Potosi, Wisconsin Weather
Potosi, Wisconsin — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Potosi, Grant County.
Full aviation weather for Potosi is published on the Lancaster Municipal Airport (K73C) page, 10 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 Potosi 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 Potosi: Cassville Municipal Airport (KC74) 21 km · Platteville Municipal Airport (KPVB) 22 km · Dubuque Regional Airport (KDBQ) 32 km · Hird Airport (K9W7) 37 km · Iowa County Airport (KMRJ) 45 km
Conditions reported at K73C describe the airfield itself. Weather 10 km away can differ, particularly in terrain or near the coast. For conditions at Potosi specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Potosi.
About Potosi, Wisconsin
Potosi rests in a land of rolling hills and fertile valleys, where the Mississippi River's influence is felt in the languid curves of the landscape. It lies 13.3 miles north of Dubuque, IA (from Dubuque, IA: bearing 350°T), and is situated 7.5 miles north-west of Dickeyville. The air, especially in the early morning, carries the damp, earthy scent of rich soil and the distant promise of dew-kissed fields. Here, the topography is a soft, generous swell, a series of gentle rises and dips that cradle farmsteads and the quiet streets of Potosi itself. The sky above seems to stretch wider here, a vast canvas that can hold the fierce blue of summer or the bruised, dramatic hues of an approaching storm. This is a place where the land feels palpably alive, breathing with the slow, steady pulse of agricultural life. The history of Potosi is inextricably linked to the bounty of this land, a legacy shaped by lead mining that once echoed through these hills, leaving behind whispers of fortunes made and lost. Today, however, the economy thrives on the enduring fertility of the soil, with dairy farms and agricultural enterprises forming the backbone of Potosi's prosperity. The Mississippi River, a constant, murmuring presence, not only shapes the horizon but also serves as a vital artery for transport and recreation, its broad waters reflecting the changing light of day. Local traditions, passed down through generations, often revolve around the harvest and the camaraderie of a community that understands the deep connection between human endeavor and the earth's enduring generosity.
Live animated radar for Potosi 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 | Potosi, Grant County, Wisconsin |
| Coordinates | 42.689439°N, 90.712071°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 53820 |
| Area Code | 920 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Potosi, Wisconsin Weather Page
This page provides live weather conditions and forecasts for Potosi, Wisconsin, 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 Potosi includes coordinates 42.689439°N, 90.712071°W, situated in Grant County. ZIP code 53820. Telephone area code: 920. 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.
