Central Valley placed under a heat advisory until Saturday night

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A heat advisory was issued by the NWS Sacramento CA on Thursday at 11:13 a.m. in effect until Saturday at 11 p.m. The advisory is for Western Shasta County Foothills Between 1000-3000 ft, South-Central Shasta County Including Redding Metro, Sierra Nevada of Tehama-Butte-Plumas counties Between 1000-3000 ft, Western Tehama County Foothills Between 1000-3000 ft, Northern Sacramento Valley in Tehama County, Central Glenn County Including Interstate 5, Eastern Glenn County, Butte County Below 1000 ft, Western Glenn and Colusa County Foothills Between 1000-3000 ft, Central Colusa County Including Interstate 5, Eastern Colusa County and Sutter and Yuba counties Below 1000 ft.

"Temperatures up to 100 degrees to 105 expected, with widespread Moderate HeatRisk and areas of Major HeatRisk into Friday," can be expected according to the NWS. "Hot daytime temperatures will occur in other Valley locations as well, though Delta breeze influence will better moderate local temperatures in the remainder of the Valley."

"Hot temperatures may cause heat illnesses, especially in those more sensitive to heat," comments the NWS.

This advisory is in effect until Saturday at 11 p.m.

During heat waves, consider the following tips from the NWS

• Stay hydrated: Keep yourself well-hydrated by drinking plenty of fluids.
• Seek shelter: Stay indoors in an air-conditioned room to keep cool.
• Stay out of the sun, and check up on relatives and neighbors.
• Child and pet safety: Never leave young children and pets unattended in vehicles, especially when car interiors can reach lethal temperatures within minutes.
• Take extra precautions outdoors: If you work or spend time outside, be sure to take additional safety measures.
• Optimal Timing: When possible, reschedule strenuous activities to early morning or evening.
• Know the red flags: Understand the signs and symptoms of heat exhaustion and heat stroke.
• Dress comfortably: Wear lightweight and loose-fitting clothing.

To reduce risk during outdoor work, the Occupational Safety and Health Administration (OSHA) recommends scheduling frequent rest breaks in shaded or air-conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. In an emergency, call 911.

Source: The National Weather Service

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This story was originally published June 11, 2026 at 11:16 AM.