Colchester, Illinois Weather
Colchester, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Colchester, McDonough County.
Full aviation weather for Colchester is published on the Macomb Municipal Airport (KMQB) page, 16 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 Colchester 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 Colchester: Southeast Iowa Regional Airport (KBRL) 49 km · Mount Sterling Municipal Airport (KI63) 49 km · Fort Madison Municipal Airport (KFSW) 52 km · Keokuk Municipal Airport (KEOK) 54 km · Monmouth Municipal Airport (KC66) 58 km
Conditions reported at KMQB describe the airfield itself. Weather 16 km away can differ, particularly in terrain or near the coast. For conditions at Colchester specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Colchester.
About Colchester, Illinois
Colchester, a quiet sentinel in the western Illinois landscape, rests where the land begins its gentle, rolling descent towards the Mississippi. It lies 42.3 miles south-south-west of Galesburg, IL (from Galesburg, IL: bearing 212°T), and is situated 6.7 miles west-south-west of Macomb. The sky here is a vast canvas, often painted with the soft, bruised purples of approaching storms or the clear, piercing blue of a midsummer day. Fields of corn and soybeans stretch towards the horizon, their green a vibrant contrast to the rich, dark earth that yields their bounty. The air, especially in the early morning, carries the clean, damp scent of dew-kissed soil and the faint, sweet perfume of wild clover. Old oak trees, their branches gnarled like ancient hands, stand guard along the edges of farmsteads, their leaves rustling with secrets of seasons past. The story of Colchester is deeply entwined with the earth beneath it, first shaped by the agricultural endeavors of settlers drawn to its fertile plains. For a time, the coal mines burrowed into the surrounding hillsides, leaving a subtle, almost forgotten scar on the landscape and a lingering echo in the town’s collective memory. Though the mines are long silent, the spirit of hard work and self-reliance persists, a quiet hum beneath the surface of everyday life. The local economy, like the land itself, is rooted in agriculture, with farmers tending their crops and livestock, their lives measured by the turning of the seasons. Colchester maintains a dignified, unhurried pace, a place where the clatter of a passing train can momentarily interrupt the stillness, a reminder of connections to the wider world.
Live animated radar for Colchester 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 | Colchester, McDonough County, Illinois |
| Coordinates | 40.426431°N, 90.792632°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62326 |
| Area Code | 217 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Colchester, Illinois Weather Page
This page provides live weather conditions and forecasts for Colchester, 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 Colchester includes coordinates 40.426431°N, 90.792632°W, situated in McDonough County. ZIP code 62326. Telephone area code: 217. 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.
