Manitoba · Multi-model forecast · 2026–27 season

Snow Day Predictor ManitobaWill school be cancelled tomorrow in Manitoba?

Live overnight forecast for every Manitoba postal code — from the six Winnipeg divisions through Brandon, Steinbach, Dauphin, Thompson, The Pas, and Churchill. The predictor tunes to Manitoba’s wind-chill-first closure thresholds and accounts for blowing-snow whiteouts on exposed prairie bus routes.

Quick check:

Multi-model forecast, five-factor closure engine, province-aware results. No sign-up, no tracking of your queries.

Cities covered

School board groups

Closure factors

Forecast models

What makes Manitoba unique

Manitoba’s winters are decided by wind chill, not snowfall. Winnipeg is the coldest major city in Canada by annual mean temperature, and the six Winnipeg divisions plus every rural board use wind-chill thresholds — not centimetres on the ground — as the primary trigger for cancelled buses, cancelled outdoor recess, and full school closures. Add the flat prairie geography, where 20 km/h winds turn 5 cm of snow into a whiteout across rural bus routes, and Manitoba ends up cancelling outdoor activities long before classes are called off.

Province overview

Manitoba snow day forecast — what makes the province different

Manitoba sits in the coldest populated belt in southern Canada. Winnipeg’s annual mean temperature is the lowest of any major Canadian city, and the province’s school divisions have built their closure procedures around that reality. The trigger for cancelling buses, outdoor recess, or full school days in Manitoba is overwhelmingly wind chill — not snow accumulation. A 10 cm snowfall rarely closes a Winnipeg school on its own; a forecast of −45 °C wind chill at the morning bus stop almost always does. Our forecast applies a Manitoba-specific profile that weights wind chill, sustained wind speed, and blowing-snow visibility ahead of raw snowfall totals.

The second factor that drives Manitoba closures is geography. The province is overwhelmingly flat, and the open prairie offers no shelter from sustained northwesterly winds. Even a modest 5–10 cm overnight snowfall can produce zero-visibility blowing-snow whiteouts on rural roads, which is why divisions like Hanover, Sunrise, Red River Valley, and Border Land routinely cancel buses on days when Winnipeg city schools open normally. Rural bus routes in Manitoba can run 60–90 minutes one way, and divisions will not put a bus on a section road if the RCMP or Manitoba Transportation has issued a travel-not-recommended advisory.

Manitoba does not operate multi-division transportation consortia the way Ontario and parts of British Columbia do. Each of the 37 school divisions runs its own transportation department or contracts directly with private operators, and each makes its own call. That decentralisation is why a Winnipeg School Division school can be open while a Pembina Trails school five kilometres away has cancelled buses — and why outdoor activities, including recess and lunch outside, are almost always cancelled across all six Winnipeg divisions hours before any building closure is announced. Manitoba’s outdoor-activity threshold sits at roughly −28 °C wind chill; the full-closure threshold sits closer to −45 °C wind chill or a blizzard warning from Environment and Climate Change Canada.

3 cities covered

Snow day predictor by Manitoba city

Every Manitoba city below has its own dedicated forecast page that runs the predictor automatically for that location.

Winnipeg

Capital Region

Winnipeg SD · Pembina Trails · Louis Riel · River East Transcona · St. James-Assiniboia · Seven Oaks

Six divisions cover the city; outdoor recess cancellations are common, full closures rare and almost always wind-chill driven.

Brandon

Westman

Brandon SD

Trans-Canada Highway blizzards are the dominant closure trigger; Brandon SD calls buses independently of Winnipeg.

Steinbach

Eastman

Hanover SD

Hanover SD covers Steinbach and surrounding southeast Manitoba; long rural bus routes drive frequent bus cancellations.

School boards

Manitoba school boards and their closure patterns

A snapshot of the boards we model when generating Manitoba forecasts, grouped by region.

Greater Winnipeg

Winnipeg School Division
Central Winnipeg and the largest division in Manitoba. Outdoor activity cancellations are routine; full closures track wind chill and blizzard warnings.
Pembina Trails School Division
Southwest Winnipeg including Charleswood and Linden Woods. Closure calls usually align with Winnipeg SD on wind-chill days.
Louis Riel School Division
Southeast Winnipeg covering St. Vital and St. Boniface. Independent transportation decisions; alignment with other Winnipeg divisions is common but not guaranteed.
River East Transcona School Division
Northeast Winnipeg. Long northern bus routes; sensitive to blowing-snow advisories on Highway 59.
St. James-Assiniboia School Division
West Winnipeg adjacent to the Perimeter Highway. Closure decisions often follow Pembina Trails.
Seven Oaks School Division
North Winnipeg. Closes more readily than central Winnipeg divisions in blowing-snow events because of exposed northern bus corridors.

Greater Winnipeg surrounding

Lord Selkirk School Division
North of Winnipeg toward Selkirk and the Red River. Highway 9 exposure to north winds drives bus cancellations.
Sunrise School Division
East of Winnipeg toward Beausejour and the Lake of the Woods corridor. Lake-effect bands occasionally reach this division.
Hanover School Division
Steinbach and the southeast. Long rural routes through Mennonite communities; cancels buses for blowing-snow days more often than Winnipeg.
Red River Valley School Division
Morris, Altona, and the southern Red River valley. Highway 75 wind exposure is the primary driver.

Rural Manitoba

Brandon School Division
City of Brandon. Trans-Canada Highway blizzards close buses across the division regularly.
Western School Division
Morden and Winkler in south-central Manitoba. Borders Red River Valley SD and shares similar bus-cancellation patterns.
Mountain View School Division
Dauphin and the Parkland region. Modest elevation around Riding Mountain creates localised heavier snowfall events.
Park West School Division
Birtle, Russell, and western Manitoba toward the Saskatchewan border. Highway 16 (Yellowhead) blizzard exposure.
Border Land School Division
Altona and Emerson along the U.S. border. South-wind events and Red River valley fog drive closure days.

Northern Manitoba

Frontier School Division
Northern remote communities including The Pas, Thompson, and Churchill. Cold-driven closures past −45 °C wind chill are routine; geographic reach is the largest in the province.
Flin Flon School Division
Flin Flon on the Saskatchewan border. Boreal climate; cold and blowing snow drive most closure decisions.

French-language

Division scolaire franco-manitobaine (DSFM)
French-language schools across Manitoba. Each DSFM school typically follows the closure decision of the surrounding English-language division, though DSFM publishes its own bulletins.

Bus cancellations

How Manitoba student transportation cancels buses

In Canada, bus cancellations are a separate decision from full school closures — and most regions coordinate this through a student transportation consortium rather than each individual board.

Per-divisionDivision-operated transportation
Manitoba does not operate multi-division transportation consortia. Each of the 37 school divisions runs its own transportation department or contracts directly with private bus operators, and each division publishes its own bus-cancellation decision. That is why Winnipeg School Division, Pembina Trails, Louis Riel, River East Transcona, St. James-Assiniboia, and Seven Oaks each post separate notices on weather days, even when the underlying call is the same.

Regional weather patterns

Manitoba snow zones and storm patterns

The signature weather phenomena our forecast accounts for across Manitoba.

Winnipeg & Red River Valley
Flat, exposed plains where sustained northwesterly winds produce blowing-snow whiteouts even from modest snowfall. Winnipeg is the coldest major city in Canada by annual mean temperature, and the Red River valley funnels arctic outflow south to the U.S. border.
Brandon & Western Manitoba
Continental prairie. Major blizzards along the Trans-Canada Highway corridor are the dominant closure driver; the open landscape between Brandon and the Saskatchewan border offers no shelter from west winds.
Eastman Region (Steinbach, Beausejour)
Proximity to Lake of the Woods occasionally produces true lake-effect snow bands across Hanover and Sunrise divisions when north winds cross open water in early winter.
Northern Boreal (Thompson, The Pas)
Extreme cold dominates. Wind-chill values past −45 °C are routine through January and February; snowfall accumulation is comparatively low because the air is too cold to hold much moisture.
Hudson Bay Coast (Churchill)
Polar conditions. Ice fog, blowing snow off the bay, and routine −50 °C wind chill in midwinter. Frontier School Division’s Churchill schools operate to a different threshold than southern Manitoba.
Riding Mountain / Parkland
Modest elevation around Riding Mountain National Park creates localised heavier snowfall events for Mountain View SD around Dauphin, with totals occasionally double those recorded in Winnipeg from the same system.

History

Notable Manitoba snow days in recent winters

Recent storms and cold events that shaped how Manitoba school boards make the morning call.

Polar vortex closures
January 2018
Wind chill dropped below −50 °C across Winnipeg and rural Manitoba for several consecutive mornings. Winnipeg School Division, Pembina Trails, Louis Riel, and the rural divisions south of the city all closed schools outright for outdoor safety, with the City of Winnipeg also activating warming-bus emergency operations.
Extended polar vortex across the prairies
February 2019
A multi-week polar vortex affected Manitoba and Saskatchewan together. Winnipeg-area divisions called multiple closure days on wind chill alone, and Frontier School Division communities in the north operated under continuous extreme-cold warnings.
Saskatchewan–Manitoba blizzard
March 4, 1966
The benchmark prairie blizzard. Sustained 100 km/h winds, visibility zero, and accumulation drifting to roof height across southern Manitoba. Still cited by Environment Canada as the standard against which subsequent prairie blizzards are measured.
Prairie blizzard and Highway 1 closure
December 2022
Sustained 80 km/h winds and heavy snow shut Highway 1 between Winnipeg and Brandon for multiple days. Brandon School Division and rural divisions across Westman and Eastman cancelled buses for a full week of operations while plow crews cleared section roads.
Extreme cold across Winnipeg
January 2024
Wind chill near −45 °C across the capital for nearly a week. All six Winnipeg divisions — Winnipeg SD, Pembina Trails, Louis Riel, River East Transcona, St. James-Assiniboia, and Seven Oaks — cancelled outdoor activities for multiple consecutive days, with full closures called when the wind chill held below −47 °C.
Early-season Winnipeg blizzard
October 1997
A late-October storm dropped over 30 cm of heavy wet snow on Winnipeg before the city’s snow-removal fleet had been switched over from summer operations. The event is still referenced as the modern example of how rapidly Manitoba winter weather can begin.

