Hennepin, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for Hennepin, Putnam County.
Flight conditions near Hennepin. Data source: locating…
Soil conditions, frost risk and crop weather for Hennepin.
Hennepin rests on the broad, fertile plain where the Illinois River makes its slow, deliberate bend, the land unfurling in vast, sun-drenched fields of corn and soybeans that stretch to the horizon. It lies 40.8 miles north-north-east of Peoria, IL (from Peoria, IL: bearing 18°T), and is situated 9.0 miles south-west of Spring Valley. The air here, especially in the late afternoon, carries a sweet, earthy scent, a blend of ripening grain and the distant murmur of river traffic. Old barns, weathered to a soft, silvery grey, stand sentinel against the immense sky, their silhouettes stark and honest. The town itself is a collection of sturdy brick buildings and modest homes, their porches often adorned with blooming petunias in the summer, a quiet testament to lives lived in comfortable, unhurried fashion. The history of Hennepin is deeply entwined with the Illinois River, its founding tied to the aspirations of early steamboat captains and ambitious settlers seeking to harness the waterway's commercial potential. For generations, agriculture has been the bedrock of its economy, the rich black soil yielding abundant harvests. The presence of the Illinois River, a vital artery for barge traffic, continues to shape the town's economic pulse, facilitating the movement of goods and connecting Hennepin to a wider world. Though the grand steamboat era has long passed, the river remains a constant, a powerful presence that shapes the landscape and imbues the very air with a sense of enduring continuity.
Live animated radar for Hennepin 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 | Hennepin, Putnam County, Illinois |
| Coordinates | 41.254203°N, 89.342311°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 61327 |
| Area Code | 815 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
This page provides live weather conditions and forecasts for Hennepin, 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 Hennepin includes coordinates 41.254203°N, 89.342311°W, situated in Putnam County. ZIP code 61327. Telephone area code: 815. 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.