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St. Lucas, Iowa Weather

St. Lucas, Iowa — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for St. Lucas, Fayette 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

Full aviation weather for St. Lucas is published on the George L Scott Municipal Airport (K3Y2) page, 15 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 St. Lucas 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 St. Lucas: Decorah Municipal Airport (KDEH) 28 km · Ellen Church Field (KCJJ) 37 km · Oelwein Municipal Airport (KOLZ) 43 km · Monona Municipal Airport (K7C3) 48 km · Northeast Iowa Regional Airport (KCCY) 55 km

Conditions reported at K3Y2 describe the airfield itself. Weather 15 km away can differ, particularly in terrain or near the coast. For conditions at St. Lucas specifically, see the current conditions and forecast above.

🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for St. Lucas.

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About St. Lucas, Iowa

St. Lucas, a whisper of a place in the heart of Fayette County, unfolds across rolling farmland where the sky seems to stretch infinitely. It lies 44.7 miles north-north-east of Waterloo, IA (from Waterloo, IA: bearing 28°T), and is situated 9.6 miles north-west of West Union. Here, the land itself is a gentle sculptor, its contours shaped by the slow, deliberate work of glaciers and millennia of wind, creating broad, sweeping vistas that invite the eye to wander. The air, especially in the soft light of late afternoon, carries a clean, earthy scent, a mingling of freshly turned soil and distant, sun-warmed grasses. Fields of corn and soybeans, a vibrant green in summer and a rich gold in autumn, stretch out like a patchwork quilt, punctuated by stands of mature oak and maple trees that offer shade and a sense of enduring presence. The quiet here is not an absence of sound, but a symphony of subtle noises: the rustle of leaves, the distant hum of a tractor, the call of a hawk circling high above. This is a landscape steeped in the quiet industry of agriculture, a tradition that has sustained St. Lucas for generations. The German heritage of its earliest settlers still echoes in the sturdy stone foundations of many older farmsteads and the enduring faith of its founding church, a landmark that has long served as the spiritual and communal anchor for the surrounding farms. The local economy, though modest, thrives on the bounty of the land, with grain elevators and small businesses serving the needs of the farming families who are the bedrock of St. Lucas. The rhythm of life here is dictated by the seasons, a steady, predictable cadence that fosters a deep connection to the earth and to each other, a quiet resilience that defines the character of St. Lucas.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for St. Lucas 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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LocationSt. Lucas, Fayette County, Iowa
Coordinates43.066364°N, 91.933499°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)52171, 52166
Area Code712
Page generatedSeptember 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This St. Lucas, Iowa Weather Page

This page provides live weather conditions and forecasts for St. Lucas, Iowa, 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 St. Lucas includes coordinates 43.066364°N, 91.933499°W, situated in Fayette County. ZIP code 52171, 52166. Telephone area code: 712. 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.