Heat Advisory issued August 9 at 12:24AM PDT until August 9 at 10:00PM PDT by NWS Sacramento CA

Western Shasta County Mountains Above 3000 ft; Western Shasta County Foothills Between 1000-3000 ft; Shasta Lake Area and Interstate 5 Between 1000-3000 ft; South-Central Shasta County Including Redding Metro; Eastern Shasta County Foothills Between 1000-3000 ft; Eastern Shasta County Mountains and Southern Cascades Above 3000 ft; Burney Basin; Lassen Volcanic National Park; Sierra Nevada of Tehama-Butte-Plumas Counties Between 1000-3000 ft; Sierra Nevada of Tehama-Butte-Plumas Counties Above 3000 ft; Northern Motherlode Between 1000-3000 ft; Sierra Nevada of Yuba-Sierra-Nevada-Placer Counties Between 3000-5000 ft Including Interstate 80; Sierra Nevada of Sierra-Nevada-Placer Counties Above 5000 ft Including Interstate 80; Central Motherlode Between 1000-3000 ft; Sierra Nevada of El Dorado and Amador Counties Between 3000-5000 ft Including Highway 50; Southern Motherlode Between 1000-3000 ft; Sierra Nevada of Calaveras and Tuolumne Counties Between 3000-5000 ft; Tehama County Coast Range Above 3000 ft; Western Tehama County Foothills Between 1000-3000 ft; Northern Sacramento Valley in Tehama County; Glenn and Colusa County Coast Range Above 3000 ft; Central Glenn County Including Interstate 5; Eastern Glenn County; Butte County Below 1000 ft; Western Glenn and Colusa County Foothills Between 1000-3000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Capay Hills of Yolo County and Vaca Hills of Solano County; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Eastern Diablo Range Above 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro