Petersburg, Illinois Weather
Petersburg, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for Petersburg, St. Clair County.
Flight conditions near Petersburg. Data source: locating…
Soil conditions, frost risk and crop weather for Petersburg.
About Petersburg, Illinois
Petersburg, a quiet sentinel in the heart of the county, unfolds itself across a landscape shaped by the slow, deliberate march of glaciers and the persistent caress of the prairie wind. Rolling hills, softened by time and cultivation, give way to fertile bottomlands that hint at the presence of unseen waterways, their courses suggested by the richer green of the vegetation. The air here, particularly in the hush of late afternoon, carries a subtle sweetness, a blend of sun-baked earth and the distant, fragrant breath of ripening corn. Oak and hickory trees, their branches reaching with a venerable grace, punctuate the fields, offering shade and a sense of enduring resilience. The sky above Petersburg is vast, an ever-changing canvas that can shift from the piercing blue of a summer day to the bruised purples and oranges of a storm-laden evening, imbuing the very character of the place with a quiet, elemental drama. The story of Petersburg is deeply intertwined with the agricultural rhythms of its land, a heritage that continues to define its local economy. For generations, the rich soil has yielded bountiful harvests, with corn and soybeans standing as proud testaments to the enduring connection between the people and their earth. Whispers of its past are carried on the breeze, stories of early settlers who carved their lives from this open country, their endeavors echoing in the sturdy, unpretentious architecture that lines the main thoroughfares. While modern life has brought its conveniences, the pace of Petersburg remains one of thoughtful deliberation, a reflection of the patient cultivation that has always been its hallmark. The nearby river, though not always visible, exerts a subtle influence, shaping the terrain and providing a vital artery for the region's lifeblood, a constant reminder of the natural forces that have both shaped and sustained Petersburg.
Live animated radar for Petersburg 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 | Petersburg, St. Clair County, Illinois |
| Coordinates | 38.592272°N, 89.921213°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62466, 62269, 62675 |
| Area Code | 217 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Petersburg, Illinois Weather Page
This page provides live weather conditions and forecasts for Petersburg, 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 Petersburg includes coordinates 38.592272°N, 89.921213°W, situated in St. Clair County. ZIP code 62466, 62269, 62675. 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.
