A Tornado Watch is in effect for the Red Lake and Woodland Caribou Park area according to Environment Canada.
The Tornado Watch also includes Kenora and Fort Frances.
Environment Canada says a Tornado Watch is issued when atmospheric conditions are favourable for the development of thunderstorms that could produce tornadoes.
In the event of a tornado or if a Tornado Warning is issued, Environment Canada says to go indoors to a room on the lowest floor, away from outside walls and windows, such as a basement, bathroom, stairwell or interior closet.
They also say to leave mobile homes, vehicles, tents, trailers and other temporary or free-standing shelter, and move to a strong building if you can. As a last resort, lie in a low spot and protect your head from flying debris.
At the same time, Dryden, Sioux Lookout, Ignace and other areas are under a Severe Thunderstorm Watch that could produce 100 kph winds, damaging hail and a risk of Tornados.
