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  Storm Center: Weather Alerts: Warnings


 
My Location: San Francisco, CA 
 
Current Time: 04:39:27 PM PDT
Other Alerts  
Weather Alert
    Other Weather Alerts
Type Heat Warning
Issued By
Issuing Time Wed, 27 Aug 2025 03:22:06 PDT
Broadcast Time Wed, 27 Aug 2025 03:22:06 PDT
Valid Until Wed, 27 Aug 2025 19:22:06 PDT
Brief Description Heat Warning
Detailed Description A long duration heat event continues. Daytime high temperatures ranging between 29 and 33 degrees Celsius are expected this week. Overnight lows will vary greatly, ranging between 10 and 16 degrees Celsius depending on location. There is a concern that the effects of the heat could build over time. The heat will come to an end early next week. ### Heat warnings are issued when very high temperature 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 For more heat health advice, visit: https://www.albertahealthservices.ca/news/heat.aspx. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ABstorm@ec.gc.ca, call 1-800-239-0484 or post reports on X using #ABStorm.
       
All Alerts
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California Severe Thunderstorm Warning
Nevada Flash Flood Warning
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Colorado Coastal Flood Warning, Watch, or Statement (4)
Nevada Coastal Flood Warning, Watch, or Statement
Alaska Coastal Flood Warning, Watch, or Statement (2)
Idaho Flood Statement (4)
Montana Flood Statement
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Coastal Washington Non Precipitation Warning, Watch, or Statement
Coastal Washington Non Precipitation Warning, Watch, or Statement
Coastal Washington Non Precipitation Warning, Watch, or Statement
Coastal Washington Non Precipitation Warning, Watch, or Statement
Idaho,Washington Non Precipitation Warning, Watch, or Statement (2)
Oregon,Washington Non Precipitation Warning, Watch, or Statement (3)
California,Oregon Red Flag Warning (9)
Washington Red Flag Warning (3)
Lake Michigan - Michigan,Lake Michigan - Michigan Marine Weather Statement (2)
Wisconsin Marine Weather Statement
Lake Michigan - Wisconsin,Lake Michigan - Illinois Marine Weather Statement (2)
Indiana Marine Weather Statement (3)
Ohio Marine Weather Statement (2)
Lake Erie Marine Weather Statement
Lake Erie Marine Weather Statement
Lake Ontario Marine Weather Statement (2)
Buffalo Harbor and the Upper Niagara River Marine Weather Statement
Lake Erie Marine Weather Statement
Alaska River Statement (4)
Kansas River Statement (2)
New Mexico River Statement (2)
Texas River Statement
       
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