Nearest Potato Hill (observations based on Chico, which is northeast): http://www.crh.noaa.gov/forecasts/CAZ016.php?warncounty=CAC011&city=Stonyford
Southwest of Potato Hill (observations based on Ukiah): http://www.crh.noaa.gov/forecasts/CAZ076.php?warncounty=CAC045&city=Ukiah
South of Potato Hill (observations also based on Ukiah): http://www.crh.noaa.gov/forecasts/CAZ064.php?warncounty=CAC033&city=Clearlake