Mandeville, Louisiana Weather Conditions

Severe Weather Alerts

Your Weather

To update your location please enter your ZIP code, city, state, airport code or country in the field below. Weather by E-mail: Forecast storm alerts. Weather E-Mail Alert Sign Up »

Current Conditions

  • 72°
  • Clear
  • Wind: Calm
  • Humidity: 93%
  • Visibility: 8.0 miles
  • Dew Point: 70°
  • Pressure: 29.98 in. +

Select a Section

Click a section below for more information.

Next 12 Hours

10  am
1  pm
4  pm
7  pm
10  pm
Chance of a Thunderstorm
Chance of T-storms
Chance of a Thunderstorm
Chance of T-storms
Chance of a Thunderstorm
Chance of T-storms
Partly Cloudy
Partly Cloudy
Overcast
Overcast
81°
86°
84°
82°
77°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Wednesday
  • Chance of a Thunderstorm
  • High: 88 °
  • Low: 72 °
  • Chance of T-Storms
  • Thursday
  • Chance of a Thunderstorm
  • High: 86 °
  • Low: 70 °
  • Chance of T-Storms
  • Friday
  • Chance of a Thunderstorm
  • High: 88 °
  • Low: 72 °
  • Chance of a Thunderstorm
  • Saturday
  • Chance of Rain
  • High: 88 °
  • Low: 70 °
  • Chance of Rain
  • Sunday
  • Chance of a Thunderstorm
  • High: 90 °
  • Low: 70 °
  • Chance of T-Storms

Forecast for Mandeville, Louisiana

Updated: 4:00 AM CDT on September 17, 2014

  • Wednesday

    Partly cloudy with a chance of a thunderstorm and a chance of rain. High of 88F. Winds less than 5 mph. Chance of rain 30%.

  • Wednesday Night

    Overcast. Low of 72F. Winds less than 5 mph.

  • Thursday

    Partly cloudy with a chance of a thunderstorm and a chance of rain. High of 86F. Winds less than 5 mph. Chance of rain 30%.

  • Thursday Night

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

  • Friday

    Overcast with a chance of a thunderstorm and a chance of rain in the morning, then partly cloudy with a chance of a thunderstorm and a chance of rain. High of 88F. Winds from the North at 5 to 10 mph shifting to the ESE in the afternoon. Chance of rain 20%.

  • Friday Night

    Clear with a chance of a thunderstorm and a chance of rain in the evening, then partly cloudy. Low of 72F. Winds from the ESE at 5 to 15 mph.

  • Saturday

    Partly cloudy in the morning, then overcast with a chance of rain. High of 88F. Winds from the East at 10 to 15 mph. Chance of rain 20%.

  • Saturday Night

    Overcast in the evening, then mostly cloudy. Low of 70F. Winds from the ESE at 5 to 15 mph.

  • Sunday

    Partly cloudy in the morning, then overcast with a chance of a thunderstorm and rain. Fog early. High of 90F. Winds from the East at 10 to 15 mph. Chance of rain 40%.

  • Sunday Night

    Clear. Fog overnight. Low of 70F. Winds from the ESE at 5 to 10 mph.

  • Monday

    Partly cloudy. High of 90F. Winds from the East at 5 to 10 mph.

  • Monday Night

    Partly cloudy with a chance of a thunderstorm. Low of 70F. Winds from the SE at 5 to 10 mph shifting to the ENE after midnight. Chance of rain 20%.

  • Tuesday

    Overcast with a chance of a thunderstorm. High of 86F. Winds from the ENE at 5 to 10 mph. Chance of rain 30%.

  • Tuesday Night

    Overcast with a chance of a thunderstorm. Low of 66F. Winds from the NE at 5 to 10 mph. Chance of rain 50%.

  • Wednesday

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

  • Wednesday Night

    Overcast with a chance of a thunderstorm. Low of 66F. Winds from the NE at 5 to 10 mph. Chance of rain 40%.

  • Thursday

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

  • Thursday Night

    Overcast with a chance of rain. Fog overnight. Low of 66F. Winds from the NE at 5 to 10 mph. Chance of rain 40%.

  • Friday

    Partly cloudy. High of 81F. Winds from the NE at 5 to 10 mph.

  • Friday Night

    Partly cloudy. Low of 66F. Winds less than 5 mph.

  • Saturday

    Clear. High of 82F. Winds less than 5 mph.

  • Saturday Night

    Clear. Low of 66F. Winds less than 5 mph.

Severe Weather Alert Descriptions

 Public Information Statement  Statement as of 7:56 am CDT on September 17, 2014


... NOAA Weather Radio in Morgan City is down...

