Peru, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Peru, LaSalle County.
Full aviation weather for Peru is published on the Illinois Valley Regional Airport Walter A Duncan Field (KVYS) page, 3 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. 4 airfields within reach of Peru 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 Peru: Marshall County Airport (KC75) 40 km · Bresson Airport (KC82) 48 km · Cushing Field Ltd Airport (K0C8) 49 km
Conditions reported at KVYS describe the airfield itself. Weather 3 km away can differ, particularly in terrain or near the coast. For conditions at Peru specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Peru.
Peru, Illinois, unfolds along the wide, languid embrace of the Illinois River, its landscape a gentle conversation between water and earth. It lies 46.0 miles south-south-west of DeKalb, IL (from DeKalb, IL: bearing 205°T), and is situated 3.7 miles east of Spring Valley. The land rises in a modest, rolling fashion, not dramatic peaks but soft swells that suggest the patient work of glaciers long past. Fields of corn and soybeans stretch towards the horizon, their green and gold hues a comforting, familiar quilt under the expansive Midwestern sky. The air here carries the subtle, earthy scent of damp soil and ripening grain, a quiet perfume that settles deep into the lungs. Even the shadows that lengthen across the riverbanks in the late afternoon possess a certain stillness, a peacefulness that seems to emanate from the very ground. This place, Peru, has long been shaped by the artery of the Illinois River, a vital conduit for trade and settlement. Its early days were imbued with the industrious spirit of lumber mills and quarrying, the stone from its bluffs finding its way into buildings far and wide. The river continues to be a working waterway, its surface often broken by the slow progress of barges carrying the bounty of the land. The town’s character is one of quiet resilience, a blend of agricultural roots and the enduring hum of commerce. Though the grand industrial enterprises may have shifted, a persistent sense of purpose remains, a testament to generations who have drawn their sustenance and livelihood from this fertile ground and the generous flow of the water.
Live animated radar for Peru 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 | Peru, LaSalle County, Illinois |
| Coordinates | 41.327535°N, 89.128973°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 61354 |
| Area Code | 815 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
This page provides live weather conditions and forecasts for Peru, 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 Peru includes coordinates 41.327535°N, 89.128973°W, situated in LaSalle County. ZIP code 61354. 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.