A Calm Morning in Fort Frances Turns into a Thundery Tale by Late Day
June 18, 2025 – Forecast for Fort Frances, Atikokan, Red Gut FN, and Seine River
FORT FRANCES – WEATHER UPDATE – It’s a cool and quiet start to the day in Fort Frances, Atikokan, Red Gut First Nation, and Seine River, with temperatures sitting at 7°C this early Wednesday morning. But don’t let the calm fool you—the skies may soon swap their morning modesty for an afternoon drama of showers and thunder.
Conditions are currently not observed, but the temperature is measured at 7.3°C with a dew point of 6.8°C, meaning the humidity sits at a sticky 96%. Winds are calm, giving the region a peaceful pause before what could be a rumbly afternoon. Barometric pressure is 101.0 kPa and falling, another sign that today’s fair weather might not last long.
Today: Sunny Breaks Early, Showers and Thunder Later
Expect a mix of sun and cloud this morning—enough for a coffee on the deck if you’re quick. But by this afternoon, there’s a 60% chance of showers with the risk of a thunderstorm as temperatures rise to a warm 27°C, with a Humidex of 30. The UV index hits 7, which is considered high, so apply sunscreen if you’re out during sun breaks.
Tonight: Wet and Rumbly
Tonight’s skies will continue to be dramatic, with showers expected and a risk of thunderstorms this evening. Pack up those lawn chairs early, because the moisture is sticking around. The low will settle at 13°C overnight.
Thursday: Storms May Stick Around for Breakfast
On Thursday, June 19, cloud cover lingers, and so do the stormy vibes, with a 40% chance of showers in the morning and again a risk of thunderstorms. Temperatures will climb to a high of 25°C, with a Humidex of 28, and the UV index will dip to 3, giving your skin a small breather under moderate levels of sun.
Weekend Outlook: Clouds with Hints of Sunshine
Friday stays cloudy with a 40% chance of showers and a high of 24°C. Into the weekend, Saturday offers a break in the clouds with a mix of sun and cloud and a warm high of 28°C—perfect BBQ weather if the skies cooperate. Overnight Saturday, the forecast leans back into cloud cover with a low of 18°C.
Wardrobe Forecast
Dress in layers—you’ll want something to shed by midday, and something waterproof for the evening. Footwear with grip is smart, especially with wet conditions expected. If you’re planning to be out early, a light jacket will come in handy.
Regional Weather Trivia
Did you know? Fort Frances holds the record for one of Ontario’s earliest heat waves. In June 1995, the region reached an unseasonably scorching 37.4°C, proving just how fast temperatures can flip in northwestern Ontario.
