A low pressure system moving out of South Dakota is set to once again bring active weather to northwestern Ontario late Friday and into Saturday. #ONstorm #ONwx

https://ow.ly/ESTO50ZMxFq

Active weather is set to move across the international border, bringing the risk of severe storms to parts of northwestern Ontario before the weekend. #ONstorm #ONwx

https://ow.ly/PP1V50ZLUGN

An upper trough will move across the Great Lakes throughout the day on Wednesday, elevating the risk of thunderstorms in southern Ontario. Some of them could turn severe, with heavy rain, gusty winds and localized flooding as main threats. #ONstorm #ONwx www.theweathernetwork.com/en/news/weat...

Another potentially stormy Wednesday looms for southern Ontario. Heat, humidity and a frontal system will create the threat of severe storms, which may bring heavy rain, localized flooding, and wind gusts reaching up to 80 km/h. #ONstorm #ONwx www.theweathernetwork.com/en/news/weat...

YELLOW ADVISORY - FOG ENDED, Peterborough

Persons in or near this area should be on the lookout for adverse weather conditions and take necessary safety precautions. Issued: 8:18 AM EDT Monday 7 Sept...

https://pointforecaster.com/msc-weather-alerts/?city=Peterborough

#Fog #ONwx #CdnWeather #wx

YELLOW ADVISORY - FOG, Peterborough

Persons in or near this area should be on the lookout for adverse weather conditions and take necessary safety precautions. Issued: 6:23 AM EDT Monday 7 September...

https://pointforecaster.com/msc-weather-alerts/?city=Peterborough

#Fog #ONwx #CdnWeather #wx

Sky north of Kenora, ON at 5pm. Currently under a severe t-storm watch. Watching the radar as this system rolls east toward us. #onwx #onstorm #mbstorm

YELLOW ADVISORY - FOG ENDED, Galt

Persons in or near this area should be on the lookout for adverse weather conditions and take necessary safety precautions. Issued: 9:50 AM EDT Thursday 3 September 202...

https://pointforecaster.com/msc-weather-alerts/?city=Cambridge

#Fog #ONwx #CdnWeather #wx

YELLOW ADVISORY - FOG ENDED, Guelph

Persons in or near this area should be on the lookout for adverse weather conditions and take necessary safety precautions. Issued: 9:50 AM EDT Thursday 3 September 2026...

https://pointforecaster.com/msc-weather-alerts/?city=Guelph

#Fog #ONwx #CdnWeather #wx

YELLOW ADVISORY - FOG ENDED, Kitchener (Waterloo)

Persons in or near this area should be on the lookout for adverse weather conditions and take necessary safety precautions. Issued: 9:50 AM EDT Thursday...

https://pointforecaster.com/msc-weather-alerts/?city=Kitchener

#Fog #ONwx #CdnWeather #wx

YELLOW ADVISORY - FOG ENDED, London

Persons in or near this area should be on the lookout for adverse weather conditions and take necessary safety precautions. Issued: 9:50 AM EDT Thursday 3 September 2026...

https://pointforecaster.com/msc-weather-alerts/?city=London

#Fog #ONwx #CdnWeather #wx

YELLOW ADVISORY - FOG, Galt

Persons in or near this area should be on the lookout for adverse weather conditions and take necessary safety precautions. Issued: 9:05 AM EDT Thursday 3 September 2026...

https://pointforecaster.com/msc-weather-alerts/?city=Cambridge

#Fog #ONwx #CdnWeather #wx

YELLOW ADVISORY - FOG, Guelph

Persons in or near this area should be on the lookout for adverse weather conditions and take necessary safety precautions. Issued: 9:05 AM EDT Thursday 3 September 2026...

https://pointforecaster.com/msc-weather-alerts/?city=Guelph

#Fog #ONwx #CdnWeather #wx

YELLOW ADVISORY - FOG, Kitchener (Waterloo)

Persons in or near this area should be on the lookout for adverse weather conditions and take necessary safety precautions. Issued: 9:05 AM EDT Thursday 3 Sep...

https://pointforecaster.com/msc-weather-alerts/?city=Kitchener

#Fog #ONwx #CdnWeather #wx

YELLOW ADVISORY - FOG, London

Persons in or near this area should be on the lookout for adverse weather conditions and take necessary safety precautions. Issued: 9:05 AM EDT Thursday 3 September 2026...

https://pointforecaster.com/msc-weather-alerts/?city=London

#Fog #ONwx #CdnWeather #wx

Latest hourly run of the HRRR-Radar 4cast- keeps the heat, humidity & unsettled weather in lower 3rd of SWONT. Stalled front + CAPE + upper level impulse moving thru -will kick off showers/storms this aft. (some maybe heavy) They will enter via SE MI & move ESE. #onwx #onstorm

8AM EDT (12Z) Synoptic “Snapshot” summary of
current atmospheric conditions in S. Ontario
Such as-pressure/temp.-fields/frontal locations. A
total precipitation outlook for day till Midnight & any active ECCC Alerts at post:
shorturl.at/cESn1
#onwx #onstorm

8AM EDT (12Z) Synoptic “Snapshot” summary of
current atmospheric conditions in N. Ontario
Such as-pressure/temp.-fields/frontal locations. A
total precipitation outlook for day till Midnight & any active ECCC Alerts at post:None
#onwx #onstorm

YELLOW WARNING - HEAT, Sarnia

Persons in or near this area should be on the lookout for adverse weather conditions and take necessary safety precautions. Issued: 8:10 AM EDT Thursday 3 September 2026...

https://pointforecaster.com/msc-weather-alerts/?city=Sarnia

#Heat #ONwx #CdnWeather #wx

YELLOW ADVISORY - FOG, Galt

Persons in or near this area should be on the lookout for adverse weather conditions and take necessary safety precautions. Issued: 8:24 AM EDT Thursday 3 September 2026...

https://pointforecaster.com/msc-weather-alerts/?city=Cambridge

#Fog #ONwx #CdnWeather #wx