Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Louisiana Regional Airport (KREG)

Lat: 30.17°NLon: 90.94°WElev: 14ft.

Overcast

84°F

29°C

Humidity 90%
Wind Speed S 8 mph
Barometer 29.88 in
Dewpoint 81°F (27°C)
Visibility 7.00 mi
Heat Index98°F (37°C)
Last update 18 Jun 10:35 pm CDT
Extended Forecast for

3 Miles ESE Napoleonville LA

Flood Watch June 18, 10:46pm until June 19, 07:00am
Heat Advisory June 19, 10:00am until June 19, 07:00pm
Click here for hazard details and duration
Flood Watch
Heat Advisory
  •  
    Flood Watch June 18, 10:46pm until June 19, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • Tonight

    Low: 79 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 92. Heat index values as high as 111. South wind around 5 mph.

    High: 92 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before 11pm.  Mostly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 77 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 10am.  Partly sunny, with a high near 90. Heat index values as high as 105. Calm wind becoming south around 5 mph in the afternoon.  Chance of precipitation is 50%.

    High: 90 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 77. South wind around 5 mph.  Chance of precipitation is 40%.

    Low: 77 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 90. South wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 78. South wind around 5 mph.

    Low: 78 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 91. Southwest wind 5 to 10 mph.

    High: 91 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 79. South wind around 5 mph.
Juneteenth
Mostly sunny, with a high near 92. Heat index values as high as 111. South wind around 5 mph.
Friday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 90. Heat index values as high as 105. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 77. South wind around 5 mph. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 90. South wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 78. South wind around 5 mph.
Monday
Sunny, with a high near 91. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 77. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming west around 5 mph.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Napoleonville LA
 29.92°N 90.98°W
9:32 pm CDT Jun 18, 2026
10pm CDT Jun 18, 2026-6pm CDT Jun 25, 2026
 
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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