Madison Audubon's Erstad Prairie UV IndexUnited StatesWIColumbia CountyMadison Audubon's Erstad Prairie1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAMadison Audubon's Erstad Prairie UV forecast issued today at 1:17 pm. Next forecast at approx. 1:17 pm.Get WillyWeather+ to remove ads