Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Acadiana Regional Airport (KARA)

Lat: 30.03°NLon: 91.88°WElev: 13ft.

Thunderstorm Rain Fog/Mist

74°F

23°C

Humidity 94%
Wind Speed N 15 G 24 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 72°F (22°C)
Visibility 5.00 mi
Last update 27 Aug 5:53 am CDT
Extended Forecast for

Delcambre LA

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 77. West wind around 5 mph.

    Low: 77 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms, mainly before 2pm.  Patchy fog between 9am and 10am. High near 90. Heat index values as high as 102. Calm wind becoming northwest around 5 mph in the morning.  Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 90 °F

    Showers and
    Patchy Fog
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 11pm.  Mostly cloudy, with a low around 74. East wind around 5 mph becoming calm.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    T-storms
    Likely

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly between 10am and 4pm.  Mostly sunny, with a high near 89. Heat index values as high as 100. Calm wind becoming north around 5 mph in the afternoon.

    High: 89 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 92. Northeast wind around 5 mph.

    High: 92 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms, mainly after 1pm.  Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 91 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77. West wind around 5 mph.
Thursday
Showers and thunderstorms, mainly before 2pm. Patchy fog between 9am and 10am. High near 90. Heat index values as high as 102. Calm wind becoming northwest around 5 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Thursday Night
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 74. East wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 50 percent chance of showers and thunderstorms, mainly between 10am and 4pm. Mostly sunny, with a high near 89. Heat index values as high as 100. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Northeast wind around 5 mph.
Saturday Night
Mostly clear, with a low around 74. Calm wind.
Sunday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming southeast around 5 mph in the afternoon.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening.
Monday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
A 40 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Delcambre LA
 29.95°N 91.98°W
2:45 am CDT Aug 27, 2026
5am CDT Aug 27, 2026-6pm CDT Sep 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database