Millions of Americans across eight Western states are at risk of extreme fire activity on Wednesday as National Weather ...

The temperatures needed to issue this warning depend on the region. In the Northern Plains, extreme cold warnings are issued when temperatures or wind chill levels hit 40 degrees below zero or colder.

OMAHA, Neb. — Extreme cold warning remains in effect Tuesday morning as wind chill values drop 20 to 30 below zero. Meteorologist Sean Everson has the latest forecast from Omaha's weather leader.

Extreme Cold Watches and Warnings will be issued when the forecast calls for -30° wind chills. The Cold Weather Advisory will be issued when wind chill values of -20° are expected.

Greece has been forced to issue a rare warning for UK tourists as a European heatwave continues, with temperatures expected ...

SO IN THE PAST WE’VE HAD WIND CHILL WATCHES AND WARNINGS OR WIND CHILL ADVISORIES. NOW WHAT WE’RE GOING TO HAVE IS EITHER COLD WEATHER ADVISORIES OR EXTREME COLD WATCHES OR WARNINGS.

Extreme Wind Warning - Generally issued when there are sustained thunderstorm winds of 31–39 miles per hour and/or gusts of 46–57 miles per hour over land.