Leeds Grenville Weather, News & Traffic
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Leeds Grenville Weather, News & Traffic
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Leeds and Grenville, Ontario weather, traffic & information updates!
Multi-day heat event beginning Saturday.
What: Daytime highs of 30 to 33 degrees celsius, with humidex values of 35 to 40. Overnight lows of 19 to 23 degrees celsius.
When: Beginning on Saturday.
#onstorm #xbrwx
August 8, 2025 at 7:31 PM
A multi-day heat event begins on Sunday.
What: Daytime high temperatures of 30 to 34 degrees celsius. Humidex values of 38 to 42. Nighttime low temperatures of 19 to 23 degrees celsius, providing little relief from the heat.
#onstorm #xbrwx
July 26, 2025 at 8:22 PM
Thunderstorms may become severe today.
Hazards: Wind gusts up to 100 km/h heavy downpours hail up to toonie size
discussion: The main threat for will be this afternoon into early this evening. A line of thunderstorms may develop and move slowly eastward. #onstorm #xbrwx
July 13, 2025 at 2:31 PM
A prolonged period of near heat warning levels begins today.
What: Daytime highs of 29 to 32 degrees celsius and a humidex of 35 to 40. Overnight lows of 19 to 23 degrees celsius, providing little relief from the heat.
When: Today, possibly to Thursday.
#onstorm #xbrweather 🥵
July 11, 2025 at 3:47 PM
July 7, 2025 at 7:23 PM
Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts and heavy rain.
What: Wind gusts near 90 km/h. Locally heavy downpour #onstorm #xbrwx
July 7, 2025 at 6:33 PM
At 2:44 P.M. Edt, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing strong wind gusts and heavy rain.
This severe thunderstorm is located near garretton, moving southeast at 50 km/h.
Hazard: 90 km/h wind gusts.
#onstorm #xbrwx
June 24, 2025 at 6:50 PM
Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts and heavy rain.
Hazards: Wind gusts up to 90 km/h. Heavy downpours.

#onstorm #xbrwx
June 24, 2025 at 6:08 PM
At 1:32 a.m. Edt, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing very strong wind gusts, up to nickel size hail and heavy rain.
This line of severe thunderstorms is located from rocksprings to Sand Lake, moving southeast at 100 km/h.
#onstorm #xbrwx
June 22, 2025 at 5:39 AM
Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts, large hail and heavy rain.

Hazards: Wind gusts up to 100 km/h. Nickel to ping pong ball size hail. Heavy rainfall. #onstorm #xbrwx
June 22, 2025 at 4:12 AM
Dangerous heat and humidity beginning Sunday afternoon.

What: Daytime highs of 31 to 36 degrees celsius. Humidex values of 40 to 45. Overnight lows of 21 to 25°C, providing little relief from the heat.

#onstorm #xbrwx #brockville #augusta #edwardsburghcardinal #prescott #elizabethtownkitley
June 21, 2025 at 1:43 PM
Smoke is causing or expected to cause poor air quality and reduced visibility.
Wildfire smoke is expected over the area tonight into Friday.

As smoke levels increase, health risks increase. Limit time outdoors. Consider reducing / rescheduling outdoor activities. #onstorm #xbrwx
June 5, 2025 at 8:35 PM
Areas of dense fog have developed and will dissipate later this morning.

Visibility may be significantly and suddenly reduced to near zero. Travel is expected to be hazardous due to reduced visibility in some locations. If travelling, be prepared for areas of near-zero visibility. #onstorm #xbrwx
May 26, 2025 at 11:43 AM
Severe thunderstorms may develop this morning or this afternoon.

Hazards: 90 km/h wind gusts 2 cm hail 25 to 50 mm rainfall in one hour

A line of thunderstorms is expected to develop later this morning and track eastward through the regions during the afternoon. #onstorm #weathersky #wxsky
May 17, 2025 at 12:41 PM
At 8:09 P.M. Edt, Environment Canada meteorologists are tracking a severe thunderstorm capable of producing very strong wind gusts and pea to dime size hail.

This line of severe thunderstorms is located from tayside to 10 kilometres SW of bath, moving East at 35 km/h.
#onstorm
April 30, 2025 at 12:12 AM
Conditions are favourable for the development of dangerous thunderstorms that may be capable of producing damaging wind gusts and large hail.

What: Damaging wind gusts to 110 km/h. Large hail up 4 cm. Risk of a tornado.

#onstorm #xbrwx
April 29, 2025 at 3:34 PM
Quite the storm front moving into #Brockville this morning! Light rain has started to fall and thunder can be heard in the distance. Great day to stay indoors! #onstorm #xbrwx
April 24, 2025 at 2:47 PM
Freezing rain expected Wednesday night into early Thursday morning.

What: Freezing rain with ice accretion of 2 to 5 mm on some surfaces.

#ONStorm #xbrwx
April 1, 2025 at 8:01 PM
Freezing rain with ice accretion of 2 to 5 mm on some surfaces. Rain, at times heavy. Total rainfall amounts of 20 to 40 mm. Locally higher amounts are possible in thunderstorms. #onstorm #xbrwx
March 31, 2025 at 8:42 PM
Freezing rain on Sunday.
What: Prolonged period of freezing rain possible. Ice accretion possibly exceeding 5 mm. Power outages. Slippery surfaces and broken tree branches from ice build-up.

#onstorm #xbrwx
March 29, 2025 at 5:57 PM
Significant snowfall tonight with freezing rain forecast Saturday night.

What: Snowfall accumulations of 10 to 15 cm. Reduced visibility at times in heavy snow.

When: Tonight into Saturday morning.

#onstorm #xbrwx
March 29, 2025 at 6:26 AM
Major ice storm this weekend.

What: Prolonged period of freezingMajor ice storm this weekend.

What: Prolonged period of freezing rain. Significant ice accretion. General ice accretion amounts of 5 to 15 mm, with amounts in excess of 15 mm possible.

#onstorm #xbrwx
March 28, 2025 at 10:00 AM
Significant ice accretion from freezing rain, with general amounts of 5 to 15 mm. Accretion amounts in excess of 20 mm are possible over some areas. Local snowfall and ice pellet accumulations of 5 to 15 cm, mainly for Central and northeastern Ontario.

#Onstorm #xbrwx
March 26, 2025 at 7:19 PM
Reposted by Leeds Grenville Weather, News & Traffic
A devastating fire destroyed a four-plex in Elgin late Sunday night, leaving five people displaced and causing $750K in damage. Fire crews from Rideau Lakes and neighbouring areas battled the blaze for hours. Learn more: www.hometownnews.ca/fire-destroy...
#ElginFire #Fire #RideauLakes
Fire destroys Elgin four-plex, displaces 5 people - Hometown News
Late-night fire destroys Elgin four-plex, displacing five people and causing $750K in damage. Rideau Lakes firefighters battled the blaze for hours.
www.hometownnews.ca
March 24, 2025 at 3:29 PM
Rain and strong winds are possible on Sunday. The frozen ground has a reduced ability to absorb this rainfall.

What: Total rainfall amounts of 15 to 25 mm. Wind gusts of 60 to 80 km/h #onstorm #xbrwx
March 14, 2025 at 9:37 PM