Thunder Bay – Weather Desk – Geraldton is starting Wednesday under a deep Arctic chill, with clear breaks in the clouds but wind chills in the -30s. Through the day, cloud increases and flurries become more likely near noon, then periods of light snow arrive tonight. The cold remains the biggest headline, with a continued risk of frostbite.

Wednesday’s Weather Overview

Current Conditions (Geraldton Airport — 5:00 AM EST)

• Temperature: -23.7°C (Weather Focus: -24°C)

• Condition: Partly cloudy

• Wind: SW 8 km/h

• Wind chill: -31

• Humidity: 78%

• Pressure: 101.3 kPa

• Visibility: 16 km

Even with lighter winds, that’s an “instant cold” morning—skin exposed for too long can get into trouble fast.

Extended Weather Forecast

Expected Conditions (Next Three Days)

Today (Wed, Jan 21)

• A mix of sun and cloud

• Flurries: 30% early, increasing to 70% near noon

• Wind up to 15 km/h

• High: -16°C

• Wind chill -32 this morning, about -20 this afternoon

• Risk of frostbite

Tonight

• Periods of light snow

• Wind up to 15 km/h

• Low: -23°C

• Wind chill -30 overnight

• Risk of frostbite

Thursday (Jan 22)

• Mix of sun and cloud with 60% chance of light snow

• Wind up to 15 km/h

• High: -20°C

• Wind chill -34 morning, -27 afternoon

• Thursday night: Cloudy periods, 40% chance of flurries, low -33°C

Friday (Jan 23)

• A mix of sun and cloud

• High: -24°C

• Friday night: Cloudy periods, low -33°C

Wardrobe Recommendations

• This morning: Full winter gear. Parka, insulated mitts, toque, and a neck warmer/face covering—wind chill near -31 to -32.

• Tonight into Thursday: Add a wind-resistant outer layer and warm boots. Light snow can create slick spots on untreated surfaces.

• If you’re outdoors for work/school: Take warming breaks. Frostbite risk climbs quickly when wind chills are in the -30s.

Weather Trivia

On very cold days, snow can sound “squeaky” underfoot. That’s because colder temperatures change how snow crystals interact—one of those classic Northern Ontario winter signs that it’s really cold.

Summary

Geraldton–Greenstone weather forecast for January 21, 2026: Very cold start near -24°C with wind chills in the -30s and frostbite risk. Flurries increase today, followed by periods of light snow tonight. Continued light snow chances Thursday and bitter cold through Friday.