New Orleans, Louisiana Weather Conditions

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Current Conditions

  • 78°
  • Clear
  • Wind: NNE 7 mph
  • Humidity: 84%
  • Visibility: 10.0 miles
  • Dew Point: 73°
  • Pressure: 29.85 in. -

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Next 12 Hours

4  am
7  am
10  am
1  pm
4  pm
Chance of Rain
Chance of Rain
Chance of a Thunderstorm
Chance of T-storms
Chance of a Thunderstorm
Chance of T-storms
Chance of a Thunderstorm
Chance of T-storms
Chance of a Thunderstorm
Chance of T-storms
77°
75°
79°
82°
84°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Tuesday
  • Chance of a Thunderstorm
  • High: 84 °
  • Low: 75 °
  • Chance of a Thunderstorm
  • Wednesday
  • Chance of a Thunderstorm
  • High: 84 °
  • Low: 75 °
  • Chance of T-Storms
  • Thursday
  • Chance of a Thunderstorm
  • High: 86 °
  • Low: 77 °
  • Chance of T-Storms
  • Friday
  • Chance of a Thunderstorm
  • High: 84 °
  • Low: 66 °
  • Chance of T-Storms
  • Saturday
  • Clear
  • High: 81 °
  • Low: 63 °
  • Clear

Forecast for New Orleans, Louisiana

Updated: 4:00 AM CDT on September 30, 2014

  • Tuesday

    Partly cloudy with a chance of a thunderstorm and a chance of rain. High of 84F with a heat index of 90F. Winds from the East at 5 to 10 mph. Chance of rain 20%.

  • Tuesday Night

    Partly cloudy with a chance of rain. Low of 75F. Winds from the SE at 5 to 10 mph. Chance of rain 20%.

  • Wednesday

    Partly cloudy with a chance of a thunderstorm and a chance of rain. High of 84F. Winds from the ESE at 5 to 10 mph. Chance of rain 30%.

  • Wednesday Night

    Mostly cloudy with a chance of a thunderstorm and a chance of rain. Low of 75F. Winds from the SSE at 5 to 10 mph. Chance of rain 20%.

  • Thursday

    Mostly cloudy with a chance of a thunderstorm and a chance of rain. High of 86F. Winds from the SSE at 5 to 10 mph. Chance of rain 50% with rainfall amounts near 0.3 in. possible.

  • Thursday Night

    Mostly cloudy with a chance of a thunderstorm and a chance of rain in the evening, then clear. Low of 77F. Winds from the SSW at 10 to 15 mph.

  • Friday

    Mostly cloudy with a chance of a thunderstorm and rain. High of 84F with a heat index of 90F. Winds from the WSW at 10 to 15 mph. Chance of rain 70% with rainfall amounts near 0.3 in. possible.

  • Friday Night

    Partly cloudy with a chance of a thunderstorm and rain. Low of 66F. Breezy. Winds from the North at 15 to 20 mph.

  • Saturday

    Clear. High of 81F. Winds from the NNE at 10 to 15 mph.

  • Saturday Night

    Clear. Low of 63F. Winds from the ENE at 5 to 10 mph.

  • Sunday

    Clear. High of 81F. Winds from the SE at 5 to 15 mph.

  • Sunday Night

    Clear. Low of 72F. Winds from the SSE at 10 to 15 mph.

  • Monday

    Clear with a chance of a thunderstorm. High of 84F. Winds from the SSE at 5 to 10 mph. Chance of rain 20%.

  • Monday Night

    Clear. Low of 73F. Winds from the SSE at 5 to 10 mph.

  • Tuesday

    Partly cloudy with a chance of a thunderstorm. High of 81F. Winds from the SE at 5 to 15 mph. Chance of rain 40%.

  • Tuesday Night

    Clear. Low of 66F. Winds from the NE at 5 to 15 mph.

  • Wednesday

    Clear. High of 82F. Winds from the NE at 5 to 10 mph.

