Simpson, Illinois Weather
Simpson, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Simpson, Johnson County.
Full aviation weather for Simpson is published on the Metropolis Municipal Airport (KM30) page, 32 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 Simpson 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 Simpson: Veterans Airport of Southern Illinois (KMWA) 39 km · Harrisburg-Raleigh Airport (KHSB) 42 km · Barkley Regional Airport (KPAH) 45 km · Southern Illinois Airport (KMDH) 56 km · Marion-Crittenden County James C Johnson Regional Airport (KGDA) 59 km
Conditions reported at KM30 describe the airfield itself. Weather 32 km away can differ, particularly in terrain or near the coast. For conditions at Simpson specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Simpson.
About Simpson, Illinois
Simpson sprawls across a gentle rise, where the broad, flat fields of Southern Illinois begin their slow, deliberate swell towards the Shawnee National Forest. It lies 27.9 miles north-north-west of Paducah, KY (from Paducah, KY: bearing 342°T), and is situated 8.6 miles east-north-east of Vienna. The air here, especially after a rain, carries the damp, earthy perfume of rich soil and pine needles, a scent that clings to the faded clapboard houses and the stoic faces of its inhabitants. Long shadows stretch from the ancient oaks that still guard the edges of properties, their limbs gnarled like the hands of old farmers, and the sky overhead often holds a bruised, dramatic beauty, particularly at dusk, when the light bleeds from amber to violet across the vast, open canvas. The landscape itself feels worn smooth by generations, a quiet testament to the persistent rhythm of planting and harvest. The history of Simpson is etched into the very land, a story shaped by the fertile soil and the promise of agriculture. Once, this area buzzed with the quiet industry of farming, corn and soybeans stretching to the horizon, their stalks rustling secrets in the summer breeze, supporting families through lean times and bountiful ones alike. Though the larger agricultural operations have shifted, the echoes of that past remain, in the weathered barns and the enduring spirit of self-reliance that defines Simpson. The nearby Shawnee National Forest, a verdant expanse of rolling hills and hidden creeks, offers a sanctuary of wildness, a place where the old ways of the land still hold sway and where the quiet beauty of the Ozark foothills can be found in abundance.
Live animated radar for Simpson 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 | Simpson, Johnson County, Illinois |
| Coordinates | 37.467273°N, 88.755059°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 62985 |
| Area Code | 618 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Simpson, Illinois Weather Page
This page provides live weather conditions and forecasts for Simpson, 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 Simpson includes coordinates 37.467273°N, 88.755059°W, situated in Johnson County. ZIP code 62985. 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.
