Smoke plumes from forest fires in northwestern Ontario and Quebec have resulted in deteriorated air quality. For more details, consult
Wildfire smoke can be harmful to everyone’s health even at low concentrations.
Smoke plumes from local forest fires will continue to affect the area, resulting in deteriorated air quality. Air quality and visibility due to wildfire smoke can fluctuate over short distances and can vary considerably from hour to hour. Please consult
Weather alert Ontario North - Special weather statement and snowfall warning for northern Ontario with accumulations of up to 10-20 cm expected. Visit for more information on your specific region.
High levels of air pollution due to smoke from forest fires return today, tonight from forest fires in northeastern Ontario and Quebec area. As a result, the air quality is expected deteriorate once again. The poor air quality will likely last into Friday.
Special Weather Statement for Ontario North East - Strong winds out of the southwest will bring gusts near 80 km/h to areas north and east of Lake Superior. Winds will ease slightly later in the evening as they shift from the northwest.
Weather Alerts for Ontario - Multi-day heat event will continue through the week. High levels of air pollution are expected due to smoke from forest fires. For more information, visit:
Special weather alert for Ontario North - Heavy snowfall to develop early Monday morning continuing into Monday afternoon with accumulations of 10-15 cm. Ice pellets or freezing rain late Monday morning through Monday afternoon for areas near Highway 11.
Weather Alerts for Ontario: A warm and humid air mass is currently affecting much of the province. High levels of air pollution due to smoke from forest fires will continue to affect some area with poor air quality and reduced visibility.
#ONStorm
Smoke plumes from local forest fires continues to affect the area tonight, and may persist into the weekend for some areas, resulting in deteriorated air quality. Special weather advisories and rainfall in certain regions.
Updated: Weather conditions on
#HWY64
Both Directions between Hwy 11, Marten River, MARTEN RIVER and SEC HWY 539-FIELD, FIELD. All lanes closed.
#Closure
#ONHwys
WINTER STORM WATCH Impactful winter storm. Heavy snowfall and blowing snow associated with a major winter storm are expected to begin affecting northeastern Ontario Tuesday, with the worst conditions most likely Tuesday night into Wednesday morning.
Winter weather travel advisory in effect for NorthEast region. Snow will move through the area starting tonight, which may result in hazardous travel conditions. Snow will ease to flurries by late Tuesday afternoon. Follow for further info.
The
@OntNorthland
test train has officially departed North Bay for Toronto! 🚆
We’re gathering data to develop our plan to bring passenger rail to Northeastern Ontario.
Follow along with us today for updates.
Public Weather Alerts Ontario - north: weather advisory in effect - lake effect snow is expected to develop off of Lake Superior later this evening & continue into Monday morning. Extreme cold conditions possibly continuing tonight.
#ONStorm
#SeeSnowGoSlow
Weather Alerts for Ontario - A period of very cold wind chills is expected.- Lake effect snow squalls possible beginning this evening for South West region. -Winter weather travel advisory in effect for today.
Winter storm will continue to move through northeastern Ontario today. Heavy and blowing snow are significantly reducing visibility, creating dangerous travel conditions. Snow may mix with ice pellets or freezing rain at times.
Please note there will be a travelling convoy expected to travel through Northwestern Ontario on February 16, and in Northeastern Ontario on February 17. Convoy is expected to arrive in Ottawa on February 18. Expect significant delays.
Weather Alerts for Ontario - Conditions are favourable for the development of severe thunderstorms that may be capable of producing large hail and heavy rain.
Weather Alerts for Ontario: Winter Storm and Rainfall Warnings - The snow may be mixed with ice pellets at times tonight, with a complete changeover to rain-
Weather alerts for Ontario North - Heavy snowfall with 15 cm of snow expected tonight into Monday. By early Monday morning, the wintry precipitation may transition to rain south of Hwy 17. Freezing rain expected this evening in parts of NorthWest region.
Updated: Weather conditions on
#HWY64
Both Directions between SEC HWY 539-FIELD, FIELD and Hwy 11, Marten River, MARTEN RIVER. All lanes closed.
#Closure
#ONHwys
Effective immediately, due to changes on Twitter, Tweets may be affected. MTO continues to provide traveller information through the Ontario511 website and free mobile app. Create a MY511 account to receive traffic alerts for your favourite routes directly to your phone or email.
Please note there will be a travelling convoy expected to travel through Northwestern Ontario on February 16, and in Northeastern to Eastern Ontario on February 17th. Expect significant delays .
Snow squalls continue with 20-50 cm accumulations by early Tuesday with reduced visibility due to blowing snow. Extreme cold with windchill values near minus 40 in some areas. Monitor alerts and forecasts by visiting Environment Canada at
#ONStorm
Winter is here and we’re clearing snow faster in the North!
Ontario’s new “ON-Trans Canada” standard requires Highways 11 and17 to be cleared within 12 hours after a winter storm, 4 hours faster than before.
Learn more:
Cleared: Collision on
#HWY69
Southbound at Blue Heron Trail(W)Flicker Trail, Pointe au Baril, POINTE AU BARIL. Lane and SOUTH shoulder closed.
#Incident
#ONHwys
Snow to continue tonight in the North-East near Sault-Ste-Marie. First significant snow squalls of the season expected Monday evening through Tuesday with total accumulations of 20-35 cm in areas of the N-E and N-W regions.
Collision on
#HWY17
Both Directions between Old Nairn Rd, Nairn Centre, NAIRN CENTRE and MCDONALD ST(N)NAIRN TWP, NAIRN. All lanes closed.
#Closure
#ONHwys
Updated: Weather conditions on
#HWY101
Both Directions between HWY 144(S) TIMMINS, TIMMINS and HWY 17 / 101 - Wawa, WAWA. All lanes closed.
#Closure
#ONHwys