  • Wednesday Night

    Clear. Fog overnight. Low of 68F. Winds less than 5 mph.

  • Thursday

    Clear with a chance of a thunderstorm. High of 81F. Winds from the ENE at 5 to 10 mph. Chance of rain 40%.

  • Thursday Night

    Clear. Fog overnight. Low of 70F. Winds less than 5 mph.

  • Friday

    Clear with a chance of a thunderstorm. High of 81F. Winds less than 5 mph. Chance of rain 40%.

  • Friday Night

    Clear. Fog overnight. Low of 70F. Winds less than 5 mph.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Mid City Station, New Orleans, LA

Updated: 4:45 AM CDT

Temperature: 73.1 °F Dew Point: 68 °F Humidity: 83% Wind: Calm Pressure: 29.84 in Hourly Precipitation: 0.00 in Heat Index: 73 °F Graphs

Location: Harvey Canal, Harvey, LA

Updated: 4:45 AM CDT

Temperature: 73.9 °F Dew Point: 73 °F Humidity: 96% Wind: Calm Pressure: 29.86 in Hourly Precipitation: 0.00 in Heat Index: 71 °F Graphs

Location: David Crockett Fire Co. No.1, Gretna, LA

Updated: 4:32 AM CDT

Temperature: 75.3 °F Dew Point: 72 °F Humidity: 90% Wind: NE at 2.0 mph Pressure: 29.84 in Hourly Precipitation: 0.00 in Heat Index: 75 °F Graphs

Location: Uptown, New Orleans, LA

Updated: 4:44 AM CDT

Temperature: 73.5 °F Dew Point: 74 °F Humidity: 100% Wind: Calm Pressure: 29.91 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: gentilly terrace 6$, New Orleans, LA

Updated: 4:42 AM CDT

Temperature: 74.2 °F Dew Point: 73 °F Humidity: 96% Wind: Calm Pressure: 29.87 in Hourly Precipitation: 0.00 in Heat Index: 71 °F Graphs

Location: Riverbend - SnoWizard, New Orleans, LA

Updated: 4:42 AM CDT

Temperature: 75.0 °F Dew Point: 74 °F Humidity: 97% Wind: Calm Pressure: 29.84 in Hourly Precipitation: 0.00 in Heat Index: 73 °F Graphs

Location: Gentilly Terrace, New Orleans, LA

Updated: 4:45 AM CDT

Temperature: 73.6 °F Dew Point: 73 °F Humidity: 99% Wind: Calm Pressure: 29.85 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Gulf Coast Special Systems, Gretna, LA

Updated: 4:44 AM CDT

Temperature: 74.3 °F Dew Point: 72 °F Humidity: 94% Wind: Calm Pressure: 29.87 in Hourly Precipitation: 0.00 in Heat Index: 72 °F Graphs

Location: Lakeview East, New Orleans, LA

Updated: 4:37 AM CDT

Temperature: 72.5 °F Dew Point: 71 °F Humidity: 94% Wind: Calm Pressure: 29.84 in Hourly Precipitation: - Heat Index: - Graphs

Location: Audubon Park-Patton St., New Orleans, LA

Updated: 4:31 AM CDT

Temperature: 73.0 °F Dew Point: 71 °F Humidity: 92% Wind: Calm Pressure: 29.85 in Hourly Precipitation: - Heat Index: 70 °F Graphs

Location: Birdie Crossing - Old Metairie, Metairie, LA

Updated: 4:45 AM CDT

Temperature: 73.4 °F Dew Point: 73 °F Humidity: 99% Wind: Calm Pressure: 29.68 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Lakeview, NOLA, New Orleans, LA

Updated: 4:45 AM CDT

Temperature: 73.3 °F Dew Point: 72 °F Humidity: 95% Wind: Calm Pressure: 29.85 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Elmeer Ave., Metairie, LA

Updated: 4:45 AM CDT

Temperature: 74.5 °F Dew Point: 74 °F Humidity: 98% Wind: Calm Pressure: 29.84 in Hourly Precipitation: 0.00 in Heat Index: 71 °F Graphs