FAQ

Manitoba snow day frequently asked questions

The 9 questions Manitoba parents and teachers ask us most often.

Will Winnipeg School Division close tomorrow?

Enter your Winnipeg postal code or "Winnipeg, Manitoba" into the predictor at the top of this page to see tomorrow’s probability for Winnipeg School Division. Full WSD building closures are rare and almost always wind-chill driven; outdoor-activity cancellations are far more common and trigger separately at around −28 °C wind chill.

What wind chill closes Manitoba schools?

Manitoba divisions generally cancel outdoor recess and outdoor physical education at around −28 °C wind chill, with full school-day closures triggered closer to −45 °C wind chill or when Environment and Climate Change Canada has issued a blizzard warning. The exact threshold varies by division — Frontier School Division operates schools on days that would close every Winnipeg division — but wind chill, not snowfall, is the primary metric.

Why are outdoor activities cancelled before classes in Winnipeg?

Manitoba divisions use a tiered cold-weather policy. The first tier cancels outdoor recess, lunch outside, and outdoor PE at roughly −28 °C wind chill so children are not exposed to frostbite-risk conditions while still attending class indoors. The second tier — full school closure — requires conditions severe enough that getting to and from school is unsafe, typically wind chill below −45 °C or an active blizzard warning. The two thresholds are deliberately separated so that classes can continue safely on most cold days.

Does the predictor work for Brandon and rural Manitoba?

Yes. Brandon, Steinbach, Morden, Winkler, Dauphin, Portage la Prairie, Selkirk, and every rural Manitoba town are supported. Rural divisions use lower closure thresholds than Winnipeg because their bus routes are longer and more exposed — a Hanover SD bus may run 75 minutes through open prairie before reaching a school, and that route closes for blowing snow that would not affect Winnipeg city schools.

How does Hudson Bay weather affect Churchill schools?

Churchill schools fall under Frontier School Division and operate to polar thresholds. Ice fog off Hudson Bay, blowing snow, and routine −50 °C wind chill in January and February mean that Churchill closures happen under conditions that would be unprecedented further south. Our forecast applies an arctic profile to Churchill that differs from the southern Manitoba profile.

What is Manitoba’s snowfall warning threshold from Environment Canada?

Environment and Climate Change Canada issues a Snowfall Warning for Manitoba when 10 cm or more of snow is expected within 12 hours, or 15 cm within 24 hours. The province more commonly receives Blizzard Warnings (sustained winds 40+ km/h with visibility 400 m or less for at least four hours) and Extreme Cold Warnings (wind chill −40 °C or colder). Blizzard and Extreme Cold warnings carry far more weight in our Manitoba forecast than Snowfall warnings do.

Will buses be cancelled in Winnipeg tomorrow?

Each of the six Winnipeg divisions makes its own bus-cancellation call. Winnipeg School Division, Pembina Trails, Louis Riel, River East Transcona, St. James-Assiniboia, and Seven Oaks each publish independent notices, usually between 6:00 and 6:30 am the day of. Our predictor returns an advance probability the night before based on the overnight wind chill and blowing-snow forecast, separated from the full-closure probability.

Why is Winnipeg so much colder than Toronto?

Winnipeg sits in the middle of the North American continent with no large body of water nearby to moderate its temperature. Toronto is buffered by Lake Ontario and the rest of the Great Lakes, which release heat through early winter and keep overnight lows higher. Winnipeg’s January mean temperature is roughly 10 °C colder than Toronto’s, and wind chill across the open prairie makes the felt temperature colder still. That climate gap is the single biggest reason Manitoba closure thresholds are wind-chill driven while Ontario thresholds are snowfall driven.

Does the predictor cover Manitoba’s French DSFM schools?

Yes. Division scolaire franco-manitobaine schools are supported province-wide. DSFM schools typically follow the closure decision of the surrounding English-language division — a DSFM school in Winnipeg usually mirrors the Winnipeg SD or Louis Riel call, and a DSFM school in Ste. Anne usually mirrors Hanover SD — but DSFM also publishes its own bulletins, which our forecast surfaces alongside the local division’s notice.

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