California Extreme Heat Warning - Severe | Effective 06/13/2026 22:53

Headline: 
Extreme Heat Warning issued June 13 at 10:53PM PDT until June 16 at 11:00PM PDT by NWS Sacramento CA
Event: 
Extreme Heat Warning
Urgency: 
Expected
Effective: 
June 13, 2026 - 10:53pm
Expires: 
June 14, 2026 - 3:00pm
Description: 
* WHAT...Dangerously hot conditions with high temperatures up to 110 and overnight low temperatures in the 70s expected with widespread Major HeatRisk. * WHERE...Shasta County Foothills 1000-3000 ft, Shasta Lake Area & 1-5 1000-3000 ft, Tehama Co Coast Range Above 3000 ft, and W. Shasta County Above 3000 ft. * WHEN...From 11 AM Sunday to 11 PM PDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events. * ADDITIONAL DETAILS...Hot daytime temperatures will occur in other Valley locations, though Delta breeze influence will better moderate local temperatures in the remainder of the Valley.
Instruction: 
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Area Description: 
Western Shasta County Mountains Above 3000 ft; Shasta Lake Area and Interstate 5 Between 1000-3000 ft; Eastern Shasta County Foothills Between 1000-3000 ft; Tehama County Coast Range Above 3000 ft
Forcast Office: 
NWS Sacramento CA