The National Weather Service in Salt Lake City has issued a Red Flag Warning for wind and low relative humidity, which is in effect from noon Friday to midnight MDT Saturday night.
* AFFECTED AREA...Fire Weather Zone 479 Wasatch Mountains.
* WINDS...Southwest 20 to 30 mph with gusts up to 45 mph. Winds may temporarily turn northwesterly and lighter on Friday night behind an initial cold front before returning to strong out of the southwest on Saturday.
* RELATIVE HUMIDITY...As low as 7 percent with little overnight recovery Friday night.
* IMPACTS...Critical fire weather conditions are expected. Any new fire starts or existing fires may spread rapidly.