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Sycamore, Illinois Weather

Sycamore, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Sycamore, DeKalb 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 Sycamore. Data source: locating…

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🌿 Air Quality
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About Sycamore, Illinois

Sycamore rests in the broad, fertile heart of DeKalb County, a place where the land rolls with a quiet dignity under an immense sky. It lies 5.2 miles north-east of DeKalb, IL (from DeKalb, IL: bearing 38°T), and is situated 7.5 miles south of Genoa. The fields, a patchwork quilt of corn and soybeans, stretch to horizons softened by the haze of distant trees, the rich soil a deep, dark promise. Here, the air carries the scent of turned earth and the distant hum of agricultural machinery, a constant, low thrum that defines the season's passage. The streets of Sycamore itself are lined with mature trees, their broad canopies offering dappled shade in the summer heat, a gentle reminder of the namesake that gives the town its name. Even the light here feels different, a soft, diffused glow that softens edges and lends a painterly quality to the ordinary. The history of Sycamore is deeply entwined with the agricultural bounty of the prairie, a legacy built by pioneers who saw potential in this flat, rich expanse. Early settlers, drawn by the promise of fertile land and access to transportation routes, established a community that has remained steadfast in its connection to the land. The local economy continues to be shaped by agriculture, with grain elevators standing as silent sentinels along the rail lines, monuments to the ceaseless cycle of planting and harvest. Beyond the fields, Sycamore has cultivated a reputation for its vibrant downtown, a collection of well-preserved buildings that house unique shops and eateries, drawing visitors and residents alike. The courthouse square, a focal point of community life, stands as a stately testament to the enduring spirit of this Illinois town.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Sycamore 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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LocationSycamore, DeKalb County, Illinois
Coordinates41.988917°N, 88.686754°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)60178
Area Code312, 773
Page generatedJuly 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Sycamore, Illinois Weather Page

This page provides live weather conditions and forecasts for Sycamore, 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 Sycamore includes coordinates 41.988917°N, 88.686754°W, situated in DeKalb County. ZIP code 60178. Telephone area code: 312, 773. 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.