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Jefferson, South Dakota Weather

Jefferson, South Dakota — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery for Jefferson, Union 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 Jefferson — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…

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🌿 Air Quality
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NWS Extended Forecast
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📡 Precipitation Radar

Live animated radar for Jefferson 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 Jefferson, South Dakota

Jefferson, South Dakota, lies where the rolling prairie begins to softly yield to the wide embrace of the Missouri River. It lies 10.8 miles north-west of Sioux City, IA (from Sioux City, IA: bearing 311°T), and is situated 8.8 miles north-north-west of Dakota Dunes. The land here is a study in subtle gradients, a vast canvas of cultivated fields that shimmer with the gold of ripening corn and the deep green of soybeans under an immense sky. The air, especially in the quiet hours of dawn, carries a faint, clean scent of damp earth and distant, blooming wildflowers, a fragrance that seems to settle over the scattered farmsteads and the unassuming heart of Jefferson itself. There are no dramatic peaks or deep valleys to command the eye, only the steady, patient architecture of the land, shaped by wind and water into a landscape that feels both timeless and intimately present. The history of Jefferson is tied to the very water that defines its eastern edge, the mighty Missouri, a artery that once pulsed with steamboat traffic and the dreams of westward expansion. Early settlers, drawn by the fertile bottomlands, established a community that learned to live with the river's moods, its generous floods and its sometimes grudging recession. The economy, once reliant on agriculture and the river's trade, now finds its pulse in the surrounding farmlands, with grain elevators standing as silent sentinels to the harvest. Though Jefferson is small, its connection to the broader currents of American history is undeniable, a quiet testament to the enduring spirit of those who chose to make their lives on these fertile, wind-swept plains.

LocationJefferson, Union County, South Dakota
Coordinates42.602495°N, 96.559199°W
TimezoneCentral Time (America/Chicago)
ZIP Code(s)57038
Area Code605
Page generatedJune 2026
Weather dataOpen-Meteo (open-source), NOAA National Weather Service