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Heavy Rainfall Across South Texas; Heat in the West

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and Lower Mississippi River Valley through Thursday. Hot temperatures will persist over central and northern California and the Pacific Northwest through today. Read More >

Hazardous Weather Conditions

Current conditions at

Louisiana Regional Airport (KREG)

Lat: 30.17°NLon: 90.94°WElev: 14ft.

Heavy Rain

78°F

26°C

Humidity 97%
Wind Speed Calm
Barometer 29.91 in
Dewpoint 77°F (25°C)
Visibility 7.00 mi
Heat Index81°F (27°C)
Last update 16 Jun 3:35 am CDT
Extended Forecast for

Napoleonville LA

Flood Watch June 16, 03:54am until June 19, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 16, 03:54am until June 19, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • Overnight

    Low: 76 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms, mainly before noon. Patchy fog after 11am. High near 80. South wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 80 °F

    T-storms and
    Patchy Fog
    then Chance
    T-storms and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a steady temperature around 78. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 78 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 85. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 78. South wind around 10 mph. Chance of precipitation is 70%.

    Low: 78 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 87. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 87 °F

    Showers then
    T-storms

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 78. South wind 5 to 10 mph.

    Low: 78 °F

    Chance
    T-storms

  • Juneteenth

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

    High: 90 °F

    T-storms
    Likely

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. South wind around 5 mph.
Tuesday
Showers and thunderstorms, mainly before noon. Patchy fog after 11am. High near 80. South wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Mostly cloudy, with a steady temperature around 78. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely, mainly after 4pm. Mostly cloudy, with a high near 85. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 78. South wind around 10 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 87. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 78. South wind 5 to 10 mph.
Juneteenth
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 77. South wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming calm.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light south wind becoming southwest 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 78. South wind around 5 mph.
Monday
Sunny, with a high near 92. Light south wind becoming southwest 5 to 10 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Napoleonville LA
 29.95°N 91.03°W
Last Update:
2:01 am CDT Jun 16, 2026
Forecast Valid:
3am CDT Jun 16, 2026-6pm CDT Jun 22, 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