National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Flash Flood Risk in the Mid-Atlantic; Storms in the High Plains; Critical Fire Weather Threats in the West

Heavy rain and thunderstorms will pose a flash flood risk for the Mid-Atlantic. Severe thunderstorms are possible through Friday from the northern and central Plains to the Upper Midwest. Elevated and critical fire weather conditions with isolated dry thunderstorm potential across a large part of the West. Above average temperatures are expected in the Southern Plains and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

New Orleans Naval Air Station - Alvin Callender Field (KNBG)

Lat: 29.84°NLon: 90.02°WElev: 0ft.

Thunderstorm Light Rain Fog/Mist

78°F

26°C

Humidity 79%
Wind Speed W 7 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 71°F (22°C)
Visibility 4.00 mi
Heat Index80°F (27°C)
Last update 12 Aug 2:55 pm CDT
Extended Forecast for

Gretna LASimilar City Names

Flood Advisory until August 12, 04:00pm
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory until August 12, 04:00pm

    NOW until
    4:00pm Wed

    Flood Advisory

  • This
    Afternoon

    This Afternoon: Scattered showers and thunderstorms. Partly sunny, with a high near 93. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.

    Scattered
    T-storms

    High: 93 °F

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Scattered
    T-storms then
    Partly Cloudy

    Low: 78 °F

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Scattered
    T-storms then
    T-storms
    Likely

    High: 91 °F

  • Thursday
    Night

    Thursday Night: Isolated showers and thunderstorms after 1am. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Partly Cloudy
    then Isolated
    T-storms

    Low: 78 °F

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    Scattered
    T-storms then
    T-storms
    Likely

    High: 90 °F

  • Friday
    Night

    Friday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Slight Chance
    T-storms then
    Slight Chance
    Showers

    Low: 78 °F

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.

    Chance
    T-storms then
    T-storms
    Likely

    High: 90 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm.

    Slight Chance
    T-storms

    Low: 78 °F

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms. Partly sunny, with a high near 93. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.
Tonight
Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 78. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Isolated showers and thunderstorms after 1am. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming northwest around 5 mph in the morning.
Sunday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 78. West wind around 5 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. North wind around 5 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 78. Calm wind.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 90. North wind around 5 mph.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 76. South wind around 5 mph becoming calm.
Wednesday
Calm wind.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Gretna LASimilar City Names
 29.92°N 90.06°W
Last Update:
2:17 pm CDT Aug 12, 2020
Forecast Valid:
3pm CDT Aug 12, 2020-6pm CDT Aug 19, 2020
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation