Extreme heat warning affecting Shasta Cascade until Tuesday night, says the NWS

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An extreme heat warning was released by the NWS Sacramento CA on Tuesday at 11:21 a.m. in effect until 11 p.m. The warning is for Western Shasta County Mountains Above 3000 ft, Western Shasta County Foothills Between 1000-3000 ft, Shasta Lake Area and Interstate 5 Between 1000-3000 ft, South-Central Shasta County Including Redding Metro, Eastern Shasta County Foothills Between 1000-3000 ft, Sierra Nevada of Tehama-Butte-Plumas counties Between 1000-3000 ft, Tehama County Coast Range Above 3000 ft, Western Tehama County Foothills Between 1000-3000 ft, Northern Sacramento Valley in Tehama County and Butte County Below 1000 ft.

"Dangerously hot conditions with temperatures up to 105 degrees," can be anticipated according to the NWS. "Hot daytime temperatures will occur in other Valley locations, however Delta breeze influence will help keep temperatures cooler in the vicinity Delta and western Sacramento."

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

This warning is in effect until 11 p.m.

Tips from the NWS for staying safe during a heat wave

• Consume plenty of fluids to stay hydrated.
• Stay in an air-conditioned room.
• Check on others: Stay out of the sun, and make sure to check up on relatives and neighbors.
• Child and pet welfare: Never forget to safeguard young children and pets by not leaving them unattended in vehicles, especially during scorching weather when car interiors can become life-threateningly hot.
• Be cautious outdoors: Take extra precautions if you work or spend time outside.
• Time your activities wisely: If possible, reschedule strenuous activities to early morning or evening when the heat is less intense.
• Be alert to warning signs: Educate yourself about the signs and symptoms of heat exhaustion and heat stroke.
• Dress comfortably: Wear lightweight and loose-fitting clothing.

To minimize risks during outdoor work, the Occupational Safety and Health Administration (OSHA) advises incorporating frequent rest breaks in shaded or air-conditioned areas. If someone experiences heat-related symptoms, promptly relocate them to a cool and shaded spot. In case of an emergency, dial 911.

Source: The National Weather Service

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This story was originally published June 16, 2026 at 11:26 AM.