DeKalb, Illinois Weather
DeKalb, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for DeKalb, DeKalb County.
Flight conditions near DeKalb. Data source: locating…
About DeKalb, Illinois
DeKalb unfolds across a landscape shaped by the slow, persistent work of glaciers, its terrain a broad, subtle swell of farmland stretching towards horizons that seem to hold the entire sky. It lies 22.7 miles west of St. Charles, IL (from St. Charles, IL: bearing 273°T), and is situated 5.2 miles south-west of Sycamore. The rich, dark loam, a testament to millennia of prairie grasses, now yields its bounty to the determined plow, its furrows catching the low, golden light of late afternoon. The air here, particularly as summer softens into autumn, carries the clean scent of turned earth and distant cornfields, a fragrance that speaks of abundance and the quiet turning of seasons. Even the scattered stands of trees, often oaks with their gnarled, patient limbs, seem to understand the expansive spirit of this place, their shadows long and deliberate against the fields. This is a place where the hum of agricultural machinery is as much a part of the soundscape as the distant rumble of trains, a constant reminder of the fertile ground that has sustained DeKalb for generations. Its history is intertwined with the growth of the Midwest, a story of pioneers and farmers who saw potential in these open plains, and later, the steady development of educational institutions that brought a different kind of vibrancy. The presence of Northern Illinois University imbues DeKalb with a youthful energy, a counterpoint to the enduring agricultural roots, and its campus buildings, often brick and solid, offer a sense of permanence against the ever-shifting sky. The town itself, a nexus of commerce and community, reflects this blend, its streets lined with businesses that serve both the agricultural heartland and the needs of a modern university town.
Live animated radar for DeKalb 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 | DeKalb, DeKalb County, Illinois |
| Coordinates | 41.929474°N, 88.750365°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 60115 |
| Area Code | 312, 773 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This DeKalb, Illinois Weather Page
This page provides live weather conditions and forecasts for DeKalb, 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 DeKalb includes coordinates 41.929474°N, 88.750365°W, situated in DeKalb County. ZIP code 60115. 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.
