* AFFECTED AREA...Fire Weather Zone 489 San Rafael Swell, Fire Weather Zone 494 Henry Mountains and Fire Weather Zone 498 Grand Staircase.
* WINDS...Southwest 25 to 35 mph with gusts up to 50 mph.
* RELATIVE HUMIDITY...As low as 8 percent Saturday afternoon and Sunday afternoon with poor overnight recoveries.
* IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly.