Petersburg, Illinois Weather
Petersburg, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Petersburg, St. Clair County.
Full aviation weather for Petersburg is published on the Scott AFB/Midamerica Airport (KBLV) page, 9 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 Petersburg 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 Petersburg: St Louis Downtown Airport (KCPS) 21 km · St Louis Regional Airport (KALN) 35 km · St. Louis Lambert International Airport (KSTL) 43 km · Sparta Community Airport - Hunter Field (KSAR) 53 km · Creve Coeur Airport (K1H0) 53 km
Conditions reported at KBLV describe the airfield itself. Weather 9 km away can differ, particularly in terrain or near the coast. For conditions at Petersburg specifically, see the current conditions and forecast above.
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 | September 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, 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 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. 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.
