Old Monroe, Missouri — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Old Monroe, Lincoln County.
Full aviation weather for Old Monroe is published on the Greensfield Airport (KM71) page, 19 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 Old Monroe 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 Old Monroe: St Charles County Regional Airport/Smartt Field (KSET) 27 km · Creve Coeur Airport (K1H0) 31 km · Spirit of St Louis Airport (KSUS) 31 km · St. Louis Lambert International Airport (KSTL) 38 km · Washington Regional Airport (KFYG) 44 km
Conditions reported at KM71 describe the airfield itself. Weather 19 km away can differ, particularly in terrain or near the coast. For conditions at Old Monroe specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Old Monroe.
Old Monroe rests on the rolling terrain where the Missouri River’s broad, muddy currents have shaped the land for millennia. It lies 8.7 miles north-north-west of OFallon, MO (from OFallon, MO: bearing 343°T), and is situated 8.7 miles north-north-west of O'Fallon. The landscape here is a gentle embrace of fertile earth, a place where fields of corn and soybeans stretch towards the horizon, punctuated by stands of oak and hickory that lend a dappled shade to the summer afternoons. The air, especially in the lingering warmth of late August, carries the faint, sweet scent of ripening grain and the damp, earthy perfume of the river bottom. The roads, often lined with venerable, moss-kissed fence posts, wind their way through this generous countryside, leading the eye to glimpses of weathered barns and farmhouses that seem to have grown organically from the soil itself. This particular stretch of Lincoln County carries the echoes of a past tied closely to the river and the land's bounty. Settled by sturdy folk seeking opportunity, Old Monroe’s history is woven into the agricultural cycles that still dictate much of its rhythm. The fertile soil, a legacy of ancient floods, has long supported a robust farming economy, with generations of families tending the same plots. While larger industries may pass by, the enduring strength of Old Monroe lies in its connection to the earth, in the quiet dignity of its agricultural heritage and the enduring spirit of its people who continue to work the land, their lives attuned to the changing seasons and the steady flow of the nearby Missouri.
Live animated radar for Old Monroe 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 | Old Monroe, Lincoln County, Missouri |
| Coordinates | 38.931718°N, 90.746792°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 63369 |
| Area Code | 314 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
This page provides live weather conditions and forecasts for Old Monroe, 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 Old Monroe includes coordinates 38.931718°N, 90.746792°W, situated in Lincoln County. ZIP code 63369. 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.