Arnold, Missouri Weather
Arnold, Missouri — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery for Arnold, Jefferson County.
Full aviation weather for Arnold is published on the St Louis Downtown Airport (KCPS) page, 25 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of Arnold have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Arnold: Creve Coeur Airport (K1H0) 35 km · Spirit of St Louis Airport (KSUS) 35 km · St. Louis Lambert International Airport (KSTL) 35 km · St Charles County Regional Airport/Smartt Field (KSET) 55 km · Washington Regional Airport (KFYG) 56 km
Conditions reported at KCPS describe the airfield itself. Weather 25 km away can differ, particularly in terrain or near the coast. For conditions at Arnold specifically, see the current conditions and forecast above.
About Arnold, Missouri
Arnold breathes with the quiet persistence of the Missouri Ozarks, a place where the rolling terrain dictates a slower pace. It lies 4.7 miles west-south-west of Oakville, MO (from Oakville, MO: bearing 237°T), and is situated 6.0 miles south-south-west of Mehlville. The land here is a tapestry of dense woodlands, their leafy canopies giving way to sun-dappled clearings and the occasional glimpse of a deep, shadowed ravine. Creeks, born from the spring-fed hills, thread their way through the landscape, their cool waters murmuring secrets to the moss-covered rocks. The air, especially in the early morning, carries the scent of damp earth and pine, a refreshing balm after the humid embrace of summer. Even the houses, scattered with a comfortable distance from one another, seem to settle into the contours of the land, as if they too have grown from the very soil of Arnold. The story of Arnold is one of resilience and adaptation, a narrative shaped by the rich mineral deposits that once drew prospectors and the fertile ground that sustained farming communities. Though the heavy industries of the past have largely receded, their echoes can still be felt in the character of the place, a quiet strength passed down through generations. Today, the local economy hums with a more diverse rhythm, supporting small businesses and serving the needs of families who appreciate Arnold’s blend of rural tranquility and accessible amenities. Nearby, the majestic Meramec River offers a constant, flowing presence, a vital artery for recreation and a reminder of the enduring power of nature that defines this corner of Jefferson County.
Live animated radar for Arnold and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Arnold, Jefferson County, Missouri |
| Coordinates | 38.432832°N, 90.377619°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 63010 |
| Area Code | 314 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Arnold, Missouri Weather Page
This page provides live weather conditions and forecasts for Arnold, Missouri, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Arnold includes coordinates 38.432832°N, 90.377619°W, situated in Jefferson County. ZIP code 63010. Telephone area code: 314. Timezone: Central Time (America/Chicago).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
