Lake Koshkonong, Wisconsin — live current conditions, hourly and 7-day forecasts, NWS alerts, aviation weather, radar and satellite imagery, soil and crop conditions for Lake Koshkonong, Jefferson County.
Flight conditions near Lake Koshkonong — sourced from the FAA Aviation Weather Center. Nearest reporting station: locating…
Soil conditions, frost risk and crop weather for Lake Koshkonong.
Live animated radar for Lake Koshkonong 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
Lake Koshkonong is a broad, shallow expanse of water that breathes with the prairie wind, its surface often rippled like watered silk under a sky that can shift from brilliant azure to a bruised, tempestuous grey with startling speed. It lies 16.5 miles north-north-east of Janesville, WI (from Janesville, WI: bearing 18°T), and is situated 4.4 miles west-south-west of Fort Atkinson. The landscape surrounding Lake Koshkonong is a gentle unfolding of fertile farmland, a mosaic of cornfields and soybeans that stretch to the horizon, punctuated by groves of oak and maple. Along its shores, wild rice sways in the marshy shallows, a verdant fringe that harbors a bustling community of waterfowl, their calls a constant, wild chorus. The air here carries the clean scent of damp earth and growing things, especially potent after a summer rain, and in the fading light of dusk, the water reflects the deepening hues of the sky, transforming the lake into a mirror of molten gold and deepening violet. The history of Lake Koshkonong is deeply entwined with the agricultural bounty of the land, and for generations, its fertile soil has yielded abundant harvests, supporting a robust local economy built on farming and dairy. Indigenous peoples once knew this place as a rich source of sustenance, and their legacy whispers in the rustling reeds and the stories carried on the breeze. Today, the rhythm of life at Lake Koshkonong is still largely dictated by the seasons and the turning of the earth, though a growing appreciation for its natural beauty has brought new life to its shores. Small communities dot the landscape, their quiet streets lined with modest homes and businesses, their inhabitants drawing sustenance and a sense of place from the enduring presence of the lake and the surrounding countryside. The fishing boats that glide across the water in the early morning mist are a familiar sight, a testament to the enduring connection between the people and the gifts of Lake Koshkonong.
| Location | Lake Koshkonong, Jefferson County, Wisconsin |
| Coordinates | 42.909727°N, 88.919553°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 53538 |
| Area Code | 715 |
| Page generated | June 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |