Thunder Bay Weather: Special Weather Advisory with Significant Rainfall Expected

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Rainfall Warning

Heavy Rainfall and Thunderstorms to Impact Thunder Bay

Current Conditions and Advisory (as of 6:00 AM EDT, Friday, June 28, 2024)

Thunder Bay is currently cloudy with a temperature of 12°C, observed at Thunder Bay Airport. The humidity is at 88%, with a dew point of 10.5°C. Winds are coming from the east at 11 km/h, and visibility is good at 16 km. The barometric pressure is 100.9 kPa. A Special Weather Advisory is in effect, warning of significant rainfall throughout the day.

Special Weather Advisory Details

Heavy rain, amounting to 30 to 45 mm, is expected from this morning through tonight, with locally higher amounts possible. The rain will move into northwestern Ontario this morning and reach areas north of Lake Superior later in the morning. The rain will taper to showers from west to east tonight. Heavy downpours may cause flash floods and water pooling on roads, and there is a risk of washouts near rivers, creeks, and culverts. For flood information, consult your local Conservation Authority or the Ontario Ministry of Natural Resources and Forestry office.

Weather Forecast

Friday, June 28, 2024

Heavy rain will begin this morning, with local amounts between 30 to 40 mm. There is a risk of thunderstorms late this afternoon. Winds will shift to southeast at 20 km/h this afternoon, with a high temperature of 16°C. The UV index will be moderate at 3.

Tonight’s Weather

Showers will continue into the evening with a risk of thunderstorms. Fog patches are expected to develop after midnight. Local rainfall amounts will range from 5 to 10 mm. The temperature will drop to a low of 10°C.

Weekend Weather Outlook

Saturday, June 29, 2024

Saturday will see a few showers ending late in the afternoon, then turning cloudy. Morning fog patches will dissipate early. Winds will be from the north at 20 km/h, gusting to 40 km/h. The high temperature will be 16°C, with a moderate UV index of 3. The night will remain cloudy with a 30% chance of showers and a low of 7°C.

Sunday, June 30, 2024

Sunday promises sunny skies with a high of 22°C, perfect for outdoor activities. The night will be clear with a low of 7°C.

Safety and Wardrobe Suggestions

Given the significant rainfall and potential for thunderstorms, it’s essential to stay indoors if possible. If you need to go out, waterproof clothing and sturdy boots are necessary. Be cautious of potential flash floods and avoid driving through flooded areas. For the weekend, lighter clothing and sunglasses will be suitable for the sunny and warmer conditions on Sunday, but keep a jacket handy for the cooler evenings.

Thunder Bay Weather Trivia

Did you know? Thunder Bay is known for its dramatic weather changes due to its location near Lake Superior. The lake’s influence can cause rapid shifts from sunny to stormy weather, making it a fascinating place for weather enthusiasts.

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