Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Acadiana Regional Airport (KARA)

Lat: 30.03°NLon: 91.88°WElev: 13ft.

Fair

90°F

32°C

Humidity 62%
Wind Speed SW 13 mph
Barometer 29.94 in (1013.8 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 19 Aug 6:53 pm CDT
Extended Forecast for

3 Miles NW Louisa LA

Heat Advisory August 20, 12:00pm until August 20, 08:00pm
Heat Advisory August 19, 07:46pm until August 19, 08:00pm
Click here for hazard details and duration
Heat Advisory
...
  •  
    Heat Advisory August 19, 07:46pm until August 19, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 78 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 95. Heat index values as high as 107. West wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 96. Heat index values as high as 110. West wind 5 to 10 mph.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 77. West wind 5 to 10 mph.

    Low: 77 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 96. West wind 5 to 10 mph.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. Southwest wind 5 to 10 mph becoming light  in the evening.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 96. Calm wind becoming southwest around 5 mph in the morning.

    High: 96 °F

    Sunny

Detailed Forecast

Tonight
Partly cloudy, with a low around 78. Southwest wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 95. Heat index values as high as 107. West wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 78. Southwest wind 5 to 10 mph.
Friday
Sunny, with a high near 96. Heat index values as high as 110. West wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 77. West wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. West wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 76. Southwest wind 5 to 10 mph becoming light in the evening.
Sunday
Sunny, with a high near 96. Calm wind becoming southwest around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 77. Southwest wind 5 to 10 mph becoming light west in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96.
Monday Night
Partly cloudy, with a low around 77.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 96.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Louisa LA
 29.81°N 91.8°W
6:45 pm CDT Aug 19, 2026
7pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database