Monticello, Illinois Weather
Monticello, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery for Monticello, Piatt County.
Full aviation weather for Monticello is published on the University of Illinois Willard Airport (KCMI) page, 25 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. 6 airfields within reach of Monticello 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 Monticello: Decatur Airport (KDEC) 33 km · Frasca Field (KC16) 34 km · Tuscola Airport (KK96) 36 km · Rantoul National Aviation Center - Frank Elliot field (KTIP) 47 km · Central Illinois Regional Airport at Bloomington-Normal (KBMI) 58 km
Conditions reported at KCMI describe the airfield itself. Weather 25 km away can differ, particularly in terrain or near the coast. For conditions at Monticello specifically, see the current conditions and forecast above.
About Monticello, Illinois
Monticello unfolds across the rolling Illinois prairie, a landscape defined by the vast, open sky and the fertile earth that yields its bounty. It lies 18.5 miles west-south-west of Champaign, IL (from Champaign, IL: bearing 251°T), and is situated 7.3 miles north of Bement. Here, the land sighs with a gentle, almost imperceptible swell, a quiet undulation that stretches towards horizons that seem to go on forever. The air, especially in the languid warmth of late afternoon, carries the faint, sweet scent of drying corn stalks and the distant hum of agricultural machinery, a constant, low thrum beneath the rustle of leaves in the mature trees lining its streets. The character of Monticello is one of sturdy, unpretentious beauty, a place where the very architecture seems to lean into the prairie wind, built to endure and to shelter. This is a place deeply rooted in the rich agricultural heritage of Piatt County, where the economy has long been tied to the cultivation of the land, the broad fields of corn and soybeans painting a vibrant, ever-changing tapestry of green and gold across the seasons. Its history is a testament to the pioneering spirit that settled these plains, with the echoes of those early days still resonating in the well-maintained historic buildings and the strong sense of community. Monticello, in its quiet way, also boasts a distinctive connection to the wider world through its notable families and their contributions, a subtle undercurrent of intellect and innovation that belies its seemingly simple facade, a quiet strength that has always been its hallmark.
Live animated radar for Monticello 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 | Monticello, Piatt County, Illinois |
| Coordinates | 40.027812°N, 88.573398°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 61856 |
| Area Code | 309 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Monticello, Illinois Weather Page
This page provides live weather conditions and forecasts for Monticello, 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 Monticello includes coordinates 40.027812°N, 88.573398°W, situated in Piatt County. ZIP code 61856. Telephone area code: 309. 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.
