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Troy, Illinois Weather

Troy, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery for Troy, Madison 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 Troy is published on the Scott AFB/Midamerica Airport (KBLV) page, 21 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 Troy 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 Troy: St Louis Regional Airport (KALN) 23 km · St Louis Downtown Airport (KCPS) 30 km · St. Louis Lambert International Airport (KSTL) 42 km · Greenville Airport (KGRE) 46 km · St Charles County Regional Airport/Smartt Field (KSET) 52 km

Conditions reported at KBLV describe the airfield itself. Weather 21 km away can differ, particularly in terrain or near the coast. For conditions at Troy specifically, see the current conditions and forecast above.

🌿 Air Quality
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About Troy, Illinois

Troy, Illinois, unfolds across a landscape shaped by the gentle, rolling contours of southern Illinois, where cultivated fields meet the persistent whisper of woodland. It lies 6.8 miles south-south-east of Edwardsville, IL (from Edwardsville, IL: bearing 146°T), and is situated 9.6 miles north of O'Fallon. The sky here seems to possess a particular kind of breadth, especially in the late afternoon, when the sun’s descent casts long, painterly shadows across the land, turning the green of summer pastures into a deeper, more burnished hue. The air, carrying the faint, earthy scent of turned soil and the distant hum of traffic, often settles with a quiet stillness, a palpable sense of space that invites a slow, deliberate breath. The very character of Troy is in this spaciousness, in the way the horizon feels both near and infinitely far, a constant reminder of the open country that surrounds it. The history of Troy is inextricably linked to the fertile earth that surrounds it, a legacy of agriculture that has sustained its people for generations. Early settlers, drawn by the promise of rich farmland, established a community that grew organically, its economy rooted in the bounty of the surrounding plains. While the echoes of farming persist, the economic currents have diversified, with a growing number of residents finding work in the nearby metropolitan centers, yet the heart of Troy still beats with a rhythm familiar to its agrarian past. A notable feature of Troy’s character is its enduring connection to its German heritage, a cultural thread that still manifests in local traditions and the enduring warmth of its community spirit, a subtle but powerful influence on the everyday life of Troy.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Troy 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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LocationTroy, Madison County, Illinois
Coordinates38.729215°N, 89.883154°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)62294
Area Code217
Page generatedSeptember 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Troy, Illinois Weather Page

This page provides live weather conditions and forecasts for Troy, Illinois, 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 Troy includes coordinates 38.729215°N, 89.883154°W, situated in Madison County. ZIP code 62294. Telephone area code: 217. 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.