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.
Flight conditions near Decatur. Data source: locating…
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.
Live animated radar for Decatur 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 | Decatur, Macon County, Illinois |
| Coordinates | 39.840315°N, 88.9548°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62523, 62522, 62521, 62524, 62525 |
| Area Code | 217 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Decatur, Illinois Weather Page
This page provides live weather conditions and forecasts for Decatur, Illinois, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. 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 Decatur includes coordinates 39.840315°N, 88.954800°W, situated in Macon County. ZIP code 62523, 62522, 62521, 62524, 62525. 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. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. 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.
