O'Fallon, Missouri Weather
O'Fallon, Missouri — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for O'Fallon, St. Louis (city).
Flight conditions near O'Fallon. Data source: locating…
Soil conditions, frost risk and crop weather for O'Fallon.
About O'Fallon, Missouri
O'Fallon rises from the gently rolling Missouri landscape, a place where the sky feels vast and the air, especially in the early morning, carries a hint of damp earth and distant fields. It lies 3.5 miles north-north-west of Saint Louis, MO (from Saint Louis, MO: bearing 331°T), and is situated 3.5 miles north-north-west of St. Louis. The terrain here, a softened echo of the broader Ozark foothills, presents itself in broad, sweeping vistas rather than sharp, dramatic peaks. Verdant lawns and mature trees, remnants of older homesteads, punctuate the newer developments, creating a comfortable, lived-in character. During the summer evenings, the light softens to a buttery glow, painting the western sky in hues of rose and lavender, a quiet beauty that settles over the neighborhoods like a warm breath. The roots of O'Fallon run deep into the agricultural past of St. Louis County, a history that still whispers in the names of its streets and the enduring presence of open spaces. Once a landscape of fertile farmland, its economy has steadily diversified, embracing a modern blend of retail, services, and light industry, yet the echo of its agrarian origins remains. The spirit of its founding fathers, who saw potential in this fertile ground, continues to shape O'Fallon's identity, fostering a sense of community that is both progressive and grounded. This enduring legacy is visible in the way families gather at local parks and community events, a quiet testament to a shared past and a hopeful future.
Live animated radar for O'Fallon 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 | O'Fallon, St. Louis (city), Missouri |
| Coordinates | 38.6722°N, 90.2295°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 63115, 63367 |
| Area Code | 314 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This O'Fallon, Missouri Weather Page
This page provides live weather conditions and forecasts for O'Fallon, 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 O'Fallon includes coordinates 38.672200°N, 90.229500°W, situated in St. Louis (city). ZIP code 63115, 63367. 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. 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.
