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OFallon, Missouri Weather

OFallon, Missouri — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for OFallon, St. Charles 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 OFallon — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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🌿 Air Quality
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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for OFallon 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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About OFallon, Missouri

OFallon unfolds across the gentle, rolling terrain of St. Charles County, where the broad, fertile plains of Missouri give way to a landscape of suburban grace. The air here, particularly in the languid afternoons of summer, carries the faint, sweet perfume of mown grass and blooming honeysuckle, a testament to the cultivated fields that once dominated this land. Wide avenues, lined with mature oak and maple trees, trace the contours of the earth, their branches forming a verdant canopy that filters the sunlight into shifting patterns on the well-kept sidewalks. Parks, dotted with playgrounds and picnic shelters, offer pockets of natural respite, echoing the wilder, untamed beauty of the Missouri River Valley that lies a short distance to the south. The story of OFallon is deeply entwined with the agricultural bounty that sustained its early settlers. What began as a collection of farms and homesteads, drawn to the rich, dark soil of the Missouri River floodplain, has transformed into a vibrant hub of commerce and community. The echo of those agrarian roots can still be felt in the names of some of its streets and the enduring spirit of its residents, many of whom trace their lineage back to the pioneers who first tilled this ground. Today, OFallon thrives as a modern economic center, attracting a diverse array of businesses that contribute to its dynamic character, yet it retains a certain quiet charm, a sense of place that whispers of its past while embracing the present with open arms.

LocationOFallon, St. Charles County, Missouri
Coordinates38.811°N, 90.6997°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)63366
Area Code314
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service