In the late 19th and early 20th centuries, signal flags were used to alert U.S. citizens to weather conditions. Postcard of the U.S. Weather Bureau Building at Charles City, Iowa. c. 1900.

"A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior," the ...

The National Weather Service has issued a red flag warning for Coconino County starting at 1:09 p.m. Jan. 24. The warning ...

South Carolina's wildfire season peaks between late winter and spring. This season could be an active one. Weather can make ...

Dry, gusty conditions in Northeastern Illinois led the National Weather Service to issue a fire weather watch for the entire ...

The National Weather Service has issued red flag warnings for Pima and Santa Cruz counties through 7 p.m. Saturday.

President Donald Trump is set to visit Southern California on Friday amid the raging wildfires. Here's a look at all the ...

The National Weather Service issued a Red Flag Warning for Saturday in Flagstaff and swaths of northern and eastern Arizona, ...

Governor Laura Kelly announced flags would be flown half-staff in honor of those who died in the Wichita flight to Washington ...

The National Weather Service (NWS) has issued a red flag warning until 6 p.m. Tuesday for the immediate Yankton area due to ...

The city of Greensboro will activate white flag warming centers in response to the anticipated overnight low temperatures.

The National Weather Service has extended a Red Flag Warning until Friday morning for San Diego County's inland valleys and ...