Summit, Illinois Weather
Summit, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Summit, St. Clair County.
Full aviation weather for Summit is published on the St Louis Downtown Airport (KCPS) page, 13 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 Summit 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 Summit: St Louis Regional Airport (KALN) 38 km · St. Louis Lambert International Airport (KSTL) 39 km · Creve Coeur Airport (K1H0) 48 km · St Charles County Regional Airport/Smartt Field (KSET) 56 km · Spirit of St Louis Airport (KSUS) 58 km
Conditions reported at KCPS describe the airfield itself. Weather 13 km away can differ, particularly in terrain or near the coast. For conditions at Summit specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Summit.
About Summit, Illinois
Summit unfurls across a landscape of gentle, rolling terrain, where the rich, dark soil hints at centuries of cultivation and a subtle, persistent moisture in the air lends a verdant hue to the surrounding woodlands. It lies 2.4 miles north-north-west of Belleville, IL (from Belleville, IL: bearing 332°T), and is situated 5.8 miles west-south-west of O'Fallon. The sky here often stretches wide and luminous, particularly as twilight begins to descend, bathing the scattered farmsteads and the cluster of homes in a softened, almost ethereal glow. The trees, a mix of oak and maple, stand sentinel along the few roadways, their leaves rustling with a sound that is both a whisper and a sigh, a constant murmur against the quietude of the countryside. The very air seems to carry the scent of damp earth and distant woodsmoke, a comforting perfume that speaks of a life lived in close communion with the land. The story of Summit is one deeply entwined with the agricultural bounty of St. Clair County, a place where generations have worked the earth, coaxing sustenance from its fertile depths. While farming remains a bedrock of its economy, the proximity to larger urban centers has also shaped Summit’s character, drawing in those who seek a more peaceful existence without entirely severing ties to the broader currents of commerce and industry. Evidence of earlier lives, perhaps marked by the rise and fall of small businesses or the quiet growth of families, can be glimpsed in the enduring architecture and the enduring spirit of its residents. The local character is one of quiet resilience, a practical optimism forged in the face of changing times, where neighborly concern is as readily offered as a helping hand.
Live animated radar for Summit 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 | Summit, St. Clair County, Illinois |
| Coordinates | 38.551161°N, 90.004827°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62226, 60501 |
| Area Code | 217, 708 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Summit, Illinois Weather Page
This page provides live weather conditions and forecasts for Summit, 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 Summit includes coordinates 38.551161°N, 90.004827°W, situated in St. Clair County. ZIP code 62226, 60501. Telephone area code: 217, 708. 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.
