Some of the storms could produce gusty winds and heavy rain.  Mostly cloudy, with a low around 77. West wind 5 to 9 mph becoming light northwest  after midnight.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Heavy Rain
    then Mostly
    Cloudy

    Low: 77 °F

  • Friday

    Friday: Mostly sunny and hot, with a high near 95. Northwest wind 6 to 13 mph.

    Hot

    High: 95 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 75. West wind 5 to 8 mph becoming north after midnight.

    Partly Cloudy

    Low: 75 °F

  • Saturday

    Saturday: Partly sunny, with a high near 91. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    Partly Sunny

    High: 91 °F

  • Saturday
    Night

    Saturday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 76. Light and variable wind becoming southeast 6 to 11 mph.

    Chance
    T-storms

    Low: 76 °F

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rain.  Mostly cloudy, with a high near 84. Chance of precipitation is 50%.

    Chance
    Showers then
    Heavy Rain

    High: 84 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms. Some of the storms could produce heavy rain.  Mostly cloudy, with a low around 74. Chance of precipitation is 50%.

    Heavy Rain
    then Chance
    Showers

    Low: 74 °F

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 85.

    Chance
    T-storms

    High: 85 °F

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 11pm. Some of the storms could produce gusty winds and heavy rain. Mostly cloudy, with a low around 77. West wind 5 to 9 mph becoming light northwest after midnight. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Mostly sunny and hot, with a high near 95. Northwest wind 6 to 13 mph.
Friday Night
Partly cloudy, with a low around 75. West wind 5 to 8 mph becoming north after midnight.
Saturday
Partly sunny, with a high near 91. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Light and variable wind becoming southeast 6 to 11 mph.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 84. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 74. Chance of precipitation is 50%.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Tuesday
Partly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
Mostly sunny, with a high near 83.
Click Map For Forecast
Point Forecast:
2 Miles ENE Harlem NY
 40.81°N 73.9°W (Elev. 39 ft)
8:13 pm EDT Jul 20, 2017
9pm EDT Jul 20, 2017-6pm EDT Jul 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