At least 9 million people in the nation's upper Midwest region are under red flag warnings on Monday, including residents of Minnesota, where a wildfire was already burning out of control in the largest national forest east of the Mississippi River.

The scope of the alerts underscores a severe multi-state wind event affecting millions of people and thousands of miles of roadways. Strong gusts can lead to visibility hazards from blowing dust, downed power lines and treacherous driving conditions. These kinds of weather events are especially dangerous for large-profile vehicles.

June 7 (UPI) --Tens of millions of Americans were under heat warnings early Friday as record temperatures scorched the Southwest a day prior. The National Weather Service early Friday said some 13 ...

Millions of people were under air-quality alerts Monday as smoke from Canadian wildfires drifted into the U.S. again, and several states were under an excessive heat warning.

(ALBUQUERQUE, N.M.) — More than 6 million people in multiple states across the Southwest and South Plains are under red flag warnings Thursday as strong winds and warm temperatures are forecast ...