Severe Expected Likely Red Flag Warning Red Flag Warning issued June 10 at 10:07AM MDT until June 10 at 10:00PM MDT by NWS Salt Lake City UT Jun 10, 10:07 AM → Jun 10, 10:00 PM The National Weather Service in Salt Lake City has issued a RedFlag Warning for wind and low relative humidity, which is ineffect until 10 PM MDT this evening.* AFFECTED AREA...Fire Weather Zone 478 Salt Lake Desert.* WINDS...Northwest 20 to 30 mph with gusts up to 40 mph,strongest late this afternoon into the early evening.* RELATIVE HUMIDITY...As low as 10 percent. IMPACTS: Critical fire weather conditions are expected. Anynew fire starts or existing fires may spread rapidly. + Read More A Red Flag Warning means that critical fire weather conditions are either occurring now...or are imminent. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. Updated: Jun 10, 2:33 PM Source: NWS Alert