Extreme heat is impacting states across the country. See maps of high temperature forecasts and heat index levels.

Several weather alerts have been issued across northwestern Ontario this morning, with significant rainfall and severe ...

More than 150 million Americans are under the highest-level extreme heat alerts during a wave of above-average temperatures.

Sepat was a tropical storm in the North Pacific Ocean late Monday Japan time, the Joint Typhoon Warning Center said in its latest advisory. The tropical storm had sustained wind speeds of 46 miles per ...

A powerful derecho brought tornadoes and 100-plus-mph wind gusts across North Dakota and western Minnesota from Friday night into Saturday morning, leaving several dead and a trail of damage and power ...

Thousands are without power in Wisconsin Saturday afternoon due to strong wind gusts, according to We Energies. This comes at ...

Consumers Energy said 200 crews were mobilized ahead of the weekend in case of outages and they're actively working to get ...

Beltrami County emergency manager Christopher Muller says just after midnight, the county was hit with torrential rain, which caused flash flooding in downtown Bemidji.

A heat dome will spread across the country this week into the next week, triggering severe thunderstorms and triple-digit ...

Here's what we know about the heat wave expected to scorch North Carolina in the next several days, plus state historic high temperatures and more.

Severe thunderstorms packing high winds are expected in the East through tonight in a final round of this latest string of ...

Storms passing through Indiana have knocked out power to 100K people and spawned at least one tornado warning.