Thunder Bay Weather Update – 9:00 PM EDT Sunday, October 5, 2025 – Weather Advisory Continued

4620
Wind Warning

⚠️ Strong Wind Threat Continues — Gusts Nearing 70 km/h with Thunderstorm Risk Still in Play

Thunder Bay remains under a Special Weather Statement this evening, with strong southwest winds continuing to impact the area. Gusts up to 70 km/h have already been recorded at the Thunder Bay Airport, with sustained winds near 37 km/h.

The temperature remains unseasonably warm for this time of night at 21°C, with a humidex of 25 — adding an unusual summerlike feel for early October.

Thunderstorms are still possible, and any that develop could produce localized wind gusts exceeding 90 km/h, leading to power outages or tree damage.


🌬️ Wind Highlights

  • Current Gusts: 61 km/h from the southwest

  • Maximum Gust Potential: 70–90 km/h, especially in thunderstorms

  • Expected Trend: Winds will shift northwest and begin easing late tonight


🌩️ Thunderstorm Outlook

  • 40% chance of showers and thunderstorms continues this evening

  • Radar shows isolated storm cells possible along and ahead of the cold front

  • Watch for sudden wind shifts and brief downpours in storm zones


Current Conditions (as of 8:55 PM EDT)

  • Temperature: 21.4°C

  • Dew Point: 14.2°C

  • Humidity: 64%

  • Wind: SW 37 km/h, gusting to 61 km/h

  • Pressure: 100.4 kPa

  • Visibility: 16 km

  • Condition: Clear

  • Humidex: 25


Tonight’s Forecast

  • Mainly cloudy, 40% chance of showers or a thunderstorm early this evening

  • Winds southwest 40 km/h gusting to 70, shifting to northwest 20 km/h gusting to 40 before morning

  • Low: 7°C


Monday, October 6

  • A mix of sun and cloud

  • Winds northwest 20 km/h, gusting to 40, becoming light late morning

  • High: 16°C

  • UV Index: 4 (moderate)

Monday Night:

  • Clearing, light winds

  • Low: +4°C


Tuesday, October 7

  • A mix of sun and cloud, with 40% chance of showers

  • High: 12°C

Tuesday Night:

  • Clear skies

  • Low: –5°C
    ❄️ Frost likely — first hard freeze of the season expected


⚠️ Safety Tips Tonight

  • Secure outdoor items still exposed to strong gusts

  • Avoid walking or parking under trees — limb breakage risk remains

  • Watch for brief power outages or flickering in exposed neighbourhoods

  • If thunder roars, go indoors — lightning risk continues into late evening


Weather Snapshot

Condition Value
Wind Gusts Up to 70 km/h
Thunderstorm Risk Through evening
Tonight’s Low 7°C
Monday’s High 16°C
Tuesday Night –5°C (Frost risk)

Stay alert this evening as the strong winds and storm risk persist. Cooler, calmer weather returns tomorrow.
— NetNewsLedger Weather Desk

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