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Severe weather and flash flooding possible Wednesday across portions of the Mississippi and Tennessee Valleys

Strong to severe storms are expected to develop across portions of the Mid-Mississippi Valley on Wednesday. A Slight Risk has been highlighted to indicate the area most likely to see supercell activity. Heavy rainfall from the Mid-Mississippi Valley into the Tennessee Valley could lead to flash flooding. Some areas could see as much as 3 inches of rainfall.
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Current conditions at

New York, La Guardia Airport (KLGA)

Lat: 40.78°NLon: 73.88°WElev: 20ft.

Mostly Cloudy

72°F

22°C

Humidity 82%
Wind Speed SW 10 mph
Barometer 29.77 in (1008.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 1 Jul 7:51 am EDT
Extended Forecast for

Port Washington NY

  • Today

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    High: 85 °F

  • Tonight

    Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

    Slight Chc
    Thunderstorms

    Low: 68 °F

  • Thursday

    Mostly Sunny

    Mostly
    Sunny

    High: 83 °F

  • Thursday
    Night

    Slight Chance Showers Chance for Measurable Precipitation 20%

    Slight Chc
    Showers

    Low: 64 °F

  • Friday

    Mostly Sunny

    Mostly
    Sunny

    High: 79 °F

  • Friday
    Night

    Mostly Cloudy

    Mostly
    Cloudy

    Low: 66 °F

  • Independence
    Day

    Mostly Sunny

    Mostly
    Sunny

    High: 80 °F

  • Saturday
    Night

    Mostly Cloudy

    Mostly
    Cloudy

    Low: 67 °F

  • Sunday

    Mostly Sunny

    Mostly
    Sunny

    High: 84 °F

Detailed Forecast

Today
A slight chance of showers and thunderstorms. Some of the storms could produce gusty winds. Mostly sunny, with a high near 85. Southwest wind 8 to 11 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms before 10pm. Some of the storms could produce gusty winds. Partly cloudy, with a low around 68. West wind 6 to 9 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 83. Northwest wind around 7 mph becoming west in the afternoon.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 64. Light and variable wind becoming north 5 to 7 mph in the evening. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 79. North wind 5 to 8 mph becoming light and variable in the afternoon.
Friday Night
Mostly cloudy, with a low around 66.
Independence Day
Mostly sunny, with a high near 80.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 83.
Monday Night
Mostly cloudy, with a low around 67.
Tuesday
Partly sunny, with a high near 83.
  Click Map For Forecast
Point Forecast:
Port Washington NY
 40.83°N 73.67°W (Elev. 98 ft)
7:49 am EDT Jul 1, 2015
9am EDT Jul 1, 2015-6pm EDT Jul 7, 2015
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Graph

National Digital Forecast Database