Fort Frances Weather Advisory: Rainfall and Thunderstorm Alerts

Rainfall Warning

Fort Frances Weather Update

Current Weather Conditions

At 5:00 AM CDT on Tuesday, 18 June 2024, Fort Frances reported a temperature of 16.1°C with a dew point of 14.0°C and humidity at 87%. Winds are from the southeast at 13 km/h, gusting up to 42 km/h. The barometric pressure is recorded at 100.0 kPa and falling.

Rainfall Advisory Details

A Rainfall Advisory is in effect for Fort Frances with the potential for significant rainfall throughout today. The region could experience 40 to 80 mm of rain, with locally higher amounts possible in areas affected by multiple thunderstorms or prolonged rainfall.

Severe Thunderstorm Watch

Conditions are favorable for the development of severe thunderstorms capable of producing strong wind gusts up to 90 km/h, large hail, and locally heavy rainfall. The thunderstorms are expected to move from northern Minnesota into northwestern Ontario early this morning. Severe thunderstorm watches indicate that conditions are right for the formation of thunderstorms that could produce damaging winds, large hail, and torrential rainfall.

Weather Forecast for Today

Showers at times heavy, accompanied by thunderstorms, are expected today with local rainfall amounts up to 40 mm. The high temperature will reach 21°C, with a humidex value of 29, and a moderate UV index of 4.

Tonight’s Weather

Showers will continue until near midnight, followed by a 60 percent chance of additional showers or drizzle. There is a risk of thunderstorms this evening. The low temperature will be 14°C.

Tomorrow’s Forecast

On Wednesday, 19 June, the weather will be cloudy with a 40 percent chance of showers or drizzle early in the morning. Winds will shift to the northwest at 20 km/h late in the afternoon. The high temperature will be 20°C, with a very high UV index of 8.

Looking Ahead

  • Wednesday Night: Clearing skies with a low of 12°C.
  • Thursday, 20 June: Sunny with a high of 23°C, followed by cloudy periods at night and a low of 13°C.

Historical Weather Data

  • Historic High for 18 June: 31°C
  • Historic Low for 18 June: 4°C

Safety and Preparedness Tips

The rainfall and thunderstorms can lead to hazardous conditions, including flash floods, water pooling on roads, and localized flooding in low-lying areas. Outdoor activities may be unsafe due to heavy rain, hail, strong winds, and lightning. For information on flooding, consult your local Conservation Authority or the Ontario Ministry of Natural Resources and Forestry. Visit for the latest details.

Emergency Management Ontario advises taking cover immediately if threatening weather approaches. Remember, when thunder roars, go indoors!

Wardrobe Suggestions

  • Today: Wear waterproof clothing and carry an umbrella. Light, breathable layers are recommended under your rain gear due to the high humidex.
  • Tonight: A light jacket or sweater is advisable as temperatures drop.
  • Tomorrow: Comfortable, layered clothing to adjust to changing temperatures throughout the day.

Intriguing Weather Trivia

Did you know? Fort Frances once experienced a record-breaking rainfall of 89.4 mm in a single day on June 18, 1968. This serves as a reminder of the region’s potential for significant rainfall events, highlighting the importance of staying prepared and informed.

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