Williamson, Illinois Weather
Williamson, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Williamson, Madison County.
Full aviation weather for Williamson is published on the St Louis Regional Airport (KALN) page, 27 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 Williamson 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 Williamson: Greenville Airport (KGRE) 37 km · Scott AFB/Midamerica Airport (KBLV) 49 km · Vandalia Municipal Airport (KVLA) 52 km · Zelmer Memorial Airpark Inc Airport (K5K1) 52 km · St Louis Downtown Airport (KCPS) 57 km
Conditions reported at KALN describe the airfield itself. Weather 27 km away can differ, particularly in terrain or near the coast. For conditions at Williamson specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Williamson.
About Williamson, Illinois
Williamson lies in a quiet corner of Madison County, where the land begins its gentle swell towards the low hills that mark the edge of the Mississippi River watershed. It lies 15.8 miles north-east of Edwardsville, IL (from Edwardsville, IL: bearing 40°T), and is situated 2.4 miles south-east of Staunton. Here, fields of corn and soybeans stretch out like rumpled blankets under a sky that often feels vast and indifferent, punctuated by the stoic silhouettes of oak and maple trees along the property lines. The air, especially in the late afternoon, carries a subtle sweetness, a blend of fertile earth and the distant hum of agricultural machinery, a sound that has become a sort of natural music to the inhabitants. Small farmsteads dot the landscape, their weathered barns and silos standing as patient sentinels against the passage of seasons, each one a small world unto itself. The story of Williamson is one of diligent hands and the enduring spirit of the land. Its origins are tied to the fertile soil that has sustained generations, drawing families who understood the quiet power of cultivation. While the precise details of its founding are lost to the common memory, the echoes of its agricultural past are ever-present in the broad, open vistas and the quiet dedication of its people to the land. The local economy, though diversified in its small way, still finds its deepest roots in the productivity of the surrounding farms, the grain elevators standing as silent monuments to this ongoing endeavor. Williamson maintains a character of steady perseverance, a place where life moves at a pace that allows for the appreciation of both the fleeting beauty of a sun-drenched morning and the deep, unyielding strength of the earth.
Live animated radar for Williamson 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 | Williamson, Madison County, Illinois |
| Coordinates | 38.985602°N, 89.763983°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62088 |
| Area Code | 309 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Williamson, Illinois Weather Page
This page provides live weather conditions and forecasts for Williamson, 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 Williamson includes coordinates 38.985602°N, 89.763983°W, situated in Madison County. ZIP code 62088. 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.
