Heat Advisory

Locations Affected

Chico, CA ∙ Redding, CA ∙ Yuba City, CA ∙ Sacramento National Wildlife Refuge, CA ∙ Oroville Municipal Airport, CA ∙ Nicolaus, CA ∙ Whiskeytown-Shasta-Trinity National Recreation Area, CA ∙ Keswick, CA ∙ Glenn, CA ∙ Linda, CA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Sacramento CA 1101 AM PDT Tue Jun 9 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM THURSDAY TO 11 PM PDT SATURDAY... * WHAT...Temperatures up to 100 to 105 expected, with widespread Moderate HeatRisk and areas of Major HeatRisk on Friday and Saturday. * WHERE...The northern and central Sacramento Valley and adjacent foothills. * WHEN...From 11 AM Thursday to 11 PM PDT Saturday. * IMPACTS...Hot temperatures may cause heat illnesses, especially in those more sensitive to heat. * ADDITIONAL DETAILS...Hot daytime temperatures will occur in other Valley locations as well, though Delta influence will better moderate local temperatures in the remainder of the Valley. 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.

---