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 3:51 am. Next forecast at approx. 3:51 am.Get an account to remove ads