Hennepin, Illinois Weather
Hennepin, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Hennepin, Putnam County.
Full aviation weather for Hennepin is published on the Illinois Valley Regional Airport Walter A Duncan Field (KVYS) page, 19 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 5 airfields within reach of Hennepin have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Hennepin: Marshall County Airport (KC75) 26 km · Kewanee Municipal Airport (KEZI) 52 km · Mount Hawley Auxiliary Airport (K3MY) 56 km · Bresson Airport (KC82) 60 km
Conditions reported at KVYS describe the airfield itself. Weather 19 km away can differ, particularly in terrain or near the coast. For conditions at Hennepin specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Hennepin.
About Hennepin, Illinois
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 | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Hennepin, Illinois Weather Page
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, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. 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. 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.
