Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from September 7, 11:00 AM CDT until September 7, 07:00 PM CDT

Current conditions at

Acadiana Regional Airport (KARA)

Lat: 30.03°NLon: 91.88°WElev: 13ft.

Partly Cloudy

86°F

30°C

Humidity	72%
Wind Speed	N 5 mph
Barometer	29.96 in (1014.3 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	96°F (36°C)
Last update	6 Sep 10:53 am CDT

More Information:

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

Extended Forecast for

Saint Martinville LA

Heat Advisory September 7, 11:00am until September 7, 07:00pm

Click here for hazard details and duration

Heat Advisory

Today
High: 91 °F
Chance
T-storms
Tonight
Low: 75 °F
Mostly Clear
Labor Day
High: 95 °F
Mostly Sunny
then Chance
T-storms
Monday Night
Low: 75 °F
Slight Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 93 °F
Sunny then
T-storms
Likely
Tuesday Night
Low: 74 °F
T-storms
Likely then
Mostly Clear
Wednesday
High: 91 °F
Slight Chance
T-storms then
T-storms
Likely
Wednesday Night
Low: 74 °F
Slight Chance
T-storms
Thursday
High: 90 °F
Chance
Showers then
Showers
Likely

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 91. Heat index values as high as 101. Calm wind becoming southwest around 5 mph.

Tonight

Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm.

Labor Day

A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Heat index values as high as 107. Calm wind becoming west around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Cloudy during the early evening, then gradual clearing, with a low around 75. South wind around 5 mph becoming calm. Chance of precipitation is 20%.

Tuesday

Showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly sunny, with a high near 93. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%.

Tuesday Night

Thunderstorms likely before 7pm. Partly cloudy, with a low around 74. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

Wednesday

Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 60%.

Wednesday Night

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. Southeast wind around 5 mph becoming calm.

Thursday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.

Thursday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 20%.

Friday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

Friday Night

Partly cloudy, with a low around 74.

Saturday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.