Location: West Lakeshore, New Orleans, LA

Updated: 4:45 AM CDT

Temperature: 74.4 °F Dew Point: 74 °F Humidity: 99% Wind: NW at 2.0 mph Pressure: 29.82 in Hourly Precipitation: 0.00 in Heat Index: 71 °F Graphs

Location: Barkley Estates, Harvey, LA

Updated: 4:32 AM CDT

Temperature: 75.0 °F Dew Point: 58 °F Humidity: 55% Wind: Calm Pressure: 29.77 in Hourly Precipitation: - Heat Index: 78 °F Graphs

Location: Plantation Estates, Marrero, LA

Updated: 4:40 AM CDT

Temperature: 72.5 °F Dew Point: 72 °F Humidity: 97% Wind: Calm Pressure: 29.85 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Cleary & W. Napolean Ave, Metairie, LA

Updated: 4:45 AM CDT

Temperature: 74.7 °F Dew Point: 71 °F Humidity: 89% Wind: Calm Pressure: 30.01 in Hourly Precipitation: 0.00 in Heat Index: 74 °F Graphs

Location: Metairie Wx Central, Metairie, LA

Updated: 4:31 AM CDT

Temperature: 75.3 °F Dew Point: 74 °F Humidity: 96% Wind: NNE at 1.0 mph Pressure: 29.86 in Hourly Precipitation: 0.00 in Heat Index: 74 °F Graphs

Location: Bridgedale, Metairie, LA

Updated: 4:31 AM CDT

Temperature: 74.0 °F Dew Point: 73 °F Humidity: 95% Wind: Calm Pressure: 29.85 in Hourly Precipitation: 0.00 in Heat Index: 71 °F Graphs

Location: Cleary Farms, Metairie, LA

Updated: 4:44 AM CDT

Temperature: 77.3 °F Dew Point: 76 °F Humidity: 96% Wind: Calm Pressure: 29.86 in Hourly Precipitation: 0.00 in Heat Index: 79 °F Graphs

Location: Hickory Ridge Estates, Harahan, LA

Updated: 4:45 AM CDT

Temperature: 72.4 °F Dew Point: 72 °F Humidity: 97% Wind: Calm Pressure: 29.81 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Gordon Ave., Harahan, LA

Updated: 4:45 AM CDT

Temperature: 72.9 °F Dew Point: 72 °F Humidity: 95% Wind: Calm Pressure: 29.85 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: HOV/BCO/BCEL, Belle Chasse, LA

Updated: 4:44 AM CDT

Temperature: 72.5 °F Dew Point: 71 °F Humidity: 96% Wind: Calm Pressure: 29.83 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Gretna / Terrytown 3S, Gretna, LA

Updated: 4:45 AM CDT

Temperature: 73.0 °F Dew Point: 70 °F Humidity: 89% Wind: NE at 3.0 mph Pressure: 29.88 in Hourly Precipitation: 0.00 in Heat Index: 71 °F Graphs

Location: Willowdale, Metairie, LA

Updated: 4:34 AM CDT

Temperature: 73.6 °F Dew Point: 72 °F Humidity: 95% Wind: NE at 1.1 mph Pressure: 29.76 in Hourly Precipitation: - Heat Index: 70 °F Graphs

Location: SpringWood Estates, Belle Chasse, LA

Updated: 4:45 AM CDT

Temperature: 70.9 °F Dew Point: 68 °F Humidity: 92% Wind: Calm Pressure: 29.86 in Hourly Precipitation: - Heat Index: - Graphs

Location: Plaquemines Parish HS/EP, Belle Chasse, LA

Updated: 4:39 AM CDT

Temperature: 72.8 °F Dew Point: 68 °F Humidity: 85% Wind: Calm Pressure: 29.87 in Hourly Precipitation: 0.00 in Heat Index: 72 °F Graphs

