Niantic, Illinois Weather
Niantic, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for Niantic, Macon County.
Flight conditions near Niantic. Data source: locating…
Soil conditions, frost risk and crop weather for Niantic.
About Niantic, Illinois
Niantic rests on land that remembers the vastness of the prairie, a gentle swell of earth under a wide, ever-changing Illinois sky. It lies 11.3 miles west of Decatur, IL (from Decatur, IL: bearing 275°T), and is situated 4.4 miles west of Harristown. The fields, a patchwork of amber grain and deep green clover, stretch out towards horizons that seem to hold the breath of the open country. Here, the air carries the clean scent of turned soil and distant rain, a subtle perfume that shifts with the seasons. The sunlight, especially in the late afternoon, casts long, soft shadows that pool in the hollows of the land, lending a quiet dignity to the landscape. The houses, many built with a practical, unpretentious grace, stand as quiet witnesses to the enduring character of this place. The story of Niantic is one of steady growth, tied to the fertile earth that surrounds it. Agriculture has long been the heartbeat of this locality, with generations of families cultivating the rich soil, their livelihoods woven into the rhythm of planting and harvest. The railroad, a vital artery in its early days, brought people and commerce, shaping the small but resilient economy that continues to support Niantic. While not a place of grand monuments, its character is etched in the quiet persistence of its people and the enduring appeal of its unvarnished, open-prairie setting. The fields are not just land; they are a legacy, tended with a care that speaks of a deep connection to this particular stretch of Macon County.
Live animated radar for Niantic 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 | Niantic, Macon County, Illinois |
| Coordinates | 39.85393°N, 89.166194°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62551 |
| Area Code | 217 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Niantic, Illinois Weather Page
This page provides live weather conditions and forecasts for Niantic, 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 Niantic includes coordinates 39.853930°N, 89.166194°W, situated in Macon County. ZIP code 62551. 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.
