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St. Elmo, Illinois Weather

St. Elmo, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for St. Elmo, 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. Elmo is published on the Effingham County Memorial Airport (K1H2) page, 28 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. 5 airfields within reach of St. Elmo 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. Elmo: Vandalia Municipal Airport (KVLA) 28 km · Salem–Leckrone Airport (KSLO) 44 km · Greenville Airport (KGRE) 50 km · Flora Municipal Airport (KFOA) 53 km

Conditions reported at K1H2 describe the airfield itself. Weather 28 km away can differ, particularly in terrain or near the coast. For conditions at St. Elmo specifically, see the current conditions and forecast above.

🚜 Agricultural Weather

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

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About St. Elmo, Illinois

St. Elmo lies under a wide Illinois sky, a place where the land opens up to allow the sun and wind to speak freely. It lies 56.5 miles south of Decatur, IL (from Decatur, IL: bearing 174°T), and is situated 5.9 miles west-south-west of Altamont. Fields of corn and soybeans, a verdant patchwork under the summer sun, stretch towards horizons softened by distant trees, their leaves rustling secrets in the breeze. Roads, often lined with the stoic grace of oak and maple, cut straight paths across the gently rolling terrain, leading the eye towards the quiet clusters of homes and businesses that define St. Elmo. The air here carries the scent of fertile earth and, depending on the season, the sweet perfume of ripening crops or the crisp promise of autumn, a tangible breath from the surrounding countryside that enfolds the community. The story of St. Elmo is written in the landscape, a testament to the agricultural spirit that has long sustained its people. Originally a hub for the fertile lands that surround it, the economy here has seen the ebb and flow of farming fortunes, its character shaped by the seasons and the global markets for grain. While agriculture remains a cornerstone, the echoes of a broader industrial past can still be felt, hinting at a time when other endeavors might have drawn life to this corner of Fayette County. The very rhythm of life in St. Elmo moves with a deliberate, unhurried pace, a reflection of its deep roots in the soil and its enduring connection to the land that cradles it.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for St. Elmo 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. Elmo, Fayette County, Illinois
Coordinates39.027266°N, 88.848114°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)62458
Area Code217
Page generatedSeptember 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This St. Elmo, Illinois Weather Page

This page provides live weather conditions and forecasts for St. Elmo, 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 St. Elmo includes coordinates 39.027266°N, 88.848114°W, situated in Fayette County. ZIP code 62458. 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.