Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Patterson Memorial (KPTN)

Lat: 29.72°NLon: 91.33°WElev: 10ft.

Fair

78°F

26°C

Humidity	97%
Wind Speed	W 3 mph
Barometer	30.01 in (1016.2 mb)
Dewpoint	77°F (25°C)
Visibility	10.00 mi
Heat Index	81°F (27°C)
Last update	16 Jul 1:56 am CDT

More Information:

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

Extended Forecast for

5 Miles SW Napoleonville LA

Flood Watch July 16, 01:00pm until July 19, 01:00am

Heat Advisory July 16, 10:00am until July 16, 07:00pm

Click here for hazard details and duration

Flood Watch

Heat Advisory

Overnight
Low: 79 °F
Mostly Clear
Wednesday
High: 93 °F
Chance
T-storms
Wednesday Night
Low: 76 °F
Chance
T-storms then
T-storms
Likely
Thursday
High: 87 °F
Heavy Rain
Thursday Night
Low: 74 °F
Showers
Likely
Friday
High: 86 °F
Showers then
T-storms
Friday Night
Low: 76 °F
T-storms
Likely then
Chance
Showers
Saturday
High: 89 °F
Showers
Likely then
T-storms
Saturday Night
Low: 76 °F
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a steady temperature around 79. Calm wind.

Wednesday

A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 108. Calm wind becoming north around 5 mph.

Wednesday Night

Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a low around 76. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

Showers and thunderstorms likely before 7am, then showers and possibly a thunderstorm between 7am and 1pm, then showers and thunderstorms after 1pm. Some of the storms could produce heavy rainfall. High near 87. Northwest wind 5 to 10 mph. Chance of precipitation is 100%.

Thursday Night

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 74. West wind around 5 mph becoming east in the evening. Chance of precipitation is 60%.

Friday

Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 86. Southwest wind 5 to 10 mph. Chance of precipitation is 100%.

Friday Night

Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

Saturday

Showers likely and possibly a thunderstorm, then showers and thunderstorms after 1pm. High near 89. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%.

Saturday Night

Partly cloudy, with a low around 76. Southwest wind around 5 mph becoming calm.

Sunday

A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. Calm wind becoming southwest around 5 mph.

Sunday Night

Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm.

Monday

A chance of showers and thunderstorms. Sunny, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon.

Monday Night

Mostly clear, with a low around 76. Southwest wind around 5 mph becoming calm in the evening.

Tuesday

A chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.