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Decatur, Illinois Weather

Decatur, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Decatur, Macon 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

Flight conditions near Decatur — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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🌿 Air Quality
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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Decatur 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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About Decatur, Illinois

Decatur, a city of wide horizons, lies spread across the gently rolling landscape of central Illinois, where the sky seems to stretch on forever. It lies 36.7 miles east of Springfield, IL (from Springfield, IL: bearing 86°T), and is situated 6.4 miles north-west of Mount Zion. The land here is a study in subtle gradients, a vast canvas of fertile soil that hints at the agricultural heart beating beneath its surface. In the warmer months, the air carries the sweet, earthy perfume of ripening corn and soybeans, a scent that clings to the breeze and permeates the very being of the place. Evenings can bring a remarkable clarity, the setting sun igniting the western sky with a fierce, almost divine palette of oranges and purples, a quiet spectacle that transforms the ordinary into something extraordinary. The robust, wind-swept character of Decatur is not one of dramatic peaks or shadowed valleys, but of an open, unwavering presence, a place where the land itself feels like a character in the unfolding story. This city, built upon the rich Black Prairie soil, has long drawn its lifeblood from the earth, its economy historically tethered to agriculture and the processing of its bounty. The Illinois Central Railroad, a vital artery of commerce, carved its path through this land, bringing with it the promise of growth and connecting Decatur to wider markets. Today, the hum of industry, though varied, still echoes the spirit of those early days, with a notable presence in the manufacturing of agricultural equipment and food products, a direct lineage from the crops that surround it. The presence of Lake Decatur, a man-made reservoir, offers a refreshing counterpoint to the expansive fields, its waters reflecting the ever-changing sky and providing a place for both recreation and a steady, life-giving flow. Throughout its history, Decatur has been a place of innovation and industry, a testament to the enduring spirit of those who have worked its land and shaped its future.

LocationDecatur, Macon County, Illinois
Coordinates39.840315°N, 88.9548°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)62522, 62521, 62523, 62524, 62525
Area Code217
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service