Thermalito Forebay North Picnic Area UV IndexUnited StatesCAButte CountyThermalito Forebay North Picnic Area1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAThermalito Forebay North Picnic Area UV forecast issued today at 12:17 pm. Next forecast at approx. 12:17 pm.Get WillyWeather+ to remove ads