Heat advisory in place for Northern California until Monday night

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On Monday at 1:29 a.m. a heat advisory was issued by the NWS Sacramento CA valid between 10 a.m. and 10 p.m. The advisory is for 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, Northern Motherlode Between 1000-3000 ft, Central Motherlode Between 1000-3000 ft, Southern Motherlode 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, Sutter and Yuba counties Below 1000 ft, Capay Hills of Yolo County and Vaca Hills of Solano County, Western Yolo County Including Capay Valley and Interstate 505, Central Yolo and Northeast Solano counties Including Woodland and Davis, Sacramento Metro and Western El Dorado and Amador counties, Central Solano County Including Fairfield and Vacaville, Sacramento County Delta, San Joaquin County Delta, Central San Joaquin County Including Stockton Metro, Tracy Triangle Below 1000 ft, Northeastern San Joaquin Valley Below 1000 ft, Eastern Diablo Range Above 1000 ft, Western Stanislaus County Below 1000 ft Including Interstate 5 and Central Stanislaus County Including Modesto Metro.

“Temperatures of 102 to 108 degrees expected, with widespread Moderate HeatRisk and areas of Major HeatRisk today,” can be anticipated according to the NWS. “Hottest temperatures expected in the northern Sacramento Valley.”

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“Hot temperatures may cause heat illnesses, especially in those more sensitive to heat,” says the NWS.

This advisory is in effect until 10 p.m.

Protect yourself during a heat wave with these 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.
• Avoid direct sun exposure: Protect yourself and check on vulnerable relatives and neighbors.
• Child and pet safety: Do not leave young children and pets unattended in vehicles when car interiors can reach lethal temperatures in a matter of minutes.
• Be cautious outdoors: Take extra precautions if you work or spend time outside.
• Time your activities wisely: When possible, reschedule strenuous activities to early morning or evening.
• Familiarize yourself with warning signs: Know the symptoms of heat exhaustion and heat stroke.
• Stay cool with clothing: Select lightweight and loose-fitting outfits for enhanced comfort.

To ensure safety during outdoor work, adhere to the Occupational Safety and Health Administration (OSHA)’s recommendations by incorporating regular rest breaks in shaded or air-conditioned environments. If someone is affected by heat, immediately transfer them to a cool and shaded area. In an emergency, call 911.

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Source: The National Weather Service

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This story was originally published August 3, 2026 at 1:32 AM.