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Grantwood, Missouri Weather

Grantwood, Missouri — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for Grantwood, St. Louis County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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✈️ Aviation Weather

Flight conditions near Grantwood. Data source: locating…

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🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for Grantwood.

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About Grantwood, Missouri

Grantwood unfolds as a verdant expanse where the rolling Missouri landscape gracefully descends, its topography etched by the persistent, patient work of water over millennia. It lies 3.4 miles north-north-west of Mehlville, MO (from Mehlville, MO: bearing 339°T), and is situated 9.4 miles west-south-west of St. Louis. Here, the familiar Midwestern sky, often a canvas of bruised purples and fiery oranges at dusk, presides over a terrain that is neither starkly dramatic nor entirely flat, but possesses a nuanced, almost apologetic charm. Mature oaks and maples, their branches a testament to decades of quiet growth, form a dappled canopy over winding lanes, and the very air, especially after a summer rain, carries a damp, earthy perfume, a subtle reminder of the fertile soil beneath. The character of Grantwood is one of unpretentious beauty, a place where the grandeur of nature is not a boast but a gentle, ever-present companion. The history of Grantwood is intrinsically linked to the broader narrative of St. Louis County's suburban evolution, a story of families seeking respite from the city's clamor while remaining close enough to its pulse. While not defined by a single, dominant industry, its economy has long been sustained by the quiet industry of its residents, many of whom commute to larger employment centers, their daily journeys weaving a modern thread through the older fabric of the community. The area's development reflects a period when the automobile began to reshape American life, transforming rural tracts into desirable residential enclaves, and the legacy of this expansion can be seen in the mature neighborhoods and the enduring appeal of its green spaces. Grantwood, with its well-tended homes and its proximity to the larger parks and trails of the region, offers a sustained sense of established comfort, a community that has found its footing and continues to thrive in its own measured, unhurried way.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Grantwood and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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LocationGrantwood, St. Louis County, Missouri
Coordinates38.55422°N, 90.345117°W
TimezoneCentral Time
ZIP Code(s)63123
Area Code314
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Grantwood, Missouri Weather Page

This page provides live weather conditions and forecasts for Grantwood, Missouri, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. 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 Grantwood includes coordinates 38.554220°N, 90.345117°W, situated in St. Louis County. ZIP code 63123. Telephone area code: 314. Timezone: Central Time.

Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. 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.