Heat Advisory

Locations Affected

Modesto, CA ∙ Chico, CA ∙ Turlock, CA ∙ Colusa, CA ∙ West Modesto, CA ∙ Gridley, CA ∙ Parklawn, CA ∙ Oroville East, CA ∙ Denair, CA ∙ Grayson, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Sacramento CA 1027 AM PDT Sun May 10 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM MONDAY TO 8 PM PDT TUESDAY... * WHAT...Temperatures up to 95 to 100 expected with widespread Moderate HeatRisk. * WHERE...Central and Western Stanislaus County including Modesto and I-5, Butte County below 1000 ft, Eastern Colusa County, and Eastern Glenn County. * WHEN...From 11 AM Monday to 8 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 as well, though Delta influence will better moderate low temperatures providing overnight relief. 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.

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