National Weather Service

News Headlines

The National Weather Service is planning to modernize its Cooperative Observer Program (COOP) network by harnessing new technology. Let us know your thoughts on these proposed changes!
User Survey to Assist with NWS Modernization Activities for NOAA Weather Radio

Hazardous Weather Conditions

Flood Watch until May 25, 07:00 PM CDT

Current conditions at

Patterson Memorial (KPTN)

Lat: 29.72°NLon: 91.33°WElev: 10ft.

Mostly Cloudy

71°F

22°C

Humidity	100%
Wind Speed	Calm
Barometer	29.96 in (1014.4 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Last update	25 May 5:56 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 May 25, 06:48am until May 25, 07:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch May 25, 06:48am until May 25, 07:00pm
NOW until 7:00pm Mon
Flood Watch
Memorial Day
High: 79 °F
Chance
T-storms
Tonight
Low: 69 °F
Chance
T-storms
Tuesday
High: 81 °F
Showers then
T-storms
Tuesday Night
Low: 72 °F
Chance
T-storms then
Slight Chance
Showers
Wednesday
High: 83 °F
Showers
Likely then
T-storms
Wednesday Night
Low: 72 °F
Chance
T-storms then
Showers
Likely
Thursday
High: 81 °F
Showers then
T-storms
Thursday Night
Low: 71 °F
Chance
T-storms

Detailed Forecast

Memorial Day

A 50 percent chance of showers and thunderstorms. Increasing clouds, with a high near 79. Calm wind becoming east around 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A 40 percent chance of showers and thunderstorms, mainly after 1am. Cloudy, with a low around 69. East wind around 5 mph becoming calm.

Tuesday

Showers and thunderstorms before 11am, then showers and possibly a thunderstorm, mainly after 11am. High near 81. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Tuesday Night

A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Wednesday

Showers and possibly a thunderstorm. High near 83. South wind around 5 mph. Chance of precipitation is 80%.

Wednesday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm. Chance of precipitation is 60%.

Thursday

Showers and possibly a thunderstorm. High near 81. Calm wind becoming south around 5 mph. Chance of precipitation is 90%.

Thursday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Calm wind.

Friday

Showers and possibly a thunderstorm. Partly sunny, with a high near 81. Calm wind becoming south around 5 mph.

Friday Night

A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Calm wind.

Saturday

Showers and thunderstorms likely. Mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon.

Saturday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm.