Monmouth, Illinois Weather
Monmouth, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery for Monmouth, Warren County.
Full aviation weather for Monmouth is published on the Monmouth Municipal Airport (KC66) page, 2 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 Monmouth 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 Monmouth: Galesburg Municipal Airport (KGBG) 18 km · Mercer County Airport (KC00) 38 km · Southeast Iowa Regional Airport (KBRL) 43 km · Macomb Municipal Airport (KMQB) 44 km
Conditions reported at KC66 describe the airfield itself. Weather 2 km away can differ, particularly in terrain or near the coast. For conditions at Monmouth specifically, see the current conditions and forecast above.
About Monmouth, Illinois
Monmouth rests on rolling prairie, a landscape sculpted by ancient glaciers that left behind fertile soil and a sky that seems to stretch on forever. It lies 14.6 miles west of Galesburg, IL (from Galesburg, IL: bearing 260°T), and is situated 6.1 miles east-north-east of Kirkwood. The land here breathes a quiet resilience, the fields of corn and soybeans rippling like a vast, green sea under the broad Illinois sun. Dusk often settles with a profound stillness, painting the horizon in hues of soft lavender and dusty rose, a gentle invitation for the day's labors to cease. The air itself carries the faint, sweet scent of ripening grain, a constant reminder of the earth's generous yield. This prairie heartland has long been shaped by agriculture, its economy deeply rooted in the cultivation of its rich black soil. Monmouth, originally a stop on the stagecoach route, grew with the arrival of the railroad, becoming a vital hub for the surrounding farms. The town’s character is one of sturdy practicality, a legacy perhaps of the pioneers who first broke this land, their ingenuity and perseverance still palpable. While the days of extensive horse-drawn farming are past, the spirit of the land’s bounty remains, evident in the local grain elevators that punctuate the horizon and the quiet hum of machinery that signals the ongoing work of sustenance.
Live animated radar for Monmouth 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 | Monmouth, Warren County, Illinois |
| Coordinates | 40.911427°N, 90.647358°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 61462 |
| Area Code | 815 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Monmouth, Illinois Weather Page
This page provides live weather conditions and forecasts for Monmouth, 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 Monmouth includes coordinates 40.911427°N, 90.647358°W, situated in Warren County. ZIP code 61462. 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.
