What is Extreme Heat?An extreme heat event is two or more days and nights of unusually high heat for your region. California is experiencing more frequent episodes of extreme heat, creating a greater danger to Californians from heat-related illness.
How to Stay InformedCheck the local news and resources for weather forecasts, extreme heat alerts, and cooling centers.
Find additional resources to help handle the heat.
Scroll down to resourcesAssess Your RiskExtreme heat puts a lot of stress on your body and can be deadly. Find out if you are or a loved one are at a higher risk for heat related illness.
Make a PlanAs with earthquakes, floods, or other serious natural weather events, planning can help protect yourself and vulnerable family members.
Move to Cooler PlaceFind a cooling center, community center, public library, shopping mall, or other air-conditioned building that can provide relief.
Know the Warning Signs
of Heat-Related IllnessSymptoms of heat stroke and heat exhaustion can include heavy sweating, muscle cramps, feeling weak, headache, nausea or vomiting, tiredness, or dizziness.
Stay CoolAvoid being outside in the direct heat for a long time. Try to stay in air-conditioned spaces, at home with your A/C set between 75-80 degrees, or at your local library, shopping mall, or community center. If staying home, keep blinds closed and wear loose, light-colored, lightweight clothing.
Stay HydratedSip water all day and consider supplementing with sports drinks. Avoid caffeine and alcohol.
Look After Each OtherCheck in on friends and family and have them do the same for you.
How to Stay InformedCheck the local news and resources for weather forecasts, extreme heat alerts, and cooling centers.
Find additional resources to help handle the heat.
Scroll down to resourcesAssess Your RiskExtreme heat puts a lot of stress on your body and can be deadly. Find out if you are or a loved one are at a higher risk for heat related illness.
Make a PlanAs with earthquakes, floods, or other serious natural weather events, planning can help protect yourself and vulnerable family members.
Move to Cooler PlaceFind a cooling center, community center, public library, shopping mall, or other air-conditioned building that can provide relief.
Know the Warning Signs
of Heat-Related IllnessSymptoms of heat stroke and heat exhaustion can include heavy sweating, muscle cramps, feeling weak, headache, nausea or vomiting, tiredness, or dizziness.
Stay CoolAvoid being outside in the direct heat for a long time. Try to stay in air-conditioned spaces, at home with your A/C set between 75-80 degrees, or at your local library, shopping mall, or community center. If staying home, keep blinds closed and wear loose, light-colored, lightweight clothing.
Stay HydratedSip water all day and consider supplementing with sports drinks. Avoid caffeine and alcohol.
Look After Each OtherCheck in on friends and family and have them do the same for you.
- Follow your local news to stay informed on weather forecasts, including alerts on extreme heat events, and where to access your local cooling centers.
- Check the National Weather Service HeatRiskforecast and CDC HeatRisk Dashboard
- California Hazards by County
- Learn about reducing power with Flex Alerts
- Get tips and advice from the home country on avoiding the dangers of extreme heat