Full Notification

* WHAT...Dangerously hot conditions with high temperatures from 105 to 118. Limited overnight relief with low temperatures in the upper 60s to mid 80s. Widespread Major to Extreme HeatRisk is expected.

* WHERE...Carquinez Strait and Delta, Motherlode, Mountains Southwestern Shasta County to Western Colusa County, Northeast Foothills, Sacramento Valley, Northern San Joaquin Valley, Shasta Lake Area / Northern Shasta County.

* WHEN...Until 11 PM PDT Tuesday.

* IMPACTS...Heat related illnesses increase significantly during extreme heat events, particularly for those working or participating in outdoor activities.

* ADDITIONAL DETAILS...Heat could significantly impact outdoor holiday activities. Area waterways will continue to run cold and fast, creating dangerous conditions for those seeking relief in rivers and lakes. Delta breeze influence will result in slightly cooler, but still hot temperatures in the Vicinity Delta and western portions of the Sacramento Area by late weekend into early next week.

* AFFECTED AREAS: SHASTA LAKE AREA / NORTHERN SHASTA COUNTY ... NORTHERN SACRAMENTO VALLEY ... CENTRAL SACRAMENTO VALLEY ... SOUTHERN SACRAMENTO VALLEY ... CARQUINEZ STRAIT AND DELTA ... NORTHERN SAN JOAQUIN VALLEY ... MOUNTAINS SOUTHWESTERN SHASTA COUNTY TO WESTERN COLUSA COUNTY ... NORTHEAST FOOTHILLS/SACRAMENTO VALLEY ... MOTHERLODE

Instructions:

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Stay cool, stay hydrated, stay informed. Monitor the latest forecasts and warnings for updates.