The NOAA Weather Radio transmitter in Morgan City is down.
Technicians have been called to properly diagnose the issue. We
apologize for any inconvenience this may cause and service will be
returned as soon as possible.

Ansorge



Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Soult Street/Molitor Street, Mandeville, LA

Updated: 8:30 AM CDT

Temperature: 73.2 °F Dew Point: 73 °F Humidity: 100% Wind: Calm Pressure: 29.98 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: The Timbers, Mandeville, LA

Updated: 8:30 AM CDT

Temperature: 74.7 °F Dew Point: 74 °F Humidity: 98% Wind: Calm Pressure: 29.97 in Hourly Precipitation: 0.00 in Heat Index: 72 °F Graphs

Location: Woodlands, Mandeville, LA

Updated: 8:30 AM CDT

Temperature: 72.9 °F Dew Point: 73 °F Humidity: 99% Wind: Calm Pressure: 30.01 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Bayou Acres, Mandeville, LA

Updated: 8:18 AM CDT

Temperature: 73.0 °F Dew Point: 72 °F Humidity: 97% Wind: Calm Pressure: 29.99 in Hourly Precipitation: - Heat Index: - Graphs

Location: Old Mandeville, Mandeville, LA

Updated: 8:21 AM CDT

Temperature: 73.4 °F Dew Point: 73 °F Humidity: 98% Wind: Calm Pressure: 29.82 in Hourly Precipitation: - Heat Index: - Graphs

Location: Deval Estates, Mandeville, LA

Updated: 8:30 AM CDT

Temperature: 72.1 °F Dew Point: 71 °F Humidity: 97% Wind: Calm Pressure: 29.82 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: SHARP ROAD, Mandeville, LA

Updated: 8:30 AM CDT

Temperature: 72.3 °F Dew Point: 71 °F Humidity: 96% Wind: Calm Pressure: 29.98 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Mandeville, Mandeville, LA

Updated: 8:22 AM CDT

Temperature: 71.8 °F Dew Point: 71 °F Humidity: 98% Wind: Calm Pressure: 29.96 in Hourly Precipitation: - Heat Index: - Graphs

Location: B and L's in Forest Glen, Lacombe, LA

Updated: 8:14 AM CDT

Temperature: 69.1 °F Dew Point: 69 °F Humidity: 99% Wind: Calm Pressure: 29.94 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Chateau Village Subdivision, Mandeville, LA

Updated: 8:30 AM CDT

Temperature: 73.2 °F Dew Point: 73 °F Humidity: 99% Wind: Calm Pressure: 29.83 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Estates of Northpark, Covington, LA

Updated: 8:18 AM CDT

Temperature: 73.0 °F Dew Point: 72 °F Humidity: 97% Wind: Calm Pressure: 29.88 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: RAWS BIG BRANCH NWR LA US, Lacombe, LA

Updated: 7:47 AM CDT

Temperature: 71 °F Dew Point: 71 °F Humidity: 99% Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Covington / Abita Springs, Covington, LA

Updated: 8:30 AM CDT

Temperature: 72.0 °F Dew Point: 72 °F Humidity: 99% Wind: Calm Pressure: 29.99 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Oak Mill, Lacombe, LA

Updated: 8:30 AM CDT

Temperature: 73.0 °F Dew Point: 73 °F Humidity: 100% Wind: Calm Pressure: 29.97 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Covington near Terra Bella Village, Covington, LA

Updated: 8:30 AM CDT

Temperature: 73.8 °F Dew Point: 73 °F Humidity: 98% Wind: Calm Pressure: 29.98 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: River Forest, Covington, LA

Updated: 9:19 AM EDT

Temperature: 72.9 °F Dew Point: 73 °F Humidity: 99% Wind: Calm Pressure: 29.87 in Hourly Precipitation: - Heat Index: - Graphs

Location: Port Louis, Madisonville, LA

Updated: 8:30 AM CDT

Temperature: 73.7 °F Dew Point: 28 °F Humidity: 18% Wind: NNW at 1.0 mph Pressure: 29.98 in Hourly Precipitation: 0.00 in Heat Index: 75 °F Graphs

Location: River Forest, Covington, LA

Updated: 8:30 AM CDT

Temperature: 73.6 °F Dew Point: 73 °F Humidity: 97% Wind: Calm Pressure: 29.97 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: RAWS SELA PORTABLE LA US, Lacombe, LA

Updated: 7:34 AM CDT

Temperature: 71 °F Dew Point: 71 °F Humidity: 100% Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Near Tchefuncte River Flood Gauge, Covington, LA

Updated: 8:29 AM CDT

Temperature: 74.1 °F Dew Point: 74 °F Humidity: 99% Wind: Calm Pressure: 29.65 in Hourly Precipitation: - Heat Index: 70 °F Graphs

