Daylight through the yearLongest day (Jun 21): 14 h 6 min5:58 am – 8:04 pmShortest day (Dec 21): 10 h 12 min6:51 am – 5:03 pm
Sun todaySunrise –Sunset –
ClimateWarmest month August: highs 90°F, lows 74°FColdest month January: highs 61°F, lows 42°F66 in of rain a year, on about 78 dayswettest month JulySnow is rare64 days above 90°F, 16 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Slidell station, 2 mi away
Parks and public landsBig Branch Marsh National Wildlife Refugenational wildlife refuge · 1.4 mi · 18,319 acresPossum Hollow Parkpark · 1.2 miHeritage Parkpark · 1.3 miPearl River Wildlife Management Areastate conservation land · 3.9 mi · 36,386 acresI-59 Pearl River Rest Areastate recreation area · 5.4 miI-10 Rest Areastate recreation area · 5.5 miSource: USGS Protected Areas Database (PAD-US)
EarthquakesNone of magnitude 3 or more within 50 miles since 1970Source: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighSt. Tammany Parish, LA, compared with all US countiesHigher-risk hazardsHurricane Very HighLightning Relatively HighRiver flooding Relatively HighCold wave Relatively HighSource: FEMA National Risk Index (county level)
Air quality87% of days had good air in 2025315 of 363 days measured47 moderate, 1 unhealthy for sensitive groups daysMedian index 37, worst day 105main pollutant: ozoneSource: US EPA Air Quality Index, St. Tammany County monitors, LA
Drinking waterSlidell Water Supplyserves 35,547 people from ground water1 health-based violation since 2021latest Sep 2022: coliform bacteria, maximum contaminant levelSource: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation4 ft1 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalSlidell Memorial Hospital2.1 miPost officeSlidell Post Office1.3 miTown hallSlidell City Hall1.2 miPoliceSlidell Police Department1.2 miFire stationSaint Tammany Parish Fire Protection District 1 Station 111.2 miSource: USGS National Structures Dataset
SchoolsWithin 2 mi11 schools5 elementary, 3 middle, 1 high, 2 otherElementaryBrock Elementary Schoolunder a mileElementaryAbney Elementary Schoolunder a mileElementaryOur Lady of Lourdes Elementary Schoolunder a mileCollegeNorthshore Technical Community College Lacombe Campus10.2 miSource: USGS National Structures Dataset
Getting aroundAirportLouis Armstrong New Orleans International Airport MSY34 miInterstateI-102.3 miUS highwayUS 11under a mileAmtrakSlidell, LA SDL1.3 miCoachSlidell Fremaux Quick StopGreyhound1.5 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 70459 ZIP area.
