Colchester, Illinois Weather
Colchester, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for Colchester, McDonough County.
Flight conditions near Colchester. Data source: locating…
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 | July 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, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modeled estimate shown when no station is in range), precipitation radar and NOAA GOES-16 satellite imagery. 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. Aviation data is sourced from aviationweather.gov (NOAA), with a modeled estimate used where no nearby reporting station is available. 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.
