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Severe weather and flash flooding possible Sunday for the northern Plains and Upper Midwest

Severe weather will be possible Sunday across much of the northern Plains. The Storm Prediction Center has highlighted Slight and Moderate Risks mainly for large hail and damaging winds, but an isolated tornado cannot be ruled out. Across the Upper Midwest, heavy rainfall could lead to isolated flash flooding with 1 to 2 inches of rainfall possible over the next 24 hours.
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Hazardous Weather Conditions

Current conditions at

New York, Kennedy International Airport (KJFK)

Lat: 40.64°NLon: 73.76°WElev: 10ft.

Mostly Cloudy

78°F

26°C

Humidity 58%
Wind Speed SW 10 mph
Barometer 30.13 in (1020.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 5 Jul 10:51 am EDT
Extended Forecast for

Hempstead NY

  • This
    Afternoon

    Mostly Sunny

    Mostly
    Sunny

    High: 81 °F

  • Tonight

    Patchy Fog

    Patchy
    Fog

    Low: 67 °F

  • Monday

    Patchy Fog

    Patchy
    Fog

    High: 82 °F

  • Monday
    Night

    Slight Chance Showers Chance for Measurable Precipitation 20%

    Slight Chc
    Showers

    Low: 71 °F

  • Tuesday

    Heavy Rain Chance for Measurable Precipitation 50%

    Heavy
    Rain

    High: 84 °F

  • Tuesday
    Night

    Chance Thunderstorms Chance for Measurable Precipitation 40%

    Chance
    Thunderstorms

    Low: 72 °F

  • Wednesday

    Chance Thunderstorms Chance for Measurable Precipitation 50%

    Chance
    Thunderstorms

    High: 86 °F

  • Wednesday
    Night

    Chance Thunderstorms Chance for Measurable Precipitation 50%

    Chance
    Thunderstorms

    Low: 70 °F

  • Thursday

    Chance Showers Chance for Measurable Precipitation 30%

    Chance
    Showers

    High: 81 °F

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 81. Southwest wind 7 to 10 mph.
Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 67. South wind 6 to 11 mph becoming light southwest after midnight.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Light south wind increasing to 5 to 10 mph in the afternoon.
Monday Night
A slight chance of showers after 3am. Patchy fog after 3am. Otherwise, increasing clouds, with a low around 71. South wind 6 to 9 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms. Some of the storms could produce heavy rain. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 84. South wind 8 to 13 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Thursday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 83.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Mostly sunny, with a high near 85.
  Click Map For Forecast
Point Forecast:
Hempstead NY
 40.71°N 73.6°W (Elev. 56 ft)
9:35 am EDT Jul 5, 2015
12pm EDT Jul 5, 2015-6pm EDT Jul 11, 2015
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database