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

Severe Thunderstorms and Heavy Rainfall From the Southern High Plains into the Lower Mississippi Valley

Strong to severe thunderstorms capable of producing large hail, gusty winds and heavy rainfall will be possible over the next few days from New Mexico to Texas, into western Mississippi. Additional heavy rainfall over previously saturated soils may lead to flash and urban flooding. Isolated thunderstorms will also be possible across portions of the Midwest. 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.

Overcast

79°F

26°C

Humidity 79%
Wind Speed E 13 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 12 May 11:55 pm CDT
Extended Forecast for

Harvey LA

Flood Watch May 13, 07:00am until May 14, 10:00am
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: A chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 75. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 75 °F

    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 86. South wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 70. Southwest wind 10 to 15 mph becoming east in the evening. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 70 °F

    T-storms
    Likely then
    Heavy Rain

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 87. South wind around 10 mph becoming west in the afternoon.

    High: 87 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 70. Southwest wind 5 to 10 mph.

    Low: 70 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89. Northwest wind 5 to 10 mph.

    High: 89 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 72. Southwest wind 5 to 10 mph becoming east after midnight.

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Southeast wind 5 to 15 mph.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Southeast wind around 15 mph.

    Low: 75 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 75. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely and possibly a thunderstorm before 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 86. South wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 70. Southwest wind 10 to 15 mph becoming east in the evening. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 87. South wind around 10 mph becoming west in the afternoon.
Tuesday Night
Mostly clear, with a low around 70. Southwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 89. Northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 72. Southwest wind 5 to 10 mph becoming east after midnight.
Thursday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Southeast wind 5 to 15 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Southeast wind around 15 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 88. South wind around 15 mph, with gusts as high as 25 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 76. South wind 10 to 15 mph.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind around 10 mph.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind around 10 mph.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. South wind around 10 mph.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Harvey LA
 29.88°N 90.07°W
Last Update:
11:31 pm CDT May 12, 2024
Forecast Valid:
12am CDT May 13, 2024-6pm CDT May 19, 2024
 
Forecast Discussion
 
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Additional Resources

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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