Sioux Lookout, ON Current Weather

First Canadian report of oak wilt disease detected

Nervous drivers halt 401 during storm causing dangerous jam

Forecasters watching a dozen tropical features around the world

Video shows a type of tsunami happening on the Great Lakes

It is August, but leaves may be covering your yard already. Here's why

Photographer captures elusive red sprite over Puerto Rico

300+ mm: Tropical Storm Moke threatens flooding rains in Hawaii

Canada's severe weather warnings are getting an upgrade

Tips for making your home a clean air refuge during wildfire season

Brain freeze: The science behind this frequent summer pain

From parmesan to parme’gone’: Climate change is putting cheese in danger

Five days at sea in a cooler, lost fishermen finally rescued

What is a lunar eclipse, and why don't we see one every month?

Understanding hail, Canada's most destructive weather phenomena

Scientists use thunderquakes to X‑ray Earth beneath cities

Hidden Toxins: These common flowers could make you sick

Two rare tornadoes struck New York City on Thursday

We head to the dinosaur capital of the world! (Hint: It's in Canada)

October snow? See what a strong El Niño could mean this fall

This gardening mistake led to terrible poison ivy blisters

Dramatic rescue after teen gets trapped in storm drain by rushing rainwater

SpaceX rocket leaves crater on the moon's surface

Trouble may lurk beyond hurricane season’s very quiet start

Air pollution could be causing more frequent lightning strikes

Next week's Full Moon will produce a 'nearly-total' lunar eclipse in the sky

This B.C. evacuee proves home is where your goats are

Rare hazard: This town saw an earthquake during a tornado warning

Good Beetles or Bad Beetles? Canada's insect invasion

Scud clouds are scary tornado lookalikes – how to tell them apart

A giant toxic plant that can burn your skin is invading Canada’s riverbanks