Storm Center: Weather Alerts: Warnings
My Location:
San Francisco, CA
Current Time: 09:28:21 PM PDT
Other Weather Alerts
Type
Heat Warning
Special Weather Statement
Issued By
Issuing Time
Wed, 27 Aug 2025 21:00:44 PDT
Broadcast Time
Wed, 27 Aug 2025 21:00:44 PDT
Valid Until
Thu, 28 Aug 2025 13:00:44 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.
Region
Alert
Oklahoma
Tornado Warning (2)
Oklahoma
Severe Thunderstorm Warning (3)
Kansas
Flash Flood Warning
Georgia,South Carolina
Flood Warning (13)
Iowa
Flood Warning
Florida
Flood Warning (10)
Kansas
Flood Warning (23)
Oklahoma
Flood Warning (7)
Minnesota
Flood Warning (15)
South Dakota
Flood Warning (9)
Alaska
Flood Warning (4)
Alaska
Winter Weather Warning, Watch, or Advisory (11)
Lake Michigan - Michigan
Special Marine Warning
Idaho,Oregon
Flash Flood Watch (6)
Montana
Flash Flood Watch (5)
Alaska
Public Severe Weather Alert (5)
Florida
Public Severe Weather Alert
Alaska
Coastal Flood Warning, Watch, or Statement (2)
Oklahoma
Coastal Flood Warning, Watch, or Statement (6)
Idaho
Coastal Flood Warning, Watch, or Statement
Kansas
Coastal Flood Warning, Watch, or Statement
Florida
Coastal Flood Warning, Watch, or Statement
Arkansas,Oklahoma
Flood Statement (3)
Idaho
Flood Statement (4)
Montana
Flood Statement
Nevada
Flood Statement (2)
Kansas,Missouri
Flood Statement (4)
California,Nevada
Flood Statement (3)
Alaska
Flood Statement (13)
Washington
Flood Statement
Iowa
Flood Statement (7)
West Virginia
Special Weather Statement
Michigan
Special Weather Statement
Kansas
Special Weather Statement
Alaska
Special Weather Statement
Idaho
Air Stagnation Advisory (4)
Minnesota
Non Precipitation Warning, Watch, or Statement (3)
Alaska
Non Precipitation Warning, Watch, or Statement (4)
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
Washington
Red Flag Warning (2)
Lake Huron
Marine Weather Statement
Lake Erie
Marine Weather Statement
Lake Erie
Marine Weather Statement
Ohio,Pennsylvania
Marine Weather Statement (4)
Lake Michigan - Wisconsin,Lake Michigan - Illinois
Marine Weather Statement (6)
Lake Michigan - Wisconsin
Marine Weather Statement
Lake Ontario
Marine Weather Statement (4)
Lake Erie
Marine Weather Statement
Buffalo Harbor and the Upper Niagara River
Marine Weather Statement (2)
Lake Superior - Michigan
Marine Weather Statement (5)
Indiana,Michigan
Marine Weather Statement (5)
Lake Michigan - Illinois
Marine Weather Statement
Lake Michigan - Indiana
Marine Weather Statement
Lake Erie
Marine Weather Statement
Lake Erie
Marine Weather Statement
Lake Erie
Marine Weather Statement
Alaska
River Statement (3)
Kansas
River Statement (2)
Texas
River Statement
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