Slippery Mornings and Rainy Afternoons for Sudbury
Greater Sudbury wakes up to a mix of light freezing drizzle and below-zero temperatures at -2°C this morning. The wind chill of -8 makes it feel even chillier, while near-total humidity at 99% sets the stage for foggy, damp conditions. Visibility is severely limited to 0.4 km, so whether you’re driving or walking, caution is key.
Today’s Forecast: A Drizzly Day Ahead
Cloudy skies will dominate, with a 60% chance of light snow or freezing drizzle persisting through the early morning. Temperatures will gradually climb to a high of 3°C, transitioning any freezing precipitation into rain or drizzle by mid-morning. Fog patches, already thick this morning, are expected to dissipate as south winds at 20 km/h move in, giving the air a bit of a nudge.
Tonight: Rain Turns to Snow
As evening falls, periods of rain or drizzle will transition into light snow overnight as temperatures dip to -1°C. Gusty southwest winds at 20 km/h, reaching up to 40 km/h, will make it feel colder. Once again, fog patches may linger early on but should clear later at night.
The Week Ahead: A Cloudy and Frosty Pattern
- Tuesday, December 17: Mostly cloudy with a 40% chance of rain showers or flurries, holding steady at a high near 0°C.
- Tuesday Night: A continued 40% chance of flurries as clouds stay thick. Temperatures will sink to -5°C.
- Wednesday, December 18: The snow threat increases with a 60% chance of flurries, and the high will struggle to reach -1°C.
- Wednesday Night: Clearer skies but frigid, as temperatures plummet to a bone-chilling -17°C.
- Thursday, December 19: A mix of sun and cloud offers a brief reprieve, with a daytime high of -12°C, before clouds return at night, bringing a 60% chance of flurries and a low of -12°C.
Historic Weather Note
Sudbury has had some memorable swings on December 16. The warmest recorded high was a comfortable 6.8°C, while the record low plunged to a frosty -31.7°C.
Wardrobe Advice
Today is a layered outfit kind of day. Wear a waterproof coat to handle the drizzle, and if you’re heading out early, add gloves and insulated boots to counteract the freezing wind chill. Keep an umbrella on hand, but don’t count on it to save you from icy roads—tread carefully!
Weather Trivia
Did you know freezing drizzle forms when supercooled water droplets come into contact with a cold surface? It’s the sneaky culprit behind Sudbury’s treacherous roads this morning!