Location: NorthPointe Business Park, Covington, LA

Updated: 8:23 AM CDT

Temperature: 73.2 °F Dew Point: 72 °F Humidity: 97% Wind: Calm Pressure: 29.97 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Windermere Subdivision, Madisonville, LA

Updated: 8:30 AM CDT

Temperature: 73.0 °F Dew Point: 72 °F Humidity: 98% Wind: Calm Pressure: 29.97 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Bayou Liberty, Slidell, LA

Updated: 8:23 AM CDT

Temperature: 72.2 °F Dew Point: 70 °F Humidity: 91% Wind: Calm Pressure: 29.98 in Hourly Precipitation: - Heat Index: - Graphs

Location: Timber Ridge, Slidell, LA

Updated: 8:30 AM CDT

Temperature: 73.1 °F Dew Point: 70 °F Humidity: 90% Wind: Calm Pressure: 29.97 in Hourly Precipitation: 0.00 in Heat Index: 71 °F Graphs

Location: Hickory, Pearl River, LA

Updated: 8:28 AM CDT

Temperature: 73.3 °F Dew Point: 71 °F Humidity: 93% Wind: Calm Pressure: 29.94 in Hourly Precipitation: 0.00 in Heat Index: 70 °F Graphs

Location: Slidell, LA

Updated: 8:26 AM CDT

Temperature: 73.0 °F Dew Point: 73 °F Humidity: 100% Wind: NNE at 1.0 mph Pressure: 29.97 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: West Saint Tammany, Covington, LA

Updated: 8:30 AM CDT

Temperature: 73.6 °F Dew Point: 73 °F Humidity: 99% Wind: NE at 1.6 mph Pressure: 29.92 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: LAKEVIEW DR., Slidell, LA

Updated: 8:26 AM CDT

Temperature: 75.6 °F Dew Point: 73 °F Humidity: 92% Wind: North at 4.0 mph Pressure: 29.96 in Hourly Precipitation: 0.00 in Heat Index: 75 °F Graphs

Location: Pearl Hickory, Pearl River, LA

Updated: 8:27 AM CDT

Temperature: 74.7 °F Dew Point: 73 °F Humidity: 95% Wind: Calm Pressure: 29.73 in Hourly Precipitation: - Heat Index: 73 °F Graphs

Location: Michigan Ave. The Roy's, Slidell, LA

Updated: 8:30 AM CDT

Temperature: 74.7 °F Dew Point: 73 °F Humidity: 95% Wind: Calm Pressure: 29.94 in Hourly Precipitation: 0.00 in Heat Index: 73 °F Graphs

Location: Dragonfly, Bush, LA

Updated: 8:30 AM CDT

Temperature: 72.4 °F Dew Point: 72 °F Humidity: 98% Wind: Calm Pressure: 29.86 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Tammany Yacht Club, Slidell, LA

Updated: 6:30 AM MST

Temperature: 75.8 °F Dew Point: 73 °F Humidity: 90% Wind: ENE at 4.0 mph Pressure: 29.98 in Hourly Precipitation: 0.00 in Heat Index: 76 °F Graphs

Location: Eden Isles, Slidell, LA

Updated: 9:30 AM EDT

Temperature: 76.1 °F Dew Point: 74 °F Humidity: 93% Wind: Calm Pressure: 29.96 in Hourly Precipitation: 0.00 in Heat Index: 76 °F Graphs

Location: Oak Harbor, K4QAL, Slidell, LA

Updated: 8:30 AM CDT

Temperature: 77.5 °F Dew Point: 73 °F Humidity: 87% Wind: NE at 1.0 mph Pressure: 29.96 in Hourly Precipitation: 0.00 in Heat Index: 79 °F Graphs

Location: Huckleberry Lane, Folsom, LA

Updated: 8:18 AM CDT

Temperature: 72.8 °F Dew Point: 72 °F Humidity: 97% Wind: Calm Pressure: 29.95 in Hourly Precipitation: - Heat Index: - Graphs

Location: Bayou Canada West, Ponchatoula, LA

Updated: 8:20 AM CDT

Temperature: 74.1 °F Dew Point: 74 °F Humidity: 99% Wind: Calm Pressure: 30.00 in Hourly Precipitation: - Heat Index: 70 °F Graphs

Location: Bayou Canada North, Ponchatoula, LA

Updated: 8:30 AM CDT

Temperature: 73.9 °F Dew Point: 74 °F Humidity: 100% Wind: Calm Pressure: 30.02 in Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: Bayou Canada South, Ponchatoula, LA

Updated: 8:30 AM CDT

Temperature: 73.5 °F Dew Point: 73 °F Humidity: 98% Wind: Calm Pressure: 29.99 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 
826 am CDT Wednesday Sep 17 2014 


..sounding discussion... 


