London, ON, Canada Storm Center: Alert Detail

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Storm Center: Weather Alerts: Warnings

My Location: London, ON, Canada

Current Time: 07:23:20 PM EDT


	Other Alerts

Weather Alert

		Other Weather Alerts
Type	Heat Warning
Issued By
Issuing Time	Mon, 14 Jul 2025 12:13:46 PDT
Broadcast Time	Mon, 14 Jul 2025 12:13:46 PDT
Valid Until	Tue, 15 Jul 2025 04:13:46 PDT
Brief Description	Heat Warning
Detailed Description	A prolonged period of extreme heat and humidity continues. What: Daytime highs of 31 to 35 degrees Celsius and a humidex of 37 to 42. Overnight lows of 19 to 23 degrees Celsius, providing little relief from the heat. When: Continuing through to Thursday night. Additional information: Southern Ontario will experience hot and humid conditions now through much of this week. A shift in the weather pattern late this week will likely end this multi-day period of heat and humidity Thursday night. ### 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 ONstorm@ec.gc.ca or post reports on X using #ONStorm.

All Alerts

Region	Alert
South Dakota	Severe Thunderstorm Warning (2)
Maryland	Severe Thunderstorm Warning
Colorado	Severe Thunderstorm Warning (2)
Pennsylvania	Flash Flood Warning (7)
New Jersey,Pennsylvania	Flash Flood Warning (16)
Ohio	Flash Flood Warning
Florida	Flash Flood Warning
Delaware	Flash Flood Warning (4)
Massachusetts	Flash Flood Warning (5)
District of Columbia,Maryland,Virginia	Flash Flood Warning (9)
North Carolina	Flash Flood Warning
South Carolina	Flash Flood Warning
Connecticut,New Jersey,New York	Flash Flood Warning (4)
Tennessee	Flash Flood Warning (2)
New Mexico	Flash Flood Warning (3)
North Carolina	Flood Warning (9)
South Carolina	Flood Warning (3)
Florida	Flood Warning
Arkansas	Flood Warning (9)
Iowa	Flood Warning (12)
Illinois,Missouri	Flood Warning (8)
Minnesota	Flood Warning (7)
Texas	Flood Warning (52)
Pennsylvania	Flood Warning (2)
West Virginia	Flood Warning
New Jersey	Flood Warning
Virginia	Flood Warning
South Dakota	Severe Local Storm Watch or Watch Cancellation (2)
Chesapeake Bay,Coastal Atlantic (south to NC)	Special Marine Warning (8)
Montana	Lakeshore Warning or Statement (2)
Oregon,Washington	Public Severe Weather Alert (21)
Florida,Georgia	Public Severe Weather Alert (5)
Idaho,Oregon	Public Severe Weather Alert (19)
Connecticut,Massachusetts,Rhode Island	Public Severe Weather Alert
Louisiana,Mississippi	Public Severe Weather Alert (4)
California	Public Severe Weather Alert (50)
New Hampshire	Public Severe Weather Alert
Nevada	Public Severe Weather Alert (12)
Minnesota	Public Severe Weather Alert
Coastal California	Public Severe Weather Alert (10)
Louisiana,Mississippi	Coastal Flood Warning, Watch, or Statement (4)
North Carolina	Coastal Flood Warning, Watch, or Statement (2)
Arkansas,Oklahoma	Coastal Flood Warning, Watch, or Statement (5)
Maine,New Hampshire	Coastal Flood Warning, Watch, or Statement (2)
Missouri	Coastal Flood Warning, Watch, or Statement (2)
New York	Coastal Flood Warning, Watch, or Statement (3)
South Carolina	Coastal Flood Warning, Watch, or Statement (2)
Texas	Coastal Flood Warning, Watch, or Statement (3)
Tennessee	Coastal Flood Warning, Watch, or Statement
Virginia	Coastal Flood Warning, Watch, or Statement (2)
Connecticut,New York	Coastal Flood Warning, Watch, or Statement
New Mexico	Coastal Flood Warning, Watch, or Statement
Florida	Flood Statement
Texas	Flood Statement (5)
Connecticut,Massachusetts	Flood Statement (9)
Arkansas,Oklahoma	Flood Statement (3)
Iowa	Flood Statement (12)
Virginia	Flood Statement (6)
Maryland,Virginia	Flood Statement (3)
Delaware,Maryland,New Jersey,Pennsylvania	Flood Statement (12)
New York	Flood Statement (4)
Arizona	Flood Statement
District of Columbia,Maryland,Virginia,West Virginia	Flood Statement (4)
New Mexico	Flood Statement (3)
South Carolina	Special Weather Statement (2)
Connecticut,New York	Special Weather Statement (2)
Florida	Special Weather Statement (2)
New Jersey,New York	Special Weather Statement
Nebraska	Special Weather Statement (2)
North Carolina	Special Weather Statement (3)
South Dakota	Special Weather Statement
Georgia	Special Weather Statement
Texas	Special Weather Statement (5)
Mississippi	Special Weather Statement (2)
Virginia	Special Weather Statement (2)
Nevada	Special Weather Statement
Idaho	Special Weather Statement (2)
Colorado	Special Weather Statement
Michigan	Air Stagnation Advisory (8)
New York	Air Stagnation Advisory (5)
Colorado	Air Stagnation Advisory (3)
Indiana	Air Stagnation Advisory (3)
Illinois	Air Stagnation Advisory
Vermont	Air Stagnation Advisory (2)
Wisconsin	Air Stagnation Advisory
Minnesota	Air Stagnation Advisory (2)
Arizona	Non Precipitation Warning, Watch, or Statement (7)
Washington	Non Precipitation Warning, Watch, or Statement (21)
Idaho	Non Precipitation Warning, Watch, or Statement (9)
California	Non Precipitation Warning, Watch, or Statement (31)
Montana	Non Precipitation Warning, Watch, or Statement (9)
Coastal Oregon-California,Coastal California-Oregon	Non Precipitation Warning, Watch, or Statement (29)
Utah	Non Precipitation Warning, Watch, or Statement (9)
Nevada	Non Precipitation Warning, Watch, or Statement (3)
Coastal Oregon-California,Coastal California-Oregon	Non Precipitation Warning, Watch, or Statement
Coastal Oregon-California,Coastal California-Oregon	Non Precipitation Warning, Watch, or Statement
Coastal Oregon-California,Coastal California-Oregon	Non Precipitation Warning, Watch, or Statement
Coastal Oregon-California,Coastal California-Oregon	Non Precipitation Warning, Watch, or Statement
Idaho	Red Flag Warning (5)
Washington	Red Flag Warning (13)
Nevada	Red Flag Warning (5)
Utah	Red Flag Warning (3)
Alaska	Marine Weather Statement (2)
Coastal Oregon	Marine Weather Statement
Coastal Oregon-California,Coastal California-Oregon	Marine Weather Statement (18)

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