Weather Alerts For Oroville, CA

# HEADLINE -------------------- HEAT ADVISORY IN EFFECT FROM 11 AM MONDAY TO 8 PM PDT TUESDAY # DETAILS -------------------- 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. ISSUED AT Friday, May 8, 2026 at 11:05 AM PDT ISSUED BY National Weather Service Sacramento CA HEADER URGENT - WEATHER MESSAGE # 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. # AREAS AFFECTED -------------------- 5, Butte County Below 1000 ft, C. Stanislaus County including Modesto, Eastern Colusa County, Eastern Glenn County, W. Stanislaus County Above 1000 ft & I Including the cities of Colusa, Chico, Oroville, Gridley, Modesto, and Turlock