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 >

Hazardous Weather Conditions

Heat Advisory in effect from August 20, 12:00 PM CDT until August 20, 08:00 PM CDT

Current conditions at

Acadiana Regional Airport (KARA)

Lat: 30.03°NLon: 91.88°WElev: 13ft.

Fair

93°F

34°C

Humidity	56%
Wind Speed	SW 13 mph
Barometer	29.94 in (1013.9 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	105°F (41°C)
Last update	19 Aug 5:53 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

3 Miles ESE Cow Island LA

Heat Advisory August 20, 12:00pm until August 20, 08:00pm

Click here for hazard details and duration

Heat Advisory

Tonight
Low: 78 °F
Mostly Clear
Thursday
High: 96 °F
Mostly Sunny
Thursday Night
Low: 79 °F
Mostly Clear
Friday
High: 96 °F
Sunny
Friday Night
Low: 79 °F
Mostly Clear
Saturday
High: 97 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 78 °F
Partly Cloudy
Sunday
High: 98 °F
Hot
Sunday Night
Low: 78 °F
Mostly Clear

Detailed Forecast

Tonight

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

Thursday

Mostly sunny, with a high near 96. Heat index values as high as 109. Light southwest wind increasing to 5 to 10 mph in the morning.

Thursday Night

Mostly clear, with a low around 79. Southwest wind 5 to 10 mph.

Friday

Sunny, with a high near 96. Heat index values as high as 111. Light west wind becoming southwest 5 to 10 mph in the morning.

Friday Night

Mostly clear, with a low around 79. Southwest wind 5 to 10 mph.

Saturday

A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97. Calm wind becoming west around 5 mph in the morning.

Saturday Night

Partly cloudy, with a low around 78. Southwest wind 5 to 10 mph becoming light in the evening.

Sunday

Sunny and hot, with a high near 98. Calm wind becoming southwest around 5 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 78. Southwest wind 5 to 10 mph becoming light after midnight.

Monday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97.

Monday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.

Tuesday

A 20 percent chance of showers and thunderstorms. Sunny, with a high near 96.