Saint Clair, Missouri Weather
Saint Clair, Missouri — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Saint Clair, Franklin County.
Full aviation weather for Saint Clair is published on the Washington Regional Airport (KFYG) page, 27 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. 3 airfields within reach of Saint Clair 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 Saint Clair: Spirit of St Louis Airport (KSUS) 45 km · Creve Coeur Airport (K1H0) 59 km
Conditions reported at KFYG describe the airfield itself. Weather 27 km away can differ, particularly in terrain or near the coast. For conditions at Saint Clair specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Saint Clair.
About Saint Clair, Missouri
Saint Clair rests in a shallow valley, where the land begins its patient rise toward the Ozark foothills. It lies 23.8 miles south-west of Wildwood, MO (from Wildwood, MO: bearing 226°T), and is situated 7.4 miles south-south-east of Union. The Meramec River, a ribbon of pewter and jade, threads its way through the surrounding countryside, its banks often softened by a fringe of willow and sycamore. Fields of corn and soybeans, their green stalks reaching for the humid Missouri sky, give way to patches of woodland, mostly oak and hickory, that hold their breath in the stillness of summer afternoons. The air here carries a faint, sweet scent of mown hay and the damp earth after a rain, a perfume of the fertile, rolling terrain. The history of Saint Clair is etched not in grand monuments, but in the quiet persistence of its people and the enduring landscape that shaped them. Originally settled by pioneers drawn to the rich soil and the promise of water, the area's economy has long been tied to agriculture, with farms still dotting the horizon. Later, the railroad arrived, a steel artery pumping life and commerce into this corner of Franklin County, and for a time, manufacturing offered steady work, though the echoes of those industrial days now whisper more than they roar. Today, Saint Clair retains a character of practical resilience, a place where the pace of life still allows for the slow unfolding of a day, and where the shadows lengthen across the fields with a familiar, comforting grace.
Live animated radar for Saint Clair 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 | Saint Clair, Franklin County, Missouri |
| Coordinates | 38.345329°N, 90.980974°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 63077 |
| Area Code | 314 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Saint Clair, Missouri Weather Page
This page provides live weather conditions and forecasts for Saint Clair, 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 Saint Clair includes coordinates 38.345329°N, 90.980974°W, situated in Franklin County. ZIP code 63077. 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.
