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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

New Orleans, New Orleans International Airport (KMSY)

Lat: 29.99°NLon: 90.25°WElev: 3ft.

Overcast

81°F

27°C

Humidity 88%
Wind Speed S 12 mph
Barometer 29.84 in (1010.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 17 Jun 7:53 am CDT
Extended Forecast for

Waggaman LA

Flood Watch June 17, 08:20am until June 19, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 17, 08:20am until June 19, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • Today

    High: 86 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then showers and thunderstorms likely after 4am. Low around 79. Breezy, with a south wind 15 to 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 79 °F

    T-storms and
    Breezy

  • Thursday

    Thursday: Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Heat index values as high as 106. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    T-storms
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 81. South wind 10 to 15 mph. Chance of precipitation is 40%.

    Low: 81 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 91. South wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 91 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 79. South wind around 5 mph.

    Low: 79 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 90 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 79. South wind around 5 mph.

    Low: 79 °F

    Partly Cloudy

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after noon. Mostly cloudy, with a high near 86. South wind 10 to 15 mph, with gusts as high as 30 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then showers and thunderstorms likely after 4am. Low around 79. Breezy, with a south wind 15 to 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Heat index values as high as 106. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
A chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 81. South wind 10 to 15 mph. Chance of precipitation is 40%.
Juneteenth
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 91. South wind 5 to 10 mph. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 79. South wind around 5 mph.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 90. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 79. South wind around 5 mph.
Sunday
Mostly sunny, with a high near 91. South wind 5 to 15 mph.
Sunday Night
Partly cloudy, with a low around 80. South wind around 10 mph.
Monday
Mostly sunny, with a high near 93. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. West wind around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waggaman LA
 29.93°N 90.22°W
Last Update:
5:31 am CDT Jun 17, 2026
Forecast Valid:
8am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation