Red Flag Warning

* AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell, Fire Weather Zone 494 Henry Mountains and Fire Weather Zone 498 Grand Staircase.

* WINDS...Southwest 20 to 30 mph with gusts as high as 45 mph this afternoon and evening. Winds will diminish after sunset, but may remain elevated in zone 489 through midnight.

* RELATIVE HUMIDITY...Falling into the 7 to 12 percent range this afternoon.

* IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly.