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  Storm Center: Weather Alerts: Warnings


 
My Location: San Francisco, CA 
 
Current Time: 02:46:09 PM PDT

Other Alerts  
Weather Alert
    Other Weather Alerts
Type Heat Warning
Issued By
Issuing Time Wed, 13 Aug 2025 09:20:38 PDT
Broadcast Time Wed, 13 Aug 2025 09:20:38 PDT
Valid Until Wed, 13 Aug 2025 19:00:38 PDT
Brief Description Heat Warning
Detailed Description One last day of heat. Maximum temperatures near 30 degrees Celsius combined with high humidity will generate humidex values between 35 and 38 today. More seasonal daytime highs and lower humidity are expected on Thursday. ### Heat warnings are issued when very high temperature or humidity conditions are expected to pose an elevated risk of heat illnesses, such as heat stroke or heat exhaustion. For more information: https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/how-protect-yourself.html https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/who-is-at-risk.html Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to QCstorm@ec.gc.ca or post reports on X using #QCStorm.
       
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Coastal Washington,Strait of Juan de Fuca - Washington Marine Weather Statement
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Chesapeake Bay,Coastal Atlantic (south to NC) Marine Weather Statement (3)
Coastal Florida Marine Weather Statement
Alaska River Statement (2)
       
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