Daylight through the yearLongest day (Jun 21): 14 h 52 min5:38 am – 8:30 pmShortest day (Dec 21): 9 h 28 min7:16 am – 4:44 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 90°F, lows 68°FColdest month January: highs 41°F, lows 22°F40 in of rain a year, on about 69 dayswettest month April14 in of snow a year, on about 12 days44 days above 90°F, 105 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, St Louis Sprt Of S L Ap station; snow from Weldon Spring Nws
Nearby landmarksBoone's Crossing Trailtrailhead · 2.3 miFienup Lakelake · 2.7 miLewis Springspring · 1.7 miDr Edmund A Babler Memorial State Park Visitor Centervisitor center · 2.8 miCharles Fessen Lakelake · 3.6 miBabler Springspring · 2.7 miSource: USGS Geographic Names Information System
Parks and public landsDr. Edmund A. Babler Memorial State Parkstate park · 1.8 mi · 2,292 acresHowell Island Conservation Areastate conservation land · 2.1 mi · 2,707 acresChesterfield Valley Athletic Complexpark · 2.1 mi · 165 acresBabler Southwoods Hollow Natural Areastate conservation land · 2.8 miRailroad Parkpark · 2.3 miWeldon Spring Conservation Areastate conservation land · 3.2 mi · 7,991 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes8 of magnitude 3 or more within 50 miles since 19702 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.2 on 11 Dec 197643 mi away, near Sullivan, MissouriMost recent: magnitude 3.9 on 7 Jun 201142 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively HighSt. Louis City, MO, compared with all US countiesHigher-risk hazardsHeat wave Very HighTornado Very HighEarthquake Relatively HighRiver flooding Relatively HighSource: FEMA National Risk Index (county level)
Air quality34% of days had good air in 2025125 of 365 days measured232 moderate, 6 unhealthy for sensitive groups, 2 unhealthy daysMedian index 55, worst day 738main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, St. Louis City County monitors, MO
Drinking waterMo American St Louis St Charles Countiesserves 1,111,000 people from surface waterNo health-based violations since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation591 ft180 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalCenterPointe Hospital5.0 miPost officeGrover Post Office4.8 miTown hallClarkson Valley City Hall4.3 miPoliceEllisville Police Department4.8 miFire stationMonarch Fire Protection District Station 21.2 miSource: USGS National Structures Dataset
SchoolsWithin 2 mi2 schools1 elementary, 1 otherSchoolBarat Academyunder a mileElementaryChesterfield Elementary School1.1 miCollegeSaint Louis Community College - Wildwood4.9 miSource: USGS National Structures Dataset
Getting aroundAirportSt. Louis Lambert International Airport STL17 miInterstateI-642.2 miUS highwayUS 612.2 miAmtrakKirkwood, MO KWD14 miCoachChesterfield, MO (Chesterfield Mall - Cheesecake Factory - Mall loop)OurBus4.8 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 63006 ZIP area.
