Lake Petersburg, Illinois Weather
Lake Petersburg, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for Lake Petersburg, Menard County.
Flight conditions near Lake Petersburg. Data source: locating…
Soil conditions, frost risk and crop weather for Lake Petersburg.
About Lake Petersburg, Illinois
Lake Petersburg lies cradled by rolling terrain, a tranquil expanse of water reflecting the broad Illinois sky. It lies 17.1 miles north-west of Springfield, IL (from Springfield, IL: bearing 317°T), and is situated 2.1 miles south-south-west of Petersburg. The land here is a gentle undulation of fertile soil, where fields of corn and soybeans stretch towards the horizon, their broad leaves whispering secrets to the wind. The air, particularly in the late afternoon, carries a faint, earthy perfume, a blend of sun-baked soil and distant mown hay, and the water itself, a placid mirror, seems to absorb the quietude of its surroundings. The shoreline is a mosaic of reeds and willows, their branches dipping into the cool, clear depths, offering a sanctuary for the myriad of birdlife that calls this place home. The history of Lake Petersburg is intertwined with the agricultural heart of Menard County, a legacy shaped by generations of farmers who have worked this rich earth. While not a bustling metropolis, Lake Petersburg has long served as a quiet gathering place, its modest beginnings echoing the pioneering spirit of early settlers. The local economy, deeply rooted in the bounty of the surrounding farmland, thrives on the cultivation of crops that feed the nation, a steady, dependable rhythm that underpins everyday life. The waters of Lake Petersburg itself offer a different kind of bounty, providing recreation and a place of quiet contemplation for residents and visitors alike, a subtle but significant thread in the fabric of this enduring locality.
Live animated radar for Lake 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 | Lake Petersburg, Menard County, Illinois |
| Coordinates | 39.98358°N, 89.86207°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62675 |
| Area Code | 217 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Lake Petersburg, Illinois Weather Page
This page provides live weather conditions and forecasts for Lake 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 Lake Petersburg includes coordinates 39.983580°N, 89.862070°W, situated in Menard County. ZIP code 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.