The moisture content in the atmospheric column remains well above 
climatological values near 2.25 inches as it has since Monday 
evening. While the atmosphere still has instability...it is not as 
great as yesterday at this time with the lifted index at -4.5 and 
MLCAPES around 400 j/kg. Storms that form will move slowly around 
3 knots as the low and middle-level winds are generally are light. 
Wind direction throughout much of the sounding this morning are 
from the northwest or west and a peak wind of 63 knots was found 
at 43000 feet. 


12z balloon info: a routine flight this morning that terminated 
27.6 miles downrange over Lake Borgne at a height of 21 miles above 
the ground. 


Ansorge 


&& 


Previous discussion... /issued 315 am CDT Wednesday Sep 17 2014/ 


Short term... 
the forecast area has transitioned to a northwest flow pattern 
aloft with troughing along the Atlantic coast and ridging over the 
inter-mountain west. Meanwhile...remnants of Hurricane Odile 
entering the Desert Southwest and will be the main weather 
headliner today. Closer to Home...Lake and Gulf Breeze boundaries 
should become the focus of convection but may be delayed in onset 
into the middle-afternoon hours with northwest flow. There are some 
concerns of nocturnal convection with vorticity complex indicated 
in GFS dropping into the region from Texas as an apparent 
perturbation emanating from the Odile associated trough. The European model (ecmwf) 
shows similar vorticity streak but void of precipitation 
overnight. At this time will maintain lower probability of precipitation but this may need 
adjusting based on in situ conditions this evening. Temperatures 
will remain near normal but hourly temperatures will be subjected 
to rain cooling and thick anvil cloud cover after convection takes 
hold today and Thursday. Morning cloud cover Thursday may need to 
erode before getting diurnal temperature trends re-established. 


Long term... 
northwest flow regime will dictate weather across the forecast 
area through the weekend. Such a regime in Summer can be 
bothersome in that subtle vorticity structures or mesoscale 
convective vortices /MCV/ dropping down the face of ridging can 
sustain convection in an unconventional off-climes manner. 
Precipitation onset is typically delayed until after 3 PM in these 
regimes and can persist until around or shortly after midnight. 
The GFS does indicate this notion for Thursday night. If this 
scenario does occur...then Friday should see lesser coverage over 
land areas but pretty active in the coastal waters...especially 
associated with the passage of an easterly wave across the middle 
Gulf over the weekend. Of course...persistent troughing over the 
eastern United States will favor frontogenesis and this appears to 
be with a strong Canadian high pressure system that drops into the 
upper part of the country Sunday before shunting east Monday. This 
should have enough density to push a front into the forecast area 
Monday that will then become sluggish until the southern fringe of 
the ridge gets induced farther south by middle of next week. More 
Continental influences may suppress Gulf Breeze cycle for a few 
days and the frontal zone disrupts the steady stateness. Despite 
the non-climatological weather regime...temperatures should remain 
seasonably near normal for much of the forecast period and rain 
chances will likely be somewhat below normal from Friday through 
Sunday and again on Tuesday. 24/rr 


Aviation... 
some patches of MVFR visibility in light radiational fog at a few 
terminals this morning. These conditions should improve by middle- 
morning for general VFR conditions. Convective onset may be 
delayed until after 19z at most locations and may carry over 
03z before ending with anvil dissipation light rainfall after 
sunset. 


Marine... 
a rather flat pressure field today and Thursday will undergo some 
gradient tightening a bit Friday that should be a solid easterly 
flow around 15 knots as an easterly wave passes through the middle 
Gulf. High pressure builds southward through the lower 
Appalachians over the weekend that may maintain the easterly flow 
through the weekend before a cold front enters the north Gulf 
Monday. The initial frontal zone may be too shallow to realize any 
sensible affects in the marine areas until more Continental air 
finally nudges off the coast on Tuesday. 


Decision support... 
dss code...green. 
Deployed...none. 
Activation...none. 
Activities...slurry support and supporting uscg south-southwest of Pascagoula. 


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 90 72 90 69 / 20 10 20 20 
btr 90 73 88 70 / 30 10 40 20 
asd 89 73 86 70 / 30 10 30 20 
msy 88 76 84 74 / 30 10 30 20 
gpt 89 74 87 71 / 30 10 20 20 
pql 90 70 88 67 / 30 10 10 20 


&& 


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


$$ 














National Weather Service Glossary of Abbreviations

Non-Expanded Version (with abbreviations)

Powered by the Weather Underground, Inc.