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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Current conditions at

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

Lat: 29.84°NLon: 90.02°WElev: 0ft.

Thunderstorm Heavy Rain

76°F

24°C

Humidity 82%
Wind Speed W 7 G 16 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 70°F (21°C)
Visibility 1.75 mi
Heat Index77°F (25°C)
Last update 20 Jun 2:55 pm CDT
Extended Forecast for

3 Miles ENE Belle Chasse LA

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 89. Heat index values as high as 105. South wind around 5 mph. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Heavy Rain

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 4am. Mostly cloudy, with a low around 79. Northeast wind around 5 mph becoming south after midnight. Chance of precipitation is 40%.

    Low: 79 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 89. South wind 5 to 15 mph.

    High: 89 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 81. South wind around 10 mph.

    Low: 81 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 92. Southwest wind 5 to 15 mph.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 80. Southwest wind 5 to 10 mph.

    Low: 80 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Southwest wind around 5 mph.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 78. Southwest wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. West wind around 5 mph.

    High: 92 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 89. Heat index values as high as 105. South wind around 5 mph. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 4am. Mostly cloudy, with a low around 79. Northeast wind around 5 mph becoming south after midnight. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 89. South wind 5 to 15 mph.
Sunday Night
Mostly cloudy, with a low around 81. South wind around 10 mph.
Monday
Mostly sunny, with a high near 92. Southwest wind 5 to 15 mph.
Monday Night
Mostly clear, with a low around 80. Southwest wind 5 to 10 mph.
Tuesday
Sunny, with a high near 93. Southwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 78. Southwest wind 5 to 10 mph.
Wednesday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. West wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 78. Southwest wind around 5 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. West wind around 5 mph.
Thursday Night
Partly cloudy, with a low around 78. Southwest wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 79. South wind 5 to 10 mph.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Light south wind increasing to 5 to 10 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Belle Chasse LA
 29.85°N 89.96°W
Last Update:
3:20 pm CDT Jun 20, 2026
Forecast Valid:
3pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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