Full Notification

* WHAT...Dangerously hot conditions with temperatures of 105 to 115. Limited overnight relief with low temperatures in the upper 60s to mid 80s. Resultant widespread Major HeatRisk, with areas of Extreme HeatRisk.

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

* WHEN...From 11 AM Tuesday to 8 PM PDT Sunday.

* 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.

* AFFECTED AREAS: 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. Monitor the latest forecasts and warnings for updates.