Fire Weather Watch

* AFFECTED AREA...Fire Weather Zone 478 Salt Lake Desert.

* THUNDERSTORMS...Widely scattered dry thunderstorms are possible across northwest Utah Saturday afternoon and evening.

* OUTFLOW WINDS...Gusty and erratic outflow winds in excess of 40 mph are possible near thunderstorms and areas of virga. A few gusts may approach 60 mph.

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