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Potomac, Illinois Weather

Potomac, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Potomac, Vermilion County.

🌡️ Current Conditions
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24-Hour Forecast
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Current Conditions Detail
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7-Day Forecast
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✈️ Aviation Weather

Full aviation weather for Potomac is published on the Vermilion Regional Airport (KDNV) page, 21 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 Potomac 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 Potomac: Rantoul National Aviation Center - Frank Elliot field (KTIP) 29 km · Paxton Airport (K1C1) 32 km · Frasca Field (KC16) 38 km · University of Illinois Willard Airport (KCMI) 50 km · Kentland Municipal Airport (K50I) 59 km

Conditions reported at KDNV describe the airfield itself. Weather 21 km away can differ, particularly in terrain or near the coast. For conditions at Potomac specifically, see the current conditions and forecast above.

🚜 Agricultural Weather

Soil conditions, frost risk and crop weather for Potomac.

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About Potomac, Illinois

Potomac rests in the embrace of Vermilion County's rolling farmlands, where the sky stretches wide and the horizon seems an endless invitation. It lies 15.4 miles north-west of Danville, IL (from Danville, IL: bearing 324°T), and is situated 8.6 miles south-west of Rossville. The land here is a gentle swell, a soft topography shaped by ancient glaciers, now painted in broad strokes of emerald and gold by corn and soybean fields. The air itself carries a particular stillness, broken only by the whisper of wind through stalks and the distant hum of agricultural machinery, a quiet symphony for a place that lives by the sun and the soil. Evenings cast a luminous glow across the landscape, the setting sun bleeding hues of rose and amethyst into the western sky, a daily benediction over the fertile ground. The story of Potomac is one of perseverance and agrarian spirit, a narrative etched into the very character of the place. Its roots are deeply entwined with the agricultural bounty of this region, a legacy that continues to define its local economy. Generations have worked this earth, their efforts yielding the crops that sustain not only this community but also reach far beyond its borders. While the fields are the dominant feature, the heart of Potomac beats in its modest downtown, a collection of businesses that serve as the town's gathering places, reflecting a close-knit community where neighbors know each other's names and the pace of life allows for genuine connection. The enduring rhythm of planting and harvest dictates much of the year, a testament to the enduring power of the land.

NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Potomac and surroundings — RainViewer.

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🛰️ Satellite Imagery

NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.

NOAA GOES-16 CONUS GEOCOLOR satellite animated loop
🛰️ GEOCOLOR loop 🌡️ Infrared (IR) 🌀 NHC Hurricane Satellite 🔗 NOAA Full Viewer

Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload

🌙 Astronomy
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LocationPotomac, Vermilion County, Illinois
Coordinates40.305036°N, 87.800583°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)61865
Area Code309
Page generatedSeptember 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service

About This Potomac, Illinois Weather Page

This page provides live weather conditions and forecasts for Potomac, 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 Potomac includes coordinates 40.305036°N, 87.800583°W, situated in Vermilion County. ZIP code 61865. Telephone area code: 309. 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.