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Mount Vernon, Illinois Weather

Mount Vernon, Illinois — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Mount Vernon, Jefferson 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

Flight conditions near Mount Vernon — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Mount Vernon 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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About Mount Vernon, Illinois

Mount Vernon, Illinois, unfurls across a landscape shaped by the gentle slopes and broad horizons of southern Illinois. It lies 57.7 miles east-south-east of O Fallon, IL (from O Fallon, IL: bearing 109°T), and is situated 7.1 miles east of Woodlawn. Here, the cultivated fields, a patchwork of emerald and gold depending on the season, stretch towards a sky that often feels immense, especially as the sun dips low, painting the clouds in hues of rose and lavender. The air itself carries a certain stillness, a quiet breath that hints at the fertile earth and the patient cultivation that defines this region. Interspersed with the farmland, stands of oak and maple trees, their branches reaching skyward, offer pockets of shade and a subtle, rustling counterpoint to the open expanse. The story of Mount Vernon is interwoven with the agricultural bounty of Jefferson County, a place where the fertile soil has long been the bedrock of its economy. For generations, the land has yielded its harvest, supporting families and shaping the character of the community. The presence of major roadways, arteries of commerce, underscores its role as a crossroads, a place where goods and people have moved for decades. Beyond the fields, the Rend Lake area, a jewel of recreational waters and natural beauty, offers a different kind of allure, drawing visitors for its boating, fishing, and the simple pleasure of being by the water's edge, a tranquil contrast to the industrious hum of the town.

LocationMount Vernon, Jefferson County, Illinois
Coordinates38.317272°N, 88.90312°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)62864
Area Code618
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service