Heat Wave in the Eastern US; Heavy Rain in the Ohio Valley

Dangerous, long-lasting heat is expected across portions of the Central and Southeast U.S. Showers and thunderstorms, some severe, may produce heavy rain and localized areas of flash flooding across parts of the Ohio/Tennessee Valleys into the Appalachians. Severe thunderstorms are possible across parts of the northern Great Plains. Fire weather conditions possible in the Great Basin. Read More >

Hazardous Weather Conditions

Heat Advisory in effect from July 21, 10:00 AM CDT until July 21, 07:00 PM CDT

Current conditions at

Houma-Terrebonne Airport (KHUM)

Lat: 29.56°NLon: 90.66°WElev: 3ft.

Fair

80°F

27°C

Humidity	90%
Wind Speed	Calm
Barometer	30.08 in
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	86°F (30°C)
Last update	21 Jul 1:15 am CDT

More Information:

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

Extended Forecast for

Thibodaux LA

Heat Advisory July 21, 10:00am until July 21, 07:00pm

Click here for hazard details and duration

Heat Advisory

Overnight
Low: 79 °F
Clear
Monday
High: 92 °F
Sunny then
Slight Chance
T-storms
Monday Night
Low: 77 °F
Mostly Clear
Tuesday
High: 94 °F
Sunny then
Slight Chance
T-storms
Tuesday Night
Low: 77 °F
Mostly Clear
Wednesday
High: 93 °F
Slight Chance
T-storms then
Chance
T-storms
Wednesday Night
Low: 77 °F
Chance
T-storms then
Showers
Likely
Thursday
High: 88 °F
Showers then
T-storms
Thursday Night
Low: 76 °F
Chance
T-storms

Detailed Forecast

Overnight

Clear, with a steady temperature around 79. Calm wind.

Monday

A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Heat index values as high as 108. Calm wind becoming southwest around 5 mph.

Monday Night

Mostly clear, with a low around 77. South wind around 5 mph becoming calm.

Tuesday

A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Heat index values as high as 107. Calm wind.

Tuesday Night

Mostly clear, with a low around 77. West wind around 5 mph becoming calm.

Wednesday

A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 93. Northwest wind around 5 mph. Chance of precipitation is 50%.

Wednesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 77. Calm wind. Chance of precipitation is 60%.

Thursday

Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 88. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 80%.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 76. Calm wind.

Friday

Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Calm wind becoming southeast around 5 mph in the morning.

Friday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening.

Saturday

Showers and thunderstorms. Mostly sunny, with a high near 88. Calm wind becoming south around 5 mph in the morning.

Saturday Night

Partly cloudy, with a low around 76. South wind around 5 mph becoming calm in the evening.

Sunday

Showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.