Heat Advisory

Locations Affected

Sacramento, CA ∙ Stockton, CA ∙ Modesto, CA ∙ Elk Grove, CA ∙ Vallejo, CA ∙ Fairfield, CA ∙ Roseville, CA ∙ Tracy, CA ∙ Citrus Heights, CA ∙ Chico, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Sacramento CA 1208 PM PDT Tue May 27 2025 ...HEAT ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 11 PM PDT SATURDAY... * WHAT...Dangerously hot conditions with temperatures 99 to 109 and widespread Major HeatRisk expected. Limited overnight relief with low temperatures in the mid 60s to mid 70s. * WHERE...Carquinez Strait and Delta, Sacramento Valley, Motherlode, Mountains Southwestern Shasta County to Western Colusa County, Northeast Foothills, Northern San Joaquin Valley, and Shasta Lake Area / Northern Shasta County. * WHEN...From 11 AM Friday to 11 PM PDT Saturday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...Area waterways continue to run cold and fast, creating dangerous conditions for those seeking relief in rivers and lakes. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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.

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