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, Lawrence County.
Full aviation weather for Petersburg is published on the Mount Carmel Municipal Airport (KAJG) 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: O'Neal Airport (KOEA) 27 km · Lawrenceville Vincennes International Airport (KLWV) 27 km · Olney Noble Airport (KOLY) 33 km · Ed-Air Airport (KI20) 41 km · Robinson Municipal Airport (KRSV) 50 km
Conditions reported at KAJG 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, Illinois, unfolds across a landscape where the broad, fertile plains of the American Midwest gently curve and dip. It lies 37.9 miles north-north-west of Vanderburgh, IN (from Vanderburgh, IN: bearing 339°T), and is situated 8.8 miles south of Sumner. The land here, a rich loam that promises bounty, is softened by the presence of small, meandering creeks that thread their way through fields of ripening corn and soybeans, catching the late afternoon sun in glinting ribbons. The sky above Petersburg is vast, an immense canvas that shifts from the pale, washed-out blue of midday to the bruised purples and oranges of twilight, a spectacle that lends a profound stillness to the surrounding countryside. Mature oaks and maples, their branches heavy with the secrets of seasons past, stand as silent sentinels, marking the edges of cultivated fields and offering pockets of cool shade. The history of Petersburg is deeply entwined with the rich soil it commands and the nearby Sangamon River, a waterway that once facilitated trade and transportation, shaping the fortunes of this settlement. Established in the mid-19th century, Petersburg grew as a hub for agricultural commerce, its economy built on the robust yields of wheat, corn, and livestock. The echoes of that era can still be felt in the sturdy, unpretentious architecture of the older buildings downtown, remnants of a time when the pace of life was dictated by the sun and the seasons. While farming remains a cornerstone of Petersburg's identity, the town has also cultivated a quiet resilience, a characteristic demeanor that mirrors the enduring strength of the land itself.
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, Lawrence County, Illinois |
| Coordinates | 38.591715°N, 87.831142°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 38.591715°N, 87.831142°W, situated in Lawrence 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.
