* WHAT...Dangerously hot conditions with high temperatures up to 110 and overnight low temperatures in the 70s expected with widespread Major HeatRisk.
* WHERE...Butte County Below 1000 ft, N. Sac Valley in Tehama County, Shasta County Foothills 1000-3000 ft, Shasta Lake Area & 1-5 1000-3000 ft, Shasta Metro, Sierra (Tehama-Plumas) 1000-3000 ft, Tehama Co Coast Range Above 3000 ft, W Tehama Co Foothills 1000-3000 ft, W. Shasta County 1000-3000 ft, and W. Shasta County Above 3000 ft.
* WHEN...Until 11 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses, especially for those more sensitive to heat.
* ADDITIONAL DETAILS...Hot daytime temperatures will occur in other Valley locations, however Delta breeze influence will help keep temperatures cooler in the vicinity Delta and western Sacramento.