Location: Little Farms, River Ridge, LA

Updated: 4:45 AM CDT

Temperature: 71.6 °F Dew Point: 70 °F Humidity: 96% Wind: North at - Pressure: 29.88 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: DeSoto, Metairie, LA

Updated: 4:45 AM CDT

Temperature: 72.7 °F Dew Point: 72 °F Humidity: 97% Wind: Calm Pressure: 29.81 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Douglas Park, River Ridge, LA

Updated: 4:45 AM CDT

Temperature: 73.3 °F Dew Point: 70 °F Humidity: 88% Wind: Calm Pressure: 29.61 in Hourly Precipitation: 0.00 in Heat Index: 72 °F Graphs

Location: Tallulah Subdivision, River Ridge, LA

Updated: 4:45 AM CDT

Temperature: 72.5 °F Dew Point: 72 °F Humidity: 99% Wind: Calm Pressure: 29.78 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Concession, Belle Chasse, LA

Updated: 4:40 AM CDT

Temperature: 72.4 °F Dew Point: 71 °F Humidity: 95% Wind: Calm Pressure: 29.78 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion




Area forecast discussion 
National Weather Service New Orleans la 
403 am CDT Tuesday Sep 30 2014 


Short term...models really struggled with the depth and surge of dry 
air that occurred yesterday. 3-4 days ago they suggested we would 
dry out for Monday and Tuesday but then Sat night they began to suggest the 
boundary would hold further north and moisture would not leave the 
region along with scattered rain showers Monday and today. This was even with what 
should be a short wave ridge moving across the area which would suggest 
subsidence and a big negative on rain chances. Well we should have 
stuck with our GUNS yesterday and kept the forecast dry but will do so 
today. 


Short wave ridging is already moving into the area as the l/west trough slowly 
pushes east over the Continental Divide today. Last night precipitable waters  just 
off to the north were near 1.5 while our boundary drifted well into the 
Gulf. Combine all that with weak northwest flow aloft and it helped keep 
things quiet yesterday. As for today moisture is expected to drop 
even further across much of sela and southern MS along with the ridge 
moving through. This should mean another day of relatively quiet 
weather and actually few clouds in the sky. Enjoy it as this very 
well could be the last dry day until this weekend. 


As we move into Tuesday night and more so Wednesday and Thursday...moisture will be 
back on the rise and our short wave ridge will flatten out and shift to the 
east. By Wednesday precipitable waters  should be back around 2 inch with developing west-southwest 
flow aloft. This will likely send a weak impulse into the region. 
This combined with the increase in moisture and daytime heating 
should allow for scattered convection Wednesday. 


The l/west trough moving across the plains will sharpen and continue to 
slide east. This will increase the SW flow aloft over the region 
with greater broad scale lift in place. Broad divergence aloft will 
also be in place and this along with a rather moist airmass should 
lead to scattered to possibly numerous rain showers and thunderstorms and rain Thursday with convection 
possibly increasing late Thursday/Thursday night as our cold front begins to 
approach the lower MS valley. /Cab/ 


Long term...nothing has really changed in the extended portion of 
the forecast. The medium range models continue to be in great agreement 
with the passage of our first true cold front. Only very minor 
timing and strength differences but overall good agreement. They all 
continue to trend a tad cooler with the European model (ecmwf) the coldest. Again 
will use a blend of the models but will give a little more weight to 
the European model (ecmwf) given the trends. 


Friday will be the last day that we will see convection in the forecast. A 
strong middle level jet dropping out of western Canada will sharpen the l/west 
trough over the central Continental U.S. And cause it to dig as it moves into the 
eastern Continental U.S. Friday night with a closed low likely developing over the Great 
Lakes region. This will drive a cold front through the region Friday 
and with the strong push this front could reach the coast by 
midday/early afternoon Friday. Rain showers and thunderstorms and rain will be likely ahead and with 
the front with some lingering light rain showers immediately behind the 
front but dry cold air will quickly push in Friday afternoon. As for strong 
severe potential...there will be some instability to work with but middle 
level flow will not be that impressive. In addition middle level lapse 
rates are rather shallow and Vermont will only be around 24-25c. Cant 
rule out a rogue strong/severe storm or two but overall not impressed 
with the severe potential with this system. 


Heading into Friday night and this weekend look for our first real 
taste of autumn. Strong cold air advection overnight Friday will overcome any 
mixing from winds and will cool things off impressively with lows 
Sat morning likely ranging from the upper 50s in southwestern MS to middle 60s 
along the coast. If the front is any faster then lows could be a few 
degrees cooler. That said look for Sun morning to be the coldest 
morning since middle may. Dewpoints are expected to drop into the lower 
40s if not the 30s across the region and Sat night optimal rad 
cooling conditions could set up. There are some timing differences 
b/T the models with respect to the surface high but it looks like it will 
sit right over the region that night providing rather light winds. 
Skies should be clear and ll temperatures will not be warming yet and all 
of this would be great for rad cooling potential. If the surface high 
pushes east a tad faster than we may start to see return flow in the 
ll which could Hurt lows but the other limiting factor could be 
ground moisture. If we overachieve with the rainfall on Friday then 
there could still be enough moisture to Hurt the cooling potential. 
As mentioned earlier the trend from all of the mlds has been to go a 
little cooler with each model run and see no reason to disagree with 
this. The European model (ecmwf) has been the most bullish and actually shows middle 40s 
in southwestern MS. Not going to bite on that quite yet but will show 50 for 
mcb and lower 50s along and north of the 10/12 corridor. /Cab/ 


&& 


Aviation... 


Mostly light fog with MVFR conditions is expected to develop at a 
hum...mcb...btr...asd and hdc...mainly between 09-13z. Brief or 
tempo IFR will be possible at hum and mcb. Cloud cover should be 
less than Monday and VFR conditions will prevail after 14z this 
morning through 06z Wednesday. Isolated rain showers this afternoon may 
briefly impact hum...new...msy and btr...very isolated so will not 
mention at this time. 18 


&& 


Marine... 


Light east to southeast will prevail...occasionally variable through 
this evening. Onshore flow will begin to develop late tonight into 
Wednesday. This flow will increase Wednesday night into Thursday as 
the pressure gradient increases between a departing high over the 
eastern Seaboard and developing low in the plains. A strong cold 
front will push across the coastal waters Friday and Friday night. 
1000 to 700mb thickness layer decrease about 60m to 70m behind the 
front according to GFS and Euro. GFS shows warm air advection as the 
main trough moves to the East Coast Saturday and surface high over 
the area. Euro hold cold air advection longer into Saturday night. 
Later packages will examine the duration of off shore winds over the 
weekend. All in all...a Small Craft Advisory headlines may be needed 
for Friday night into Saturday. 18 


&& 


Decision support... 
dss code...green. 
Deployed...none. 
Activation...none. 
Activities...slurry support. 


Decision support services (dss) code legend 
green = no weather impacts that require action 
blue = long fused watch/warning/advisory in effect or high 
visibility event 
yellow = heightened impacts with short fused 
watch/warning/advisory issuances; radar support 
Orange = high impacts - slight to moderate risk severe; nearby 
tropical events; hazmat or other large episodes 
red = full engagement for moderate to high risk severe 
and/or direct tropical threats; events of National 
significance. 


&& 


Preliminary point temps/pops... 
mcb 87 70 86 72 / 10 10 30 30 
btr 88 71 87 73 / 10 10 40 30 
asd 86 69 86 72 / 10 10 20 20 
msy 85 74 86 75 / 20 10 40 30 
gpt 85 70 85 73 / 10 20 20 20 
pql 85 66 85 70 / 10 20 20 20 


&& 


Lix watches/warnings/advisories... 
la...none. 
GM...none. 
MS...none. 
GM...none. 
&& 


$$ 


Short/long term: cab 
aviation/marine: 18 








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