A Bright Start with a Breezy Twist
This morning in Sioux Lookout kicks off with glorious sunshine, the kind that tricks you into thinking spring is here to stay. But don’t be fooled—this northern Ontario town has a few surprises packed into its weather script. Skies will transition to a mix of sun and cloud later this morning, with a 30 percent chance of showers cropping up by the afternoon. The high temperature is expected to hit a lovely 16°C, though you’ll want to hold on to your hat as north winds ramp up to 30 km/h, gusting as high as 50. And with a UV index of 6—rated “high”—sun protection is essential if you’re planning time outdoors.
From Rain to Flurries—Because, Why Not?
Tonight, Sioux Lookout gets a little dramatic. Cloud cover builds in, and those rain showers? They’re poised to transform into flurries as temperatures dip to zero. That’s right—after a day that started out nearly beachy, we’re talking possible snowflakes overnight. Winds shift to the northeast at 20 km/h, gusting up to 40, giving the evening a definite chill. It’s a night to tuck in with a warm blanket—and maybe dig out the scraper for the windshield, just in case.
Midweek Sunshine with a Frosty Start
Wednesday, May 7, delivers a sharp contrast: sunny skies return, and the high will climb back to 14°C under dry conditions. The UV index rises to 7, so sunglasses and sunscreen should stay in your rotation, despite the cool start. Winds stay relatively light from the north, making for a crisp but pleasant day overall.
The real cold bite comes Wednesday night, with clear skies allowing temperatures to drop to a frosty low of 1°C. Not quite record-breaking, but a good reminder that this part of Ontario rarely lets go of winter easily.
Spring Returns with a Vengeance
Thursday looks like a gem—sunny skies and a high of 20°C, with a mild low of 9°C that feels almost tropical by local standards. Friday continues the warm trend with a high of 23°C, although a 40 percent chance of showers could interrupt those patio plans. Friday night sees cloudy periods and a comfortable low of 4°C.
What to Wear?
Layering is your best friend in Sioux Lookout this week. Start light for the warm daytime highs, but keep a windbreaker and gloves handy for the evenings. Don’t stash away your winter gear just yet—those late-night flurries mean anything is possible.
Sioux Lookout Weather Trivia
Fun fact: the warmest May 6 on record in Sioux Lookout hit 26.7°C in 1998, while the coldest plunged to -6.8°C in 1964. That kind of volatility makes this region’s spring weather one of Canada’s most unpredictable—and most talked about!
