A Little of Everything for Sioux Lookout’s Long Weekend Forecast: Rain, Ice Pellets, Flurries and a Sunny Finish
SIOUX LOOKOUT – WEATHER REPORT – Sioux Lookout’s Victoria Day long weekend forecast is a perfect showcase of Northern Ontario’s “four seasons in a weekend” reputation. Starting with damp skies and a risk of ice pellets (yes, you read that right), the weather will finally settle into a sunny pattern just in time for holiday Monday.
At 4:00 AM CDT, Sioux Lookout Airport is reporting light rain, a chilly 11.2°C, and 100% humidity, with visibility reduced to 5 km thanks to steady showers. Winds are coming from the east at 9 km/h, while the pressure sits at a falling 99.2 kPa—clearly signalling that more weather drama is on the way.
Long Weekend Forecast: A Juggling Act of Rain, Ice Pellets, Flurries, and Finally, Spring Sunshine
Today, Friday, will continue with showers tapering off by noon, but not completely gone. The afternoon remains mostly cloudy with a 60 percent chance of additional showers. Winds will pick up from the southeast at 20 km/h, gusting to 40 km/h. Highs will only reach a cool 17°C, and the UV index will be a moderate 4.
Tonight will be downright wild for mid-May. Expect periods of rain turning to periods of ice pellets or rain before morning as colder air floods in from the north. Winds will shift dramatically, becoming north 30 km/h gusting to 50 near midnight. Temperatures will plummet to zero overnight—talk about a temperature swing!
Saturday will stay cloudy with a 40 percent chance of rain showers or—you guessed it—flurries. The mercury will struggle to climb to just 4°C. The night will stay cloudy with a low dipping below freezing to -1°C.
Sunday brings the turnaround we’ve been waiting for, with clearing skies and a return to more seasonable weather, reaching a high of 11°C. The night will stay clear and chilly, falling again to -1°C.
Victoria Day Monday will finally feel like spring should, with sunny skies and a high of 15°C—ideal for all your outdoor plans, be it fishing, backyard grilling, or just soaking up some rare May sunshine. The night will stay clear and seasonally mild at 3°C.
Weather Wisdom: Pack for Three Seasons, Maybe Four
Travellers and locals alike will need the full wardrobe this weekend—rain gear, a toque, and your favorite pair of sunglasses will all get their moment. Those planning camping trips or cottage getaways should be prepared for sudden shifts, especially Saturday night when frost or even some flurries might surprise you.
Sioux Lookout Weather Trivia
Did you know? Sioux Lookout once saw a May long weekend high of 33°C in 1992, only to dip back to freezing days later. This year’s dramatic swings might not set records, but they sure make for some classic Northern Ontario weather storytelling.
