Harrisburg, Illinois Weather
Harrisburg, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery for Harrisburg, Saline County.
Full aviation weather for Harrisburg is published on the Harrisburg-Raleigh Airport (KHSB) page, 8 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 Harrisburg 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 Harrisburg: Veterans Airport of Southern Illinois (KMWA) 42 km · Benton Municipal Airport (KH96) 46 km · Carmi Municipal Airport (KCUL) 54 km · Sturgis Municipal Airport (KTWT) 56 km · Marion-Crittenden County James C Johnson Regional Airport (KGDA) 59 km
Conditions reported at KHSB describe the airfield itself. Weather 8 km away can differ, particularly in terrain or near the coast. For conditions at Harrisburg specifically, see the current conditions and forecast above.
About Harrisburg, Illinois
Harrisburg unfolds across a landscape shaped by the gentle, rolling terrain of southern Illinois. It lies 39.7 miles west-south-west of Posey, IN (from Posey, IN: bearing 243°T), and is situated 7.6 miles south-west of Eldorado. The air here, especially in the late afternoon, carries a soft, earthy scent, a blend of sun-baked soil and the distant whisper of cultivated fields. Farms, their rows of corn and soybeans stretching towards the horizon, punctuate the greenness, broken by clusters of trees that stand sentinel along the shallow ravines and creek beds. The sky overhead is expansive, a vast canvas that shifts from the pale, hazy blue of midday to a dramatic, bruised purple as dusk approaches, painting the scattered clouds in hues of rose and ember. The houses, many with porches that invite lingering, seem to settle comfortably into the land, their roofs reflecting the changing light. The story of Harrisburg is deeply entwined with the rich veins of coal that lie beneath its soil, a legacy that has defined its economy and character for generations. This industrious past is etched into the very memory of the place, a subtle hum beneath the surface of everyday life. While the deepest mines may be silent now, the spirit of hard work and community resilience persists, evident in the local businesses and the quiet pride of its residents. The Shawnee National Forest, a verdant expanse of hills and waterways, beckons just beyond the town's edge, offering a natural counterpoint to the industrial history, a place where the land remembers a time before the pickaxe and the blast.
Live animated radar for Harrisburg 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 | Harrisburg, Saline County, Illinois |
| Coordinates | 37.738381°N, 88.540607°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62946 |
| Area Code | 618 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Harrisburg, Illinois Weather Page
This page provides live weather conditions and forecasts for Harrisburg, 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 Harrisburg includes coordinates 37.738381°N, 88.540607°W, situated in Saline County. ZIP code 62946. Telephone area code: 618. 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.
