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 Advisory in effect from May 21, 05:42 PM CDT until May 21, 08:45 PM CDT

Current conditions at

Slidell, Slidell Airport (KASD)

Lat: 30.34°NLon: 89.82°WElev: 30ft.

Thunderstorm in Vicinity Rain

74°F

23°C

Humidity	97%
Wind Speed	Vrbl 3 mph
Barometer	29.92 in (1013.3 mb)
Dewpoint	73°F (23°C)
Visibility	8.00 mi
Last update	21 May 5:53 pm CDT

More Information:

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

Extended Forecast for

Slidell LA

Flood Advisory until May 21, 08:45pm

Click here for hazard details and duration

...

Flood Advisory until May 21, 08:45pm
NOW until 8:45pm Thu
Flood Advisory
Tonight
Low: 72 °F
T-storms then
Chance
T-storms
Friday
High: 85 °F
Chance
T-storms
Friday Night
Low: 73 °F
Chance
T-storms
Saturday
High: 87 °F
Showers
Likely then
T-storms
Saturday Night
Low: 73 °F
T-storms
Likely then
Chance
Showers
Sunday
High: 84 °F
Showers then
T-storms
Sunday Night
Low: 73 °F
Showers
Memorial Day
High: 83 °F
Showers then
T-storms

Detailed Forecast

Tonight

Showers and thunderstorms, mainly before 9pm. Low around 72. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. South wind around 5 mph. New rainfall amounts between a half and three quarters of an inch possible.

Friday Night

A 40 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 73. East wind around 5 mph becoming calm.

Saturday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. High near 87. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%.

Saturday Night

Showers and thunderstorms likely before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm. Chance of precipitation is 60%.

Sunday

Showers and possibly a thunderstorm. High near 84. Light southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 90%.

Sunday Night

Showers and possibly a thunderstorm. Low around 73. South wind around 5 mph becoming calm. Chance of precipitation is 80%.

Memorial Day

Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 83. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 90%.

Monday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm in the evening.

Tuesday

Showers and possibly a thunderstorm. Mostly cloudy, with a high near 84. Light southeast wind increasing to 5 to 10 mph in the morning.

Tuesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm in the evening.

Wednesday

Showers and thunderstorms likely. Partly sunny, with a high near 86. Light southeast wind increasing to 5 to 10 mph in the morning.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm in the evening.

Thursday

Showers and thunderstorms likely. Mostly cloudy, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon.