THUNDER BAY – WEATHER Desk – A pattern of cooler, unsettled fall weather continues across Ontario’s Far North as October winds down and November begins. A series of weak disturbances tracking across Hudson Bay and northern Manitoba will bring a mix of cloudy skies, scattered light snow or rain showers, and blustery winds at times.
Communities including Marten Falls (Ogoki Post), Wasaho Cree Nation (Fort Severn), Sandy Lake, Bearskin Lake, Attawapiskat, and Big Trout Lake (Kitchenuhmaykoosib Inninuwug) can expect typical late-October variability — chilly mornings, occasional flurries or drizzle, and afternoon highs hovering just above freezing in the west and closer to +5°C along the coast.
Wednesday, October 29
A cloudy and unsettled midweek day is on tap for most of the Far North.
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Marten Falls and Sandy Lake: Mostly cloudy with light showers changing to flurries by evening. Winds west 20 to 30 km/h. Highs near +4°C, lows around -1°C overnight.
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Bearskin Lake and Big Trout Lake: Overcast with scattered flurries developing through the afternoon. Temperatures steady near +1°C, with northwest winds gusting up to 40 km/h.
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Wasaho Cree Nation (Fort Severn): Cloudy with snow showers moving in from Hudson Bay by midday. Winds north 30 gusting 50 km/h. High 0°C, falling to -3°C overnight.
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Attawapiskat: Cloudy skies and a few light showers along the James Bay coast. High near +3°C, with light northeast winds.
Thursday, October 30
The region remains under the influence of a weak low over Hudson Bay.
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Expect cloudy skies and scattered light snow or flurries through the morning, becoming mixed with sun later in the day for inland communities.
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Winds remain brisk from the northwest at 20–40 km/h, keeping daytime highs between 0°C and +2°C.
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Overnight, skies clear in the west, and temperatures fall sharply — -4°C to -8°C in Sandy Lake and Bearskin Lake, closer to -2°C along the James Bay coast.
Friday, October 31 – Halloween Forecast
A colder, clearer air mass settles in behind the departing low, bringing dry and bright weather for most communities.
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Marten Falls, Sandy Lake, and Big Trout Lake: Mainly sunny with light winds and afternoon highs around +2°C to +4°C. Evening temperatures will fall quickly to -5°C, so bundle up for any Halloween events.
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Bearskin Lake and Wasaho Cree Nation: A mix of sun and cloud, cool and breezy with highs near 0°C.
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Attawapiskat: Cloudy with a few flurries possible late in the day. High +3°C, low -2°C.
Saturday, November 1
The first day of November will bring tranquil but chilly weather for much of the Far North.
High pressure over western Ontario will dominate, bringing mainly clear skies and light northwest winds.
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Morning lows between -6°C and -10°C, with afternoon highs around +3°C to +5°C in the west and near +2°C along Hudson and James Bay.
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Wasaho Cree Nation and Attawapiskat may see increasing cloud and scattered snow flurries late in the day as another weak system drifts in from the northwest.
Summary
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Temperature Trend: Seasonal to slightly below normal, with daytime highs near +3°C and chilly nights down to -8°C inland.
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Precipitation: Occasional light flurries or showers Wednesday and Thursday; mostly dry Friday and Saturday.
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Winds: Moderate northwest winds midweek, easing toward the weekend.
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Visibility: Good overall, with brief reductions in light snow or fog patches overnight.
Far North Takeaway
As October closes, the Far North transitions firmly into its early winter pattern — cooler air, spotty snow, and frost-filled mornings. The end of the week looks calmer, offering a brief window of clearer skies and light winds before the next system approaches in early November.
