Thursday, December 4, 2025 — What you need to know
THUNDER BAY – WEATHER DESK – Winter is official here! We have snow, cold, a windchill this more that means cold fingers.
Remember, when it is this chilly out, your pets need special attention too. Don’t leave them outside for extended periods, unless of course your dog is a husky, in which case tell your neighbours you are not freezing your dog! They seem to love this weather!
At 6:17 a.m. EST, Geraldton Airport reports –23.1°C with a wind chill of –31 under partly cloudy skies. The wind is WNW 11 km/h, the barometric pressure is 102.2 kPa, and humidity is 69%. It’s the kind of morning where car seats feel like ice blocks and your breath looks like smoke—cover up.
Today: Bitter start, a few flurries late, then a snow-maker after dark
Skies are clear early, turning into a mix of sun and cloud with a 30% chance of flurries late this afternoon. Wind shifts around today: northwest near 20 km/h becoming light early, then southwest 20 km/h gusting to 40 by late morning. The high reaches –9°C, but it feels like –38 this morning and around –20 this afternoon. Risk of frostbite: exposed skin can freeze quickly.
Tonight: Snowy burst, then a few lingering flurries
Snow ends before morning, leaving it cloudy with a 30% chance of flurries. Local snowfall 5 to 10 cm before it tapers. Wind west 20 km/h gusting to 40, easing light before morning. Low –16°C, with wind chill near –20 this evening and –15 overnight. Expect plow ridges and slick, refreezing side streets.
Friday into the Weekend: On-and-off flakes, still cold
Friday stays cloudy with a 30% chance of flurries. Wind southwest 20 km/h gusting to 40 early afternoon, becoming light late day. High –8°C (feels –21 in the morning, –13 in the afternoon). Friday night: Flurries, low –18°C.
Saturday: A mix of sun and cloud with a 60% chance of flurries, high –14°C. Saturday night: Cloudy periods, low –24°C.
Sunday: Sunny, high –15°C. Sunday night: Clear, low –23°C.
What to wear & travel tips
Dress in layers: thermal base, warm mid-layer, and a wind-resistant winter jacket. Add a toque, insulated mitts, and a neck warmer or balaclava, plus winter boots with good tread. For travel on Highway 11 and local rural roads, plan for snow-covered lanes, drifting in open areas during gusts, and black ice tonight as temperatures drop.
Historic highs & lows (for this date)
Not available from today’s data.
Greenstone weather trivia
When winds flip to the southwest after a deep freeze, temperatures often bump up a few degrees—but that same wind can steer in fast-hitting snow bursts. Watch for that pattern tonight.
META Description (160):
Greenstone–Geraldton: Dangerous morning wind chill (−38), high −9. 5–10 cm of snow tonight, then flurries Friday. Very cold weekend with sunny breaks.
