* AFFECTED AREA...Yukon Flats.
* TIMING...From noon today to 11 PM AKDT this evening.
* THUNDERSTORM COVERAGE INDEX...Scattered
* WINDS...South 5 to 10 mph. Gusts to 15 mph. Outflow winds of 35 to as high as 50 mph.
* HUMIDITY...As low as 25 to 30 percent.
* TEMPERATURES...Highs in the mid 80s. Lows in the lower 50s.
* IMPACTS...Critical fire weather conditions are expected due to thunderstorms. Thunderstorms will come with frequent lightning and outflow boundaries. Any lightning can cause new ignitions since the fuels are dry and burnable.