Sioux Lookout – WEATHER – Sioux Lookout and the Eastern Lac Seul region are starting New Year’s Day under a Yellow Cold Warning, with very cold wind chills near -40 creating an elevated risk of frostbite and hypothermia—especially early this morning. Even as skies turn sunny, gusty west winds will keep conditions dangerous for anyone spending time outdoors.

Today’s Weather Overview

Current Conditions (Sioux Lookout Airport)

Early this morning, Sioux Lookout is sitting near -24°C with mostly cloudy skies and a wind chill around -33. Winds are light to moderate out of the west-northwest, and visibility is good.

Yellow Warning: Cold

• What: Wind chill values near -40

• When: Early this morning

• Impact: Frostbite can develop within minutes on exposed skin, especially with wind chill.

Forecast

Today (Thu, Jan 1)

• Sunny

• Wind: West 30 km/h gusting to 50

• High: -19°C

• Wind chill: near -40 this morning, improving to around -29 this afternoon

• Risk: Frostbite remains a concern, especially during the morning.

Tonight

• Clear

• Wind: West 20 km/h gusting to 40

• Low: -22°C

• Wind chill: near -33

• Frostbite risk will continue.

Friday, Jan 2

• A mix of sun and cloud (forecast trend continues cold)

• High: around -17°C

• Continued morning wind chill risk.

Wardrobe Recommendations

• This morning: Full coverage is key—thermal base layer, insulated mid-layer, windproof parka, snow pants if outside for long, thick mitts, toque, and a face covering/balaclava to protect cheeks and nose.

• Footwear: Warm socks and insulated boots (avoid tight boots—tight = colder toes).

• Time outdoors: Keep it short, and take warm-up breaks indoors.

Weather Trivia

Wind chill isn’t the actual temperature—it’s how quickly wind pulls heat from your body. That’s why a “sunny” day can still be dangerous when gusts are strong and wind chills hover near -40.

Weather Summary

Sioux Lookout weather for New Year’s Day 2026: Yellow Cold Warning with wind chills near -40 this morning. Sunny but bitter with west winds gusting to 50 km/h, high near -19°C, and continued frostbite risk